JPH112882A - Silver halide photographic sensitive material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the silver halide photographic sensitive material for forming a printing plate capable of forming an image high in precision by incorporating at least one kind of hydrazine derivative or at least one kind of specified quaternary oniumin compound in one layer. SOLUTION: The silver halide photographic sensitive material is provided on a support composed essentially of a hydrogenated polyethylene terephthalate with a layer containing at least one of the hydrazine derivatives represented by formula I or a layer containing at least one of the quaternary onium compounds represented by formula II, and in formulae I and II, A0 is an aliphatic or aromatic or heterocyclic group each optionally substituted; B0 is a blocking group; each of A1 and A2 is an H atom or one of them is an H atom and the other is an acyl or sulfonyl or oxalyl group; Q is an N atom or adjacent atom; each of R1 -R4 is an H atom or a substituent; X<-> is an anion; and each of R1 -R4 may combine with each other to form a ring.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a silver halide photographic material, and more particularly, to a silver halide photographic material suitable for high definition printing.

[0002]

2. Description of the Related Art In a silver halide photographic light-sensitive material (hereinafter, also referred to as a "light-sensitive material") for use in printing plate making, a photographic technique capable of reproducing an image having a super-high contrast in terms of photographic characteristics because a dot image is usually used. And, for example, US Pat.
Photosensitive materials containing a hydrazine derivative as disclosed in JP-A-69,929 and the like, and photosensitive materials using a compound such as a pyridinium salt described in JP-A-6-102633 are known.

[0003] These photosensitive materials are subjected to image exposure and development processing, and then exposed to a return film or a printing plate such as a PS plate, which is exposed by an ultraviolet printer using the original as an original. Therefore, the support of the photosensitive material for printing plate making is required to absorb ultraviolet rays and be transparent to ultraviolet rays, and polyethylene terephthalate (PET) is usually used to satisfy such optical characteristics.

In recent years, fine images such as high-definition printing and the printing method of the FM screen method have been often used, and a conventional original for a return film or an original for PS plate exposure obtained from a photosensitive material using a conventional PET support has been used. , Curling resistance during development processing,
Due to the demand for rigidity and dimensional stability as a support, the thickness of PET is limited, so that the intended resolution cannot be obtained due to light scattering and reflection in the support during exposure. There have been cases where high definition is lacking.

[0005] Polyethylene naphthalate (PEN) is known as a support that is advantageous for thinning. However, PEN has ultraviolet absorption due to its molecular structure,
It has been difficult to adopt it as a support for printing plate making.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a silver halide photographic material suitable for printing plate making suitable for obtaining a high-definition printed image. To provide.

[0007]

The object of the present invention is to provide a layer comprising at least one hydrazine derivative represented by the above general formula [H] on a support substantially consisting of hydrogenated polyethylene naphthalate, Alternatively, it is achieved by a silver halide photographic material having a layer containing at least one quaternary onium compound represented by the general formula (P).

That is, the inventor of the present invention has found that the use of a support substantially consisting of hydrogenated polyethylene naphthalate makes it possible to achieve both thin film formation and optical characteristics.

Hereinafter, the present invention will be described in detail.

The hydrogenated polyethylene naphthalate referred to in the present invention is a polymer whose constituent units are substantially composed of ethylene naphthalate units, and whose naphthalene portion is reduced with hydrogen. It also includes hydrogenated polyethylene naphthalate, modified by a small amount, for example up to 20 mol%, preferably up to 10 mol%, more preferably up to 5 mol% of a third component. Hydrogenated polyethylene naphthalate is generally a hydrogenated naphthalenedicarboxylic acid or a derivative thereof, for example, dihydronaphthalene-2,6-dicarboxylic acid, dihydronaphthalene-1,4-dicarboxylic acid,
Dihydronaphthalene-1,5-dicarboxylic acid, tetrahydronaphthalene-2,6-dicarboxylic acid, tetrahydronaphthalene-1,4-dicarboxylic acid, tetrahydronaphthalene-1,5-dicarboxylic acid, etc. or a methyl ester thereof and ethylene glycol Is condensed in the presence of a catalyst and under suitable reaction conditions.
In that case, as the third component, for example, terephthalic acid, naphthalene-2,6-dicarboxylic acid, adipic acid, oxalic acid, isophthalic acid, diphenyl ether dicarboxylic acid, or the like may be added. Specific examples of hydrogenated polyethylene naphthalate include polyethylene-2,6-tetrahydronaphthalate (hereinafter abbreviated as PETN) and polyethylene-2,6-octahydronaphthalate (hereinafter abbreviated as PEON). Can be

Thus, the thickness of the support is 50 μm to 15 μm.
It can be made as thin as about 0 μm, and more preferably 60 μm to 100 μm.

The light-sensitive material of the present invention forms a super-high contrast halftone image and has at least one selected from hydrazine derivatives and quaternary onium compounds.

The hydrazine derivative used in the silver halide photographic light-sensitive material of the present invention includes a compound represented by the above general formula [H].

In the general formula [H], the aliphatic group represented by A ₀ preferably has 1 to 30 carbon atoms, and particularly preferably a linear, branched or cyclic alkyl group having 1 to 20 carbon atoms. For example, methyl group, ethyl group, t-butyl group, octyl group, cyclohexyl group, benzyl group,
These may be further substituted with a suitable substituent (for example, aryl group, alkoxy group, aryloxy group, alkylthio group, arylthio group, sulfoxy group, sulfonamide group, sulfamoyl group, acylamino group, ureido group, etc.).

In the general formula [H], the aromatic group represented by A ₀ is preferably a monocyclic or condensed ring aryl group, such as a benzene ring or a naphthalene ring, and a heterocyclic group represented by A _0. As the group, a heterocyclic ring containing at least one heteroatom selected from nitrogen, sulfur, and oxygen atom in a single ring or a condensed ring is preferable, for example, a pyrrolidine ring, an imidazole ring, a tetrahydrofuran ring, a morpholine ring, a pyridine ring, a pyrimidine ring, A quinoline ring, a thiazole ring, a benzothiazole ring, a thiophene ring, and a furan ring; particularly preferred as A ₀ are an aryl group and a heterocyclic group; and the aromatic and heterocyclic groups of A ₀ have a substituent. And particularly preferred groups include pKa7 to
Specific examples of the substituent having an acidic group of 11 include a sulfonamide group, a hydroxyl group, and a mercapto group.

In the general formula [H], A ₀ preferably contains at least one diffusion-resistant group or a silver halide-adsorbing group. As the diffusion-resistant group, a ballast group commonly used in immobile photographic additives such as couplers is preferable. As the ballast group, a photographically inactive alkyl group having 8 or more carbon atoms, alkenyl group, alkynyl group, alkoxy group Group, phenyl group, phenoxy group, alkylphenoxy group and the like.

In the general formula [H], examples of the silver halide adsorption promoting group include thiourea, thiourethane group, mercapto group, thioether group, thione group, heterocyclic group, thioamide heterocyclic group, mercapto heterocyclic group, 64-9
No. 0439.

In the general formula [H], B ₀ represents a blocking group, preferably a -G ₀ -D ₀ group, and G ₀ represents-
CO- group, -COCO- group, -CS- group, -C (= NG
₁ D ₁₎ - group, -SO- group, -SO ₂ - group or -P (O)
A preferred G ₀ representing a (G ₁ D ₁ ) — group is —CO—
Group, particularly preferably at -COCO- group -COCO- group and the like, G ₁ is a single bond, -O- group, -S- group, or -N (D ₁₎ - represents a group, D ₁ is an aliphatic Group, aromatic group,
Represents a heterocyclic group or a hydrogen atom, and when a plurality of D ₁ are present in the molecule, they may be the same or different.
D ₀ represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an amino group, an alkoxy group, an aryloxy group, an alkylthio group, or an arylthio group, and preferred D ₀ is a hydrogen atom, an alkyl group, an alkoxy group, Examples include an amino group, and more preferably an alkyl group and an amino group substituted with fluorine. A ₁ and A ₂ are both hydrogen atoms, or one is a hydrogen atom and the other is an acyl group (acetyl group, trifluoroacetyl group, benzoyl group, etc.), a sulfonyl group (methanesulfonyl group, toluenesulfonyl group, etc.), or an oxalyl group (Such as an ethoxalyl group).

A more preferred embodiment of the compound represented by the general formula [H] is a compound represented by the general formula [H-2].

Formula [H-2] R ₀ -SO ₂ NH-Ar-NHNH-G ₀ -D _{0 In the} formula [H-2], R ₀ is a substituted or unsubstituted alkyl group, aryl group, Represents a ring group, Ar represents a substituted or unsubstituted divalent arylene group, a heterocyclic group,
G ₀ and D ₀ have the same _{meanings as} in the general formula [H].

Next, specific examples of the compound represented by the general formula [H] are shown below, but the present invention is not limited thereto.

[0022]

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[0023]

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[0024]

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[0025]

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[0026]

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The added layer of the hydrazine derivative is a silver halide emulsion layer and / or a hydrophilic colloid layer adjacent to the emulsion layer. The optimum amount of addition is not uniform depending on the particle size of the silver halide grains, the halogen composition, the degree of chemical sensitization, the type of the inhibitor, etc., but is preferably 10 ^-6 mol to 10 ^-1 per mol of silver halide. The molar ratio is preferably about 10 ^-5 mol to 10 ^-2 mol.

The quaternary onium compound used in the present invention is a compound having a quaternary cation group of a nitrogen atom or a phosphorus atom in the molecule, and is preferably a compound represented by the above formula (P).

In the general formula (P), the substituent represented by R _{1 to} R ₄ is an alkyl group (methyl group, ethyl group,
Propyl group, butyl group, hexyl group, cyclohexyl group, etc., alkenyl group (allyl group, butenyl group, etc.), alkynyl group (propargyl group, butynyl group, etc.), aryl group (phenyl group, naphthyl group, etc.), heterocyclic group (Piperidinyl group, piperazinyl group, morpholinyl group, pyridyl group, furyl group, thienyl group, tetrahydrofuryl group, tetrahydrothienyl group, sulfolanyl group, etc.), amino group and the like.

The ring which may be formed by connecting R _{1 to} R ₄ to each other includes a piperidine ring, a morpholine ring, a piperazine ring,
Examples include a quinuclidine ring, a pyridine ring, a pyrrole ring, an imidazole ring, a triazole ring, and a tetrazole ring.

The groups represented by R _{1 to} R ₄ are hydroxyl groups,
It may have a substituent such as an alkoxy group, an aryloxy group, a carboxyl group, a sulfo group, an alkyl group and an aryl group.

As R ₁ , R ₂ , R ₃ and R ₄ , a hydrogen atom and an alkyl group are preferred.

[0033] X ^- include anions represented by the halogen ion, sulfate ion, nitrate ion, acetate ion, and inorganic and organic anions, such as p- toluenesulfonic acid ion.

More preferably, the following general formulas (Pa) and (P
b) or a compound represented by (Pc); and a compound represented by the following general formula [T].

[0035]

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In the formula, A ¹ , A ² , A ³ , A ⁴ and A ⁵ represent a group of non-metallic atoms for completing a nitrogen-containing heterocyclic ring, and may contain an oxygen atom, a nitrogen atom and a sulfur atom. And the benzene ring may be condensed. A ¹ , A ² , A ³ , A ⁴ and A ⁵
May have a substituent and may be the same or different. Examples of the substituent include an alkyl group, an aryl group, an aralkyl group, an alkenyl group, an alkynyl group, a halogen atom, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfo group, a carboxy group, a hydroxyl group, an alkoxy group, and an aryloxy group. Amide group, sulfamoyl group, carbamoyl group, ureido group, amino group, sulfonamide group, sulfonyl group, cyano group, nitro group, mercapto group, alkylthio group and arylthio group. Preferred examples of A ¹ , A ² , A ³ , A ⁴ and A ⁵ include a 5- to 6-membered ring (pyridine,
Imidazole, thiozole, oxazole, pyrazine,
Each ring such as pyrimidine), and a more preferred example is a pyridine ring.

_BP represents a divalent linking group, and m represents 0 or 1
Represents Examples of the divalent linking group include an alkylene group, an arylene group, an alkenylene group, —SO ₂ —, —SO—, and —O
—, —S—, —CO—, and —N (R ⁶ ) — (R ⁶ represents an alkyl group, an aryl group, or a hydrogen atom) alone or in combination. Preferred examples of B _p include an alkylene group and an alkenylene group.

R ¹ , R ² and R ⁵ each have 1 to 20 carbon atoms
Represents an alkyl group. R ¹ and R ² may be the same or different. The alkyl group represents a substituted or unsubstituted alkyl group, and the substituent is the same as the substituents described as the substituents for A ¹ , A ² , A ³ , A ⁴ and A ⁵ .

Preferred examples of R ¹ , R ² and R ⁵ include:
Each is an alkyl group having 4 to 10 carbon atoms. More preferred examples include a substituted or unsubstituted aryl-substituted alkyl group.

[0040] X _p ^- is a counter ion necessary to refer balancing the charge of the whole molecule, expressed as chlorine ion, bromine ion, iodine ion, nitrate ion, sulfate ion, p- toluenesulfonate, the oxalato or the like. n _p represents the number of counter ions required to balance the charge of the whole molecule, and n _p is 0 in the case of an internal salt.

[0041]

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The substituents R ₅ and R ₆ of the phenyl group of the triphenyltetrazolium compound represented by the general formula [T],
R ₇ is preferably a hydrogen atom or a compound having a negative Hammett sigma value (σP) indicating the degree of electron withdrawing property.

The Hammett's sigma value at the phenyl group is described in many literatures, for example, Journal of Medical C.
Chemistry) 20, vol. 304, p. As a group having a particularly preferable negative sigma value, for example, a methyl group (σP = −0.17 or less, and
P value), ethyl group (-0.15), cyclopropyl group (-0.21), n-propyl group (-0.13), is
o-propyl group (-0.15), cyclobutyl group (-
0.15), n-butyl group (-0.16), iso-butyl group (-0.20), n-pentyl group (-0.1
5), cyclohexyl group (-0.22), amino group (-
0.66), acetylamino group (-0.15), hydroxyl group (-0.37), methoxy group (-0.27),
Ethoxy group (-0.24), propoxy group (-0.2
5), butoxy group (-0.32), pentoxy group (-
0.34), etc., each of which has the general formula [T]
Is useful as a substituent of the compound of

N represents 1 or 2, and examples of the anion represented by X _T ^n- include halogen ions such as chloride ion, bromide ion and iodide ion, nitric acid, sulfuric acid, and the like.
Acid radicals of inorganic acids such as perchloric acid, acid radicals of organic acids such as sulfonic acid and carboxylic acid, anionic activators, specifically p-
Lower alkylbenzene sulfonic acid anions such as toluene sulfonic acid anion; higher alkyl benzene sulfonic acid anions such as p-dodecyl benzene sulfonic acid anion; higher alkyl sulfate anions such as lauryl sulfate anion; boric acid anions such as tetraphenyl boron; Dialkyl sulfosuccinate anions such as 2-ethylhexyl sulfosuccinate anion,
Examples thereof include higher fatty acid anions such as cetyl polyethenoxy sulfate anion, and polymers having an acid radical attached to a polymer such as polyacrylate anion.

Hereinafter, specific examples of the quaternary onium compound will be described below, but the invention is not limited thereto.

[0046]

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[0047]

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[0048]

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[0049]

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[0050]

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[0051]

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[0052]

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[0053]

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[0054]

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[0055]

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The above quaternary onium compound can be easily synthesized according to a known method. For example, the above tetrazolium compound can be obtained from Chemical Reviews 55 p. 3
35-483 can be referred to.

The addition amount of these quaternary onium compounds is about 1 × 10 ^-8 to 1 mol, preferably 1 × 10 ^-7 to 1 × 10 ^-1 mol, per mol of silver halide. These can be added to the light-sensitive material at any time from the time of silver halide grain formation to the time of coating.

The quaternary onium compound can be used alone when used alone.
More than one species may be used in combination. It may be added to any of the constituent layers of the light-sensitive material, but preferably at least one of the constituent layers on the side having the silver halide emulsion layer.
Layer and further added to the silver halide emulsion layer and / or the layer adjacent thereto.

The halogen composition of the silver halide emulsion used in the light-sensitive material of the present invention preferably has a silver chloride content of 60 mol% or more. More preferably, a silver chlorobromide containing 60 mol% or more of silver chloride, silver chloroiodobromide containing 60 mol% or more of silver chloride or a silver halide emulsion having a composition of silver chloride is used.

The average grain size of the silver halide is preferably 0.6 μm or less, more preferably 0.5 to 0.05 μm. Here, the particle size means the particle diameter when the particles are spherical or spherical particles. If the particles are cubic, they are converted into spheres, and the diameter of the sphere is defined as the particle size.
For details of the method for determining the average particle size, see C.I. E. FIG. K.
Mees & T. H. By James: The theor
y of the photographic pro
ses, Third Edition, pp. 36-43 (Mcmi, 1966)
Llan, Inc.).

The shape of the silver halide grains is not particularly limited, and may be any of a tabular shape, a spherical shape, a cubic shape, a tetradecahedral shape, a regular octahedral shape, and any other shapes. Further, it is preferable that the particle size distribution is narrower, and in particular, a so-called monodisperse emulsion in which 90%, preferably 95% of the total number of particles falls within a particle size range of ± 40% of the average particle size is preferable.

Among the above tabular grains, tabular grains having a (100) plane having 90 mol% or more of silver chloride as a main plane can be used, and these are disclosed in US Pat. No. 5,264,264.
No. 337, 5,314,798, 5,320,9
No. 58 and the like, and the desired tabular grains can be easily obtained.

The silver halide emulsion preferably contains at least one metal selected from the group VIII transition metals and rhenium. Examples of the Group VIII transition metal include iridium, rhodium, ruthenium, and osmium. Rhodium, ruthenium, and osmium are preferable for promoting high contrast. In order to perform high-speed exposure with a light source such as a laser beam, iridium is preferably used. These transition metals are used in an amount of 10 ^-10 mol to 1 mol per mol of silver halide.
It is preferably added in the range of 0 ^-2 mol, more preferably in the range of 10 ^-8 mol to 10 ^-3 mol. Moreover,
Metal salts such as zinc, lead, thallium, rhenium, palladium, and platinum can also be used during physical ripening and chemical ripening.

The silver halide emulsion is preferably chemically sensitized. Known methods of chemical sensitization include sulfur sensitization, selenium sensitization, tellurium sensitization, reduction sensitization and noble metal sensitization, and any of these methods may be used alone or in combination. In the present invention, it is preferable to sensitize by adding at least one gold compound. The chemical sensitizer can be added at any time during the preparation of the silver halide emulsion, but is preferably added after the formation of silver halide grains and before coating. The addition amount of the chemical sensitizer is preferably in the range of 10 ^-9 mol to 10 ^-3 mol per mol of silver halide. When a gold compound is used, it is preferable to add 0.1 to 1 times mol of the group VIII transition metal salt and the rhenium metal salt.

The silver halide emulsion can be spectrally sensitized to a desired wavelength by using a sensitizing dye. Sensitizing dyes that can be used include cyanine dyes, merocyanine dyes, complex cyanine dyes, complex merocyanine dyes, holopolar cyanine dyes, hemicyanine dyes, styryl dyes, and hemioxonol dyes. These sensitizing dyes may be used alone or in combination, and the combination of sensitizing dyes is often used particularly for supersensitization.

The photosensitive material according to the present invention contains various compounds known as antifoggants or stabilizers for the purpose of preventing fogging during the production process, storage or photographic processing, or stabilizing photographic performance. Can be added.

In the photosensitive emulsion layer and / or the non-photosensitive hydrophilic colloid layer, inorganic or organic hardeners, coating aids, antistatic, improvement of slipperiness, emulsification and dispersion, prevention of adhesion, improvement of photographic properties, etc. Various surfactants may be used for the purpose of.

It is advantageous to use gelatin as the binder or protective colloid of the photographic emulsion, but other hydrophilic colloids can also be used. Photographic emulsions can contain dispersions of water-insoluble or poorly soluble synthetic polymers for the purpose of improving dimensional stability and the like.

The light-sensitive material according to the present invention preferably has at least one conductive layer on a support. Typical methods for forming the conductive layer include a method using a water-soluble conductive polymer and a hydrophobic polymer curing agent, and a method using a metal oxide. For these methods, for example, the method described in JP-A-3-265842 can be used.

When the swelling percentage of the light-sensitive material processed in the present invention is 250% or less, 30% or more, preferably 180% or less, 50% or more, the effects of the present invention can be further exhibited. The swelling percentage here means that the photosensitive material is 3%.
After incubation at 8 ° C. and 50% RH for 3 days, the thickness (d0) of the hydrophilic colloid layer was measured, the photosensitive material was immersed in distilled water at 21 ° C. for 3 minutes, and again the thickness (d0) of the hydrophilic colloid layer was measured. ) Is measured and the ratio of swelling is expressed from the swollen thickness, that is, (d−d0) / d × 100.

For the silver halide emulsion and the backing layer, various chemical sensitizers, color toning agents, hardeners, surfactants, thickeners, plasticizers, sliding agents, development inhibitors, ultraviolet absorbers, irradiation Inhibiting dyes, heavy metals, matting agents and the like can be further contained by various methods. Further, the silver halide emulsion and the backing layer may contain a polymer latex.

In the present invention, the compounds described below are preferably contained in the constituent layers of the silver halide photographic light-sensitive material.

(1) Compound having an acid group Compound described in JP-A-62-237445, page 292 (8), lower left column, line 11 to page 309 (25), lower right column, line 3 (2) Acidic polymer JP-A-6-186659, page (10) [0036]
(3) Sensitizing dye JP-A-5-224330, page (3) [0017] to (17)
(13) Compound described on page [0040] JP-A-6-194777 (page 11) [0042]
Compound described in [0094] to page (22) [0015] to page (2) in JP-A-6-242533
(8) Compound described on page [0034] JP-A-6-337492 (3) page [0012]-
(34) Compound described on page [0056] JP-A-6-337494 (4) page [0013]-
(14) Compound described on page [0039] (4) Supersensitizer JP-A-6-347938 (3) page [0011] to
(16) Compound described on page [0066] (5) Nucleation accelerator JP-A-7-128814, page (8), page [0028] to
(23) Compound described in [0079] (6) Redox compound JP-A-4-245243, pages 235 (7) to 250
Compound described on page (22) The above-mentioned additives and other known additives are described, for example, in RD No. 17643 (December 1978), N
o. No. 18716 (November 1979) and the same No. 30
8119 (December 1989).

The developing agents which can be used in processing the light-sensitive material of the present invention include dihydroxybenzenes, 3-pyrazolidones, aminophenols, pyrogallol, ascorbic acid, 1-aryl-3-pyrazolines, transition metals Complex salts (Ti, V, Cr, Mn, F
e, a complex salt of a transition metal such as Co, Ni, Cu, etc. These may be in any form having a reducing power in order to be used as a developing solution. For example, Ti ³⁺ , V ²⁺ , Cr ²⁺ , Fe ²⁺ In the form of a complex salt such as ethylenediaminetetraacetic acid [EDTA], diethylenetriaminepentaacetic acid [DTP
A] and the like, and phosphoric acids such as hexametapolyphosphoric acid and tetrapolyphosphoric acid, and salts thereof, and the like. And the like can be used alone or in combination. However, a combination of 3-pyrazolidones and dihydroxybenzenes, or a combination of aminophenols and dihydroxybenzenes or a combination of 3-pyrazolidones and ascorbic acid, It is preferable to use a combination of an aminophenol and ascorbic acid, a combination of a 3-pyrazolidone and a transition metal complex, or a combination of an aminophenol and a transition metal complex. The developing agent is preferably used in an amount of 0.01 to 1.4 mol / l.

As a silver sludge inhibitor, JP-B-62-47
No. 02, JP-A-3-51844 and 4-26838
And the compounds described in JP-A Nos. 4-362942, 1-319031, and 7-13303.

As a preservative of the developer, sodium sulfite, potassium sulfite, ammonium sulfite, sodium metabisulfite and the like are used.

The developing solution may further contain an alkali agent if necessary.
pH buffer, dissolution aid, sensitizer, surfactant, defoamer,
Antifoggants, chelating agents, development accelerators, hardeners, defoamers and the like can be added.

As the fixing solution, those having a commonly used composition can be used.

The silver halide photographic light-sensitive material of the present invention is preferably processed using an automatic processor. At this time, processing is performed while replenishing a fixed amount of a developing solution and a fixing solution in proportion to the area of the photosensitive material. The replenishment amount for development and replenishment for fixation is 300 m / m ² in order to reduce the amount of waste liquid.
1 or less, preferably 75 to 200 ml per m ² . In order to achieve such a replenishment amount, it is preferable to use a replenished developer and fixing solution prepared from a solid processing agent. The solid processing agent referred to here is in the form of a tablet, granule or powder, and particularly preferably a tablet or granule. Also, due to the demand for shortening the development time, when processing using an automatic processor, the total processing time (Dr) from the insertion of the leading end of the film to the automatic processor until it comes out of the drying zone.
(y to Dry) is preferably 10 to 60 seconds.

The pH of the developer is 8.5 or more and less than 11.0,
More preferably, it is 9.0 or more and less than 10.7. This p
By processing in the H range, a high-contrast image having a gamma of 10 to 30 is formed.

[0081]

EXAMPLES The present invention will be described below in detail with reference to examples, but embodiments of the present invention are not limited thereto.

Example 1 <Preparation of PETN support according to the present invention> (Synthesis of PETN) Hydration of calcium acetate as transesterification catalyst with 100 parts by weight of dimethyl 2,6-tetrahydronaphthalenedicarboxylate and 56 parts by weight of ethylene glycol The product was added in an amount of 0.1 part by weight, and transesterification was carried out by a conventional method. Thereafter, 0.04 part by weight of antimony trioxide and 0.1 part by weight of trimethyl phosphate were added to the obtained product. Then, the temperature was gradually raised and reduced to 285
Polymerization was conducted at 0.5 ° C and 0.5 mmHg to obtain hydrogenated polyethylene naphthalate (PETN).

(Preparation of PETN Film) Obtained PE
The TN was melt-extruded at 300 ° C. from a T-die into a film and quenched and solidified on a cooling drum to obtain an unstretched film. At this time, the take-up speed of the cooling drum was performed in two stages, and the unstretched film having a thickness of
After preheating at ℃ and longitudinal stretching (3.1 times), transverse stretching at 130 ° C (3.4 times) and heat setting at 250 ° C.
Further, heat treatment was performed at 80 ° C. for 5 seconds. As a result, the support had a flexural modulus of 540 kg / mm ² and a thickness of 100 μm.
Was obtained. The flexural modulus of the comparative PET film was 460 kg / mm ² .

(Preparation of Polyethylene Naphthalate Resin Chip) Dimethyl 2,6-naphthalenedicarboxylate 100
0.1 part by weight of calcium acetate hydrate was added as a transesterification catalyst to 60 parts by weight of ethylene glycol and 60 parts by weight of ethylene glycol, and a transesterification reaction was performed according to a conventional method. To the obtained product, 0.05 parts by weight of antimony trioxide and 0.03 parts by weight of trimethyl phosphate were added. Then
The temperature was gradually raised and the pressure was reduced, and polymerization was performed at 290 ° C. and 0.5 mmHg to obtain a polyethylene naphthalate (PEN) resin having an intrinsic viscosity of 0.60.

(Preparation of PEN film) The above PEN resin was vacuum-dried at 150 ° C. for 8 hours, then melt-extruded at 300 ° C. from a T-die into a layer, adhered to a cooling drum at 50 ° C. while applying static electricity, and cooled and solidified. Then, an unstretched sheet was obtained. This unstretched sheet is rolled with
The film was stretched 3.3 times in the machine direction at 35 ° C. The obtained uniaxially stretched film was stretched in a first stretching zone at 145 ° C. by 50% of a total transverse stretching ratio using a tenter type transverse stretching machine, and further at a second stretching zone at 155 ° C., at a total transverse stretching ratio of 3.3 times. Stretched so that Next, heat treatment was performed at 100 ° C. for 2 seconds, further heat-setting at 200 ° C. in the first heat-setting zone for 5 seconds, and heat-setting at 230 ° C. in the second heat-setting zone for 15 seconds. Next, the film was cooled to room temperature over 60 seconds while relaxing in a transverse direction by 5%, and the film was released from the clip. The film was wound on a 360 mm winding core in a length of 2,000 m to obtain a biaxially stretched film having a thickness of 90 μm.

(Undercoating of Film) After silica was vapor-deposited on both sides of the obtained PETN film and comparative PEN film and PET film, an undercoating layer containing styrene-glycidyl acrylate and fine particles of tin oxide was subjected to an antistatic treatment. did.

<Preparation of Photosensitive Material> (Preparation of Silver Halide Emulsion A) An average thickness of 70 mol% of silver chloride and the balance of silver bromide was 0.05 by a double jet method.
μm, silver chlorobromide core particles having an average diameter of 0.15 μm were prepared. At the time of mixing the core particles, K ₃ RuCl ₆ was added in an amount of 8 × 10 ⁻⁸ mol per mol of silver. The core particles were shelled using a double jet method. At that time, 3 × 10 ⁻⁷ mol of K ₂ IrCl ₆ was added per mol of silver. The obtained emulsion was silver / chloroiodobromide (90 mol% of silver chloride) having a core / shell type monodisperse (coefficient of variation: 10%) having a (100) plane as a main plane having an average thickness of 0.10 μm and an average diameter of 0.25 μm. , 0.2 mol% of silver iodide, the balance being silver bromide). Then, JP-A-2-280139, 287
Desalting was performed using denatured gelatin G-8 (having the amino group in gelatin replaced with phenylcarbamyl) described on page (3).

The EAg after desalting was 190 mV at 50 ° C. 4-hydroxy-6-methyl-
1,3,3a, 7-Tetrazaindene was added in an amount of 1 × 10 ⁻³ mol per mol of silver, potassium bromide and citric acid were added to adjust the pH to 5.6 and the EAg to 123 mV. After adding ^10-5 mol, 3 x 1 of inorganic sulfur was added.
0 ^-6 mol added to up sensitivity exits at temperature 60 ° C. chemically ripened.

After completion of ripening, 4-hydroxy-6-methyl-1,3,3a, 7-tetrazaindene was added in an amount of 2 × 10 ^-3 mol per mol of silver, and 1-phenyl-5-mercaptotetrazole was added in an amount of 3 × 10 3. ^-4 moles and gelatin were added.

(Preparation of Silver Halide Emulsion B) Using a simultaneous mixing method, 60 mol% of silver chloride, 1.5 mol% of silver iodide, and the remainder made of silver bromide have an average thickness of 0.05 μm and an average diameter of 0.1 mol.
15 μm silver chloroiodobromide core grains were prepared. At the time of mixing the core particles, K ₃ Rh (H ₂ O) Br ₅ was added in an amount of 2 × 1 per mole of silver.
^0-8 moles were added. The core particles were shelled using a double jet method. At that time, 3 × 10 ⁻⁷ mol of K ₂ IrCl ₆ was added per mol of silver.

The resulting emulsion was a core / shell type monodisperse (coefficient of variation: 10%) silver chloroiodobromide (90 mol% silver chloride, 0% silver iodobromide) having an average thickness of 0.10 μm and an average diameter of 0.42 μm. 0.3 mol%, the balance being silver bromide). Subsequently, desalting was performed using denatured gelatin G-8 (supra). The EAg after desalting was 180 mV at 50 ° C.

To the obtained emulsion, 4-hydroxy-6-methyl-1,3,3a, 7-tetrazaindene was added at 1 × 10 ^-3 mol per mol of silver, and potassium bromide and citric acid were further added. The pH was adjusted to 5.6 and the EAg to 123 mV, and 2 × 10 ⁻⁵ mol of chloroauric acid was added.
N'-trimethyl-N'-heptafluoroselenourea was added in an amount of 3 × 10 ^-5 mol and chemically ripened at a temperature of 60 ° C. until the maximum sensitivity was obtained.

After aging, 4-hydroxy-6-methyl-
1,3,3a, 7-Tetrazaindene was added in an amount of 2 × 10 ⁻³ mol per mol of silver, 1-phenyl-5-mercaptotetrazole was added in an amount of 3 × 10 ⁻⁴ mol, and gelatin was added.

(Preparation of silver halide photographic light-sensitive material for printing plate-making scanner for He-Ne laser and red semiconductor laser light source) On one undercoat layer of one of the above three supports,
The amount of gelatin in the gelatin undercoat layer of the following formula 1 is 0.5 g
/ M As becomes ^2, amount of silver 1.5 g / m ² of the silver halide emulsion layer 1 having the following formulation 2 thereon, the amount of gelatin is 0.5g
/ M As becomes ^2, further a coating solution having the following formulation 3 As the amount of gelatin is 0.3 g / m ² as an intermediate protective layer thereon, further silver halide emulsion layer of Formulation 4 thereon 2 Further, a coating solution having the following formula 5 was further coated with 0.6 g of gelatin so that the amount of silver was 1.4 g / m ² and the amount of gelatin was 0.4 g / m ^2.
/ M ² . On the other side of the undercoat layer, a backing layer having the following formulation 6 was prepared with a gelatin content of 0.
A hydrophobic polymer layer of the following formula 7 is further formed thereon so as to be 6 g / m ^2, and a backing protective layer of the following formula 8 is further formed thereon so that the gelatin amount becomes 0.4 g / m ^2. A sample was obtained by simultaneous multi-layer coating.

Formulation 1 (Gelatin undercoat layer composition) Gelatin 0.5 g / m ² Solid dispersed fine particles of dye AD-1 (average particle size 0.1 μm) 25 mg / m ² Sodium polystyrene sulfonate 10 mg / m ² S-1 (Sodium-iso-amyl-n-decylsulfosuccinate) 0.4 mg / m ² Prescription 2 (composition of silver halide emulsion layer 1) Silver halide emulsion A Dye AD so that the silver amount becomes 1.5 g / m ² Solid dispersion fine particles of -8 (average particle size 0.1 μm) 20 mg / m ² cyclodextrin (hydrophilic polymer) 0.5 g / m ² hydrazine derivative Amount shown in Table 1 Sensitizing dye d-1 5 mg / m ² sensitization dye ^d-2 5mg / m 2 compound e 100 mg / m ² latex polymer f 0.5 g / m ² hardener ^{g 5mg / m 2 S-1} 0.7mg / m 2 2- mercapto-6-hydroxy purine mg / m ² ethylenediaminetetraacetic acid (EDTA) 30 mg / m ² Colloidal silica (average particle size 0.05 .mu.m) 10 mg / m ² Formulation 3 (intermediate layer composition) Gelatin 0.3 g / m ² Redox compound: RE-1 10mg / m ² S-1 2 mg / m ² Prescription 4 (Silver halide emulsion layer 2 composition) Silver halide emulsion B Sensitizing dye d-1 3 mg / m ² sensitizing dye so that silver amount becomes 1.4 g / m ² d-2 3 mg / m ² nucleation promoter Na-1 10 mg / m ² Nucleation promoter Nb-1 40 mg / m ² 2-mercapto-6-hydroxypurine 5 mg / m ² EDTA 20 mg / m ² Latex polymer f 0 0.5 g / m ² S-1 1.7 mg / m ² Formulation 5 (Emulsion protective layer composition) Gelatin 0.6 g / m ² Solid dispersion of dye AD-5 (average particle size 0.1 μm) 40 mg / m ² S -1 12mg / m ² Matting agent: monodisperse silica having an average particle size of 3.5 μm 25 mg / m ² nucleation accelerator Na-1 40 mg / m ² 1,3-vinylsulfonyl-2-propanol 40 mg / m ² Surfactant h 1 mg / m ² Colloidal silica (average particle size: 0.05 μm) 10 mg / m ² Hardener: K-1 30 mg / m ² Prescription 6 (backing layer composition) Gelatin 0.6 g / m ² S-1 5 mg / m ² Latex polymer f 0 0.3 g / m ² colloidal silica (average particle size 0.05 μm) 70 mg / m ² sodium polystyrene sulfonate 20 mg / m ² Compound i 100 mg / m ² Formulation 7 (hydrophobic polymer layer composition) Latex (methyl methacrylate: acrylic acid = 97: 3) 1.0 g / m ² hardener g 6 mg / m ² Formulation 8 (backing protective layer) Gelatin 0.4 g / m ² Matting agent: average particle size 5 μm Monodispersed polymethyl methacrylate 50 mg / m ² sodium-di- (2-ethylhexyl) -sulfosuccinate 10 mg / m ² Surfactant h 1 mg / m ² Dye k 20 mg / m ² HO (CH ₂ CH ₂ O) ₆₈ H 50 mg / m ² Hardener: K-1 20 mg / m ²

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[0097]

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[0100] Note that the surface resistivity of the backing side after coating and drying is 23 ° C., at 6 × 10 ¹¹ in 20% RH, the film surface pH of the surface of the emulsion side is 5.5, the degree of swelling was 175.

<Treatment> (Processing solution formulation) (1) Development start solution DL-1 (1 liter of use solution) Biodegradable chelating agent Ch 10 g Diethylenetriaminepentaacetic acid (DTPA) 11 g Sodium sulfite 67 g KBr 2 g Potassium carbonate 40 g Sodium carbonate 11.5 g diethylene glycol 70 g 8-mercaptoadenine 0.2 g hydroquinone 24 g sodium erythorbate 2 g benzotriazole 0.25 g 1-phenyl-4-hydroxymethyl-4-methyl-3-pyrazolidone (dimesone S) 1.1 g 1-phenyl- 5-mercaptotetrazole 0.1 g Compound TO-1 0.2 g Water was added to adjust the pH to 1 l.

[0102]

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(2) Preparation of Developing Tablet (DS-1) <Preparation of Granulation A Part> (1 L of Liquid Used) Biodegradable chelating agent Ch 10 g DTPA 11 g Sodium sulfite 67 g Potassium carbonate 40 g Sodium carbonate 11.5 g D -Mannitol (trade name: manufactured by Kao Corporation) 5 g <Preparation of granulation B parts> (1 liter of liquid used) Sodium sulfite 67 g KBr 2 g 8-mercaptoadenine 0.2 g hydroquinone 24 g sodium erythorbate 2 g benzotriazole 0.25 g dimezone S 1.1 g 1-phenyl-5-mercaptotetrazole 0.1 g compound TO-1 0.2 g D-sorbitol 5 g 1-sodium 1-octanesulfonate 2 g after adjusting pH 10.6 Granulation A part and Granulation B part Material from commercially available bantam mill (Hosokawa Micro After mixing for 30 minutes at room temperature with a commercially available stirring granulator, and then drying the granulated material at 40 ° C. for 2 hours in a fluidized-bed dryer.
Parts and granulated B parts were obtained.

The above parts A and B are thoroughly mixed for 10 minutes, and the resulting mixture is mixed with a machine UDN DFE30.
Using a 40 tablet press (manufactured by Masina Co., Ltd.), 10 tablets having a diameter of 30 mm and a thickness of 10 mm were obtained by compression tableting at 1.5 ton / m ² . When used, 10 tablets were dissolved in pure water to a volume of 1 liter and used.
Was adjusted.

(3) Fixing start solution (FL-1) (1 liter of working solution) Pure water 120 ml Ammonium thiosulfate (70% Na salt: manufactured by Hoechst) 260 g Sodium sulfite 22 g Boric acid 10 g Tartaric acid 3 g Sodium acetate trihydrate 32 g Acetic acid (90% aqueous solution) 16.5 g Aluminum sulfate / 18-hydrate 18 g Finished to 400 ml with 50% aqueous sulfuric acid and pure water. When used, 600 ml of pure water and the above concentrated liquid 40
And 0 ml. The pH at the time of use is 4.7.

(4) Preparation of Supplementary Fixing Tablet (FS-1) <Granulation A Parts> (1 liter of working solution) Ammonium thiosulfate 183 g Sodium bisulfite 10 g Sodium acetate 40 g Isoelite P (brine sugar refinery) 5 g Pine flow 8g <Granulation B parts> (1 liter of liquid used) 10g of boric acid 3g of tartaric acid 18g of sodium hydrogen sulfate 18g of aluminum sulfate 12 hydrate 37g Pine flow (trade name of Matsutani Chemical) 4g The materials for the granule A part and the granulated B part are mixed in a commercially available bantam mill (manufactured by Hosokawa Micron Co., Ltd.) for 30 minutes, and further granulated at room temperature for 10 minutes with a commercially available stirring granulator. The mixture was dried at 40 ° C. for 2 hours in a fluidized-bed dryer to obtain a granulated product A part and a granulated product B part.

The above A parts and B parts were thoroughly mixed for 10 minutes, and the resulting mixture was used in a machine UD · DFE30 ·
Using a 40 tableting machine (manufactured by Masina Co., Ltd.), 25 tablets having a diameter of 30 mm and a thickness of 10 mm were obtained by compressing tablets at a filling amount of 11.0 g per tablet and 1.5 ton / m ² . . At the time of use, 25 tablets were dissolved in water and overflowed with a stabilizing treatment solution so that the volume became 1 l, and the pH of the working solution was adjusted. The pH at the time of use after dissolution was 4.7.

(5) Stabilized solution STB-1 (1 liter of used solution) Biodegradation chelating agent Ch 4 g Potassium sulfite 30 g 8-mercaptoadenine 0.1 g Citric acid 10 g Add water to make 1 liter and use. The pH during use was adjusted to 4.8 using sulfuric acid.

(Automatic Developing Machine) The automatic developing machine GR-26SR manufactured by Konica Co., Ltd. was prepared by modifying the stabilizing tank to a three-stage countercurrent system, and overflowed from the stabilizing tank closest to the fixing tank. The solid fixing agent was diluted with the stabilizing treatment solution, and tap water was used as water insufficient for dilution. The drying zone had a far-infrared heater, and in order to prevent concentration of the developing solution and the fixing solution, 1 l of water corresponding to the evaporation of each water was added per day.

(Processing conditions) Temperature Time Replenishment rate (ml / m ² ) Development 38 ° C. 12 seconds 130 Fixing 38 ° C. 8 seconds 130 Stabilization processing 38 ° C. 10 seconds 300 Squeeze 2 seconds Drying 40 ° C. 10 seconds Total 42 seconds Line speed (Conveying speed) 3300 mm / min. The fixing waste liquid was processed while returning the processing liquid after silver recovery using the silver recovery apparatus described in Example 1 of JP-A-6-27623 to the fixing tank again.

(Processing) Under the above-mentioned processing solutions and processing conditions, one unexposed sample and one whole-surface exposed sample were alternately subjected to 100 m ² running processing so that the blackening ratio of the photosensitive material became 50%.

(Evaluation of Dot Quality) Exposure was performed with SG-747RU (manufactured by Dainippon Screen Co., Ltd.) in such a manner that halftone dots were changed step by step with high-definition halftone dots of 600 lines / inch. The midpoint of the halftone dot pattern (target 5%) was visually evaluated for dot quality using a 100-fold loupe. The highest rank was set to 5, and the ranks were lowered and evaluated to 4, 3, 2, and 1 according to the dot quality.

Table 1 shows the results.

[0114]

[Table 1]

Example 2 (Preparation of silver halide photographic light-sensitive material sample for turning back light room) Using a simultaneous mixing method, a silver chloride content of 99 mol% and a silver bromide content of 1 mol% had an average particle size of 0.15 μm. And cubic silver chlorobromide particles were prepared. K ₃ Rh (H ₂ O) B during mixing
r ₅ was added 7 × 10 ^-5 mol per 1 mol of silver. Before the desalting step of removing soluble salts by a conventional method, 0.6 g of 4-hydroxy-6-methyl-1,3,3a, 7-tetrazaindene (TAI) was added per mol of silver (hereinafter, referred to as “the salt”). Unless otherwise specified, the amount is based on 1 mol of silver).

The temperature of this emulsion was raised to 60 ° C.
mg and 0.75 mg of sodium thiosulfate were added.
60 minutes after adding I, 600 mg of TAI was further added and the temperature was lowered and set.

Next, a coating solution was prepared by adding an additive so as to be in the following amount per 1 m ^{2, and the} following emulsion layer coating solution and protective layer were successively formed on one surface of the subbed support of Example 1. The lower layer solution was simultaneously coated with the following backing coating solution on the opposite surface.

<Emulsion coating solution> NaOH 0.5N solution 4.39 ml / m ² compound A 6.53 mg / m ² Quaternary onium compound Kirayasaponin shown in Table 2 107 mg / m ² compound B 18.5 mg / m ² compound c 9.8 mg / m ² of gelatin latex 480 mg / m ² sodium polystyrenesulfonate 52.2 mg / m ² colloidal silica 20 mg / m ² <protective layer infranate> gelatin 0.5 g / m ² dye two of the solid dispersion (average particle diameter 0.1μm) 62.0mg / m ² citric acid 4.1 mg / m ² formalin 1.2 mg / ^{m 2} hardener: K-1 0.6mg / m ² sodium polystyrenesulfonate 11.0 mg / m ² < protective layer supernatants> gelatin 0.3 g / m ² compound e 18.0 mg / m ² dye d 48.4 mg / m ² compound f 105.0 mg / m ² Compound DOO 1.25 mg / m ² monodisperse silica (average particle size 1.6 [mu] m, monodispersity 10) 15 mg / m ² monodisperse hollow silica (average particle size 5 [mu] m, monodispersity 10, the cavity mean diameter 1 [mu] m) 10 mg / m ² citric acid 4.5 mg / m ² hardener les 10 mg / m ² sodium polystyrenesulfonate 11.0 mg / m ^2-line addition <backing coating liquid> compound Chi 170 mg / m ² dye d 30 mg / m ² compound Li 45 mg / m ² compound j 10 mg / m ² Quillaja saponin 111 mg / m ² compound le 200 mg / m ² colloidal silica 200 mg / m ² compound o 35 mg / m ² compound follower 31 mg / m ² compound Ca 3.1 mg / m ² poly Methyl methacrylate acid polymer (average particle size: 5.6 μm) 28.9 mg / m ² glyoxal 10.1 mg / m ² citric acid 9 .3mg / ^{m 2} of sodium polystyrenesulfonate 71.1 mg / m ² additive compound the following in-line Yo 81 mg / m ² Compound data 88.2mg / m ² of calcium acetate 3.0 mg / m ² Hardener: K- 1 10 mg / m ²

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[0120]

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However, the amount of silver in the emulsion layer was 2.5 g /
gelatin amount 1.2 g / m ² m ^{2, and} the amount of gelatin backing layer is both surfaces simultaneously uniformly coated so as to be 2.1 g / m ^2.

(Preparation of Processing Agent) (6) Preparation of Developing Granule DS-2 <Granulation A Parts> (for 1 liter of liquid used) Sodium erythorbate 60 g Dimezone S 2.7 g 8-mercaptoadenine 0.1 g glycine 5 g DTPA 4 g D-sorbitol 3.6 g sodium 1-octanesulfonate 2 g <granulation B parts> (for 1 liter of used solution) 5-methylbenzotriazole 0.55 g 1-phenyl-5-mercaptotetrazole 0.04 g granulation A parts And the materials of the granulation B parts are mixed in a commercially available bantam mill (manufactured by Hosokawa Micron Co., Ltd.) for 30 minutes, and further granulated for 10 minutes at room temperature using a commercially available stirring granulator. The mixture was dried at 40 ° C. for 2 hours to obtain a granulated material A part and a granulated material B part.

The obtained A parts, B parts and the following materials were thoroughly mixed for 10 minutes to obtain a developing granule DS-2.

Potassium carbonate 55 g Sodium bisulfite 10 g KBr 2.5 g Water was added to DS-2 to dissolve to 1 liter, and the pH of the working solution was adjusted to 9.7.

(7) Preparation of Fixing Granule FS-1 <Preparation of Granulated Material> (1 L of Working Solution) Ammonium Thiosulfate 146 g Sodium Bisulfite 14 g Sodium Sulfite 1 g Boric Acid 6 g ) For 30 minutes, and further mixed at room temperature with a commercially available stirring granulator.
After granulating for 0 minutes, the granulated material was dried at 40 ° C. in a fluidized-bed dryer.
After drying for 2 hours, a granulated product was obtained. The following materials were thoroughly mixed with the obtained granules for 10 minutes to obtain a fixing granule FS-1.

Sodium acetate 28 g Tartaric acid 3 g Succinic acid 13 g Dehydrated aluminum sulfate 11.5 g When used, the above SF-2 was dissolved in water with overflow of a stabilizing treatment solution and water so as to have a volume of 1 liter.
The pH of the working solution was adjusted. The pH at the time of use after dissolution is 4.
It was 5.

(Processing) The obtained developer was heated at 55 ° C. and 50%
Eight unexposed samples and two full-surface exposed samples were alternately used so that the blackening ratio of the photosensitive material became 20%, and the sample was stored for 200 m in the same manner as in Example 1 using the one stored for 3 days under RH temperature and humidity conditions. ² processed.

(Evaluation of halftone dot quality) Sample No. 1 of Example 1 which was subjected to high-definition halftone dot exposure of 600 lines / inch with SG-747RU manufactured by Dainippon Screen Co., Ltd.
Using 2, 3, and 5 as originals, a 100 μm transparent PET base was placed between the original and the photosensitive material using a bright room printer P627FM using an electrodeless discharge tube light source manufactured by Fusion in the United States.
The sheet was exposed to scissors image, and the above processing was performed.
Small dots (5% target) of the halftone dot pattern were visually evaluated for dot quality using a 100-fold loupe. The highest is 5 ranks,
The ranks were reduced to 4, 3, 2, and 1 according to the dot quality.

Table 2 shows the obtained results.

[0131]

[Table 2]

[0132]

According to the present invention, an original film suitable for obtaining a high-definition printed image can be obtained.

Claims (2)

[Claims] 1. A silver halide photographic light-sensitive material having a layer containing at least one hydrazine derivative represented by the following general formula [H] on a support substantially consisting of hydrogenated polyethylene naphthalate. material. Embedded image [In the formula, A ₀ represents an aliphatic group, an aromatic group or a heterocyclic group which may have a substituent, B ₀ represents a blocking group, A ₁ and A ₂ are both hydrogen atoms, or The other hydrogen atom represents an acyl group, a sulfonyl group or an oxalyl group. ] 2. A silver halide having a layer containing at least one quaternary onium compound represented by the following general formula (P) on a support consisting essentially of hydrogenated polyethylene naphthalate. Photosensitive material. Embedded image [Wherein, Q represents a nitrogen atom or a phosphorus atom, and R ₁ , R ₂ , R
₃ and R ₄ each represent a hydrogen atom or a substituent, and X ⁻ represents an anion. Incidentally, R _{1 to} R ₄ may be connected to each other to form a ring. ]