WO2000020220A1 - Feuille empechant la falsification - Google Patents
Feuille empechant la falsification Download PDFInfo
- Publication number
- WO2000020220A1 WO2000020220A1 PCT/JP1999/005536 JP9905536W WO0020220A1 WO 2000020220 A1 WO2000020220 A1 WO 2000020220A1 JP 9905536 W JP9905536 W JP 9905536W WO 0020220 A1 WO0020220 A1 WO 0020220A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- fluorescent coloring
- fluorescent
- opacity
- coloring material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/48—Elements suited for physical verification, e.g. by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2425/00—Cards, e.g. identity cards, credit cards
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
Definitions
- the present invention is a paper used for banknotes (banknotes), bills, checks, stock certificates, bonds, gift certificates, betting tickets, car tickets, various kinds of vouchers, various kinds of cards, passports, etc., which has an excellent counterfeiting prevention effect.
- the anti-counterfeiting sheet according to the present invention is used for tags that can easily imitate a logo or character that recognizes the brand in clothing or jewelry or that can be printed in a specific visible pattern that cannot be counterfeited. About the label. Background art
- Japanese Patent Application Laid-Open No. 55-212100 proposed a sheet for preventing forgery in which fluorescent fibers were mixed in paper. According to this technique, mixing of fluorescent fibers was confirmed. Since it is not determined that the product is a counterfeit product, the anti-counterfeiting effect is insufficient. For this reason, various anti-counterfeiting technologies have been developed and proposed.
- Japanese Patent Application Laid-Open No. 5-9859-9 discloses a forgery prevention in which special fibers (colored fibers, fluorescent fibers, thermomix fibers, glass fibers, etc.) are formed at a predetermined position in a paper layer with a predetermined width. An application sheet is described.
- JP-A-6-28709 describes an information identification sheet in which a natural or synthetic pulp in which a fluorescent dye or pigment is dyed or impregnated in a support is internally added so as to form a random pattern. .
- an object of the present invention is to provide a novel anti-counterfeit sheet that exhibits a high anti-counterfeiting effect and that can determine authenticity easily and in a short time.
- light having a longer wavelength has higher transmittance.
- the transmittance of visible light is higher than that of ultraviolet light for promoting light emission and emitted visible light.
- the present invention has been completed by conducting experiments and researches to achieve the above-mentioned object by focusing on such a difference in transmittance. Disclosure of the invention
- the present invention has the following configuration to achieve the above object.
- the first fluorescent coloring layer containing the first fluorescent coloring material is located at a position close to the upper surface, and the second fluorescent coloring is colored in a different hue from the first fluorescent coloring material.
- a second fluorescent coloring layer containing a material is provided at a position close to the lower surface, and when ultraviolet light is irradiated from the upper surface side, only the fluorescent coloring material of the first fluorescent coloring layer emits fluorescence and is observed from the upper surface side, Counterfeiting characterized in that, when ultraviolet light is irradiated from the side, at least the fluorescent coloring material of the second fluorescent coloring layer emits fluorescence and is observed from the upper side, and different fluorescent coloring is observed by ultraviolet irradiation from different irradiation surfaces. Prevention sheet.
- the opacity of the region from the upper surface to the first fluorescent coloring layer is not more than 92%.
- the opacity of the region from the upper surface to the first fluorescent coloring layer is not more than 82%.
- the opacity of the region from the upper surface to the second fluorescent coloring layer is 97% or more, and the lower surface is 2.
- the opacity of the region from the upper surface to the second fluorescent coloring layer is 89% or more, and the lower surface is 2.
- the opacity of the region from the lower surface to the first fluorescent coloring layer is not less than 9 ⁇ 2>, and when the ultraviolet light is irradiated from the lower surface, the fluorescent coloring of the second fluorescent coloring layer is observed. 6. The forgery-preventing sheet according to claim 1, wherein no fluorescent coloring of the coloring layer is observed.
- the first fluorescent coloring layer and the second fluorescent coloring layer are printed on the front or back surface of the paper layer with a link containing a fluorescent coloring material, laminated with a thin film printed with a link containing a fluorescent coloring material, or 7.
- a predetermined pattern is printed on the back side of the upper layer or the front side of the lower layer using a fluorescent ink that emits visible light by irradiating ultraviolet rays,
- a fluorescent ink that emits visible light by irradiating ultraviolet rays
- FIG. 1 is a cross-sectional view showing a configuration example (A) to (F) of the forgery prevention sheet according to the first embodiment of the present invention.
- FIG. 2 shows the paper used in Experiment 1 in (A) and Experiment 2 (B) is a schematic sectional view showing the paper used in (3) and (3), respectively.
- FIG. 3 is an explanatory view showing regions a to d in the sheet for preventing forgery of the present invention having the structure shown in FIG. 1 (F).
- FIG. 4A is a cross-sectional view showing configuration examples (A) to (C) of the forgery prevention sheet according to the second embodiment of the present invention.
- the forgery prevention sheet according to the first embodiment of the present invention is a sheet having a multilayer structure of at least two or more layers, wherein the first fluorescent coloring layer including the first fluorescent coloring material is located at a position near the upper surface, and the first fluorescent coloring is performed.
- a second fluorescent coloring layer containing a second fluorescent coloring material that emits a color different from that of the material is provided at a position near the lower surface, and when the ultraviolet light is irradiated from the upper surface side, the fluorescent coloring of the first fluorescent coloring layer is performed. Only the material develops fluorescence and is observed from the upper side, and when ultraviolet light is irradiated from the lower side, at least the fluorescent material in the second fluorescent layer is colored and observed from the upper side. It is characterized in that different fluorescent colors are observed.
- the fluorescent coloring material is an organic or inorganic material having a property of emitting a fluorescent color when irradiated with ultraviolet light by black light, and is an aqueous or diaminostilbene-based, coumarin-based, oxazole-based, pyrazoline-based or the like.
- Solvent-based fluorescent dyes such as CaS: Bi, SrS: Sm: Ce, ZnS: AgZnS: Cu, ZnS: Cu: Co Pigment or Sr5 (P04) 3Ci: Eu, 3 (Ba, Mg) ⁇ 8 AI203: Eu, ZnO: Zn, Zn2Si04: Mn, Zn2Ge04: Mn, YVO4: Eu, Y202S: Eu, 0.5Mg F2: 3.5MgO ⁇ G02: Mn, etc.
- Oxygen-based fluorescent pigments, afterglow pigments and the like are exemplified.
- each layer of the sheet having a multilayer structure may be paper, cloth, nonwoven fabric, woven fabric, synthetic resin film, synthetic resin coating layer, or the like, and a multilayer structure sheet can be obtained by arbitrarily combining these layers.
- two or more fluorescent coloring materials emitting colors with different hues are used, and these are distributed at different thickness positions in the multilayer structure sheet.
- the distribution of the fluorescent coloring material is determined by printing an arbitrary pattern on the surface of the layer with an ink containing the fluorescent coloring material, or laminating a thin film of about 6 to 50 with an arbitrary pattern printed by an ink containing the fluorescent coloring material.
- Method a method of providing a layer of a fluorescent coloring material alone, a method of internally adding a fluorescent coloring material to the layer itself, a method of providing a layer in which a fluorescent coloring material is added separately from a layer not containing the fluorescent coloring material, and the like.
- any method can be used, printing or internal addition is preferable because a sufficient color-forming effect can be obtained at a relatively low cost.
- a fluorescent coloring material is present in the layer on the printing surface side in order to maintain the print quality at that time. Preferably not.
- a fluorescent dye or a fluorescent pigment constituting the fluorescent coloring material is kneaded into a filament, formed into an ink, coated on a thin film or thin paper, and dried. It is advisable to mix about 1 to 5.0% and make paper by a conventional method. Since this method is well known, further detailed description is omitted.
- FIG. 1 (A) to 1 (F) are cross-sectional views showing a configuration example of a forgery prevention sheet according to a first embodiment of the present invention.
- Fig. 1 (A) shows a fluorescent coloring material A printed in an arbitrary pattern on the upper surface of the upper layer 1 and another fluorescent coloring material B (hereinafter the same) that emits a color different from that of the fluorescent coloring material A.
- An example is shown in which a pattern different from the printing pattern of the coloring material A is printed on the lower surface of the upper layer 1 or the upper surface of the lower layer 2.
- FIG. 1 (B) shows an example in which a fluorescent coloring material A is internally added to the upper layer 1 to form a fluorescent coloring layer 1A, and the fluorescent coloring material B is printed and formed on the lower surface of the upper layer 1 or the upper surface of the lower layer 2.
- Fig. 1 (C) shows a fluorescent coloring layer 3 with fluorescent coloring material A internally added under the upper layer 1 made of paper made without containing the fluorescent coloring material, and a fluorescent coloring material B 3 shows an example in which printing is performed on the lower surface or the upper surface of the lower layer 2.
- a fluorescent coloring material A is internally added to the upper layer 1 to obtain a fluorescent coloring ⁇ 1A
- a fluorescent coloring material B is internally added to the lower layer 2 to form a fluorescent coloring layer 2B.
- the buffer layer 5 is interposed.
- the buffer layer 5 containing no fluorescent coloring material between the distribution regions or distribution layers of the fluorescent coloring materials A and B in this manner, mutual interference of the fluorescent coloring by the fluorescent coloring materials A and B is reduced.
- FIG. 1 (E) shows an example in which a fluorescent coloring material A is printed in an arbitrary pattern on the upper surface of the upper layer 1 and a fluorescent coloring material B is internally added to the lower layer 2 to form a fluorescent coloring layer 2B.
- the upper paper layer 1 also functions as a buffer layer.
- Fig. 1 (F) shows a fluorescent coloring layer 3 with fluorescent coloring material A internally provided under the upper layer 1 made of paper made without fluorescent coloring material, and paper making without fluorescent coloring material.
- a fluorescent coloring layer 4 in which a fluorescent coloring material B is internally provided is provided on the lower layer 2 made of paper, and a buffer layer 5 is further interposed between the fluorescent coloring layers 3 and 4.
- the fluorescent coloring materials A and B are not exposed on the front and back surfaces, so that these fluorescent coloring materials do not impede the adhesion of the printing ink and can be applied to both sides. This makes the configuration particularly excellent for printing when printing.
- the configuration may be reversed.
- the fluorescent coloring materials A and B emit fluorescence in different hues when irradiated with ultraviolet light, but each coloring material does not necessarily have to be one color, and one color is colored and the other is colored.
- the fluorescent coloring materials A and B may be those that emit different colors and those that emit different colors.
- the forgery prevention sheet according to the first embodiment of the present invention has a structure as shown in FIGS. 1 (A) to 1 (F), in which only the fluorescent coloring material A emits fluorescence when irradiated with ultraviolet rays from the upper surface side.
- FIGS. 1 (A) to 1 (F) show a structure as shown in FIGS. 1 (A) to 1 (F), in which only the fluorescent coloring material A emits fluorescence when irradiated with ultraviolet rays from the upper surface side.
- ultraviolet light is irradiated from the lower surface side
- only the fluorescent coloring material B or both of the fluorescent coloring materials A and B are observed to be fluorescent, and the conditions for realizing this (opacity) Is described below based on experimental data.
- Wood pulp (NBKP 10%, LBKP 90%) is internally added with calcium carbonate 15% by weight based on pulp weight to produce high-quality paper with a basis weight of 20 to 210 g / m2 according to a standard method.
- the surface was coated with a sizing agent and starch to prepare a sample.
- the opacity of each of the obtained paper samples was measured in accordance with JIS-P8138 “Paper opacity”.
- Gravure printing is performed using gravure printing ink prepared by blending a red fluorescent coloring material powder (trade name: YS-A, manufactured by Nemoto Special Chemicals Co., Ltd.) in a medium with a solid content of 10% on the obtained paper of various basis weights.
- a red fluorescent coloring material powder trade name: YS-A, manufactured by Nemoto Special Chemicals Co., Ltd.
- various types of evaluation samples were obtained by bonding papers of various basis weights to the printing surface using an adhesive. In other words, these evaluation samples have the configuration shown in Fig. 2 (A), and the paper 11 on which the background pattern printing (fluorescent coloring material layer) 10 is formed on the back surface is laminated on paper "! 2". Glued.
- Each of the obtained evaluation samples was irradiated with ultraviolet rays from above and below with 4 W and 6 W black lights in a bright room and a dark room, and the degree of fluorescence was visually evaluated from above.
- Tables 1 to 8 show the evaluation results.
- the black light used for the measurement was 4 with Sanyo Electric Co., Ltd. 1 _ «— 1 ⁇ 3400 loaded with National FL 4 BL —B lamp, and 6W with NEC Home Electronics Co., Ltd. M-061 10 — A is loaded with National FL 6 BL—B lamp.
- the illuminance of the light room and the dark room was 25 and 0.1 LX, respectively, as measured by Minolta Co., Ltd. ILL UM IN ANCE MET ER TL-1.
- the paper of various basis weights created in Experiment 1 was placed on the top and bottom, and a nylon filament fiber with a diameter of 50 containing 10% of the same red fluorescent coloring material used in Experiment 1 was applied to a fiber length of 3 to 5 mm.
- a fluorescing layer (opacity 44.8%) with a basis weight of 20 g Zm2 and a blended composition of 0.25% pulp and a pulp ratio of 0.25% were placed between these upper and lower papers.
- a three-layered paper was prepared according to a conventional method. That is, as shown in FIG. 2 (B), this evaluation sample has a three-layer structure in which the fluorescent coloring layer 10 ′ is interposed between the upper and lower papers 11 and 12. .
- Tables 9 to 16 show the results of observing the fluorescence of the obtained evaluation samples in the same manner as in Experiment 1.
- the top surface of the fluorescent coloring material A contained in the fluorescent coloring layer 3 is observed from above when the ultraviolet ray is irradiated from above.
- the problem is the opacity of the region up to the fluorescent coloring layer 3, that is, the region a (FIG. 3) of the upper paper layer 1.
- the opacity of the area a can be determined by observing the result of irradiation from above under the least visible condition (4 W, light room). 3) should be 92% or less, and when a fluorescent coloring material is internally added to the paper layer to form the fluorescent coloring layer 3 (Table 11 and Table 19), it should be 82% or less, preferably 75% or less It is understood that.
- the forgery prevention sheet according to the first embodiment of the present invention only the fluorescent coloring material A contained in the fluorescent coloring layer 3 is observed when irradiated with ultraviolet light from above, and the lower fluorescent coloring layer is observed. Since it is required that the coloring of the fluorescent coloring material B contained in 4 is not observed from above, the opacity of the region b (Fig. 3) from the top surface to the fluorescent coloring layer 4 is the most visible. Observation results when irradiating from above under easy conditions (6 W, dark room) show that 97% or more when the fluorescent coloring material B is printed to form the fluorescent coloring layer 4 (Table 8). It is understood that when the material B is internally added to the paper layer to form the fluorescent coloring layer 4, the content should be 89% or more (Table 24), preferably 94% or more (Table 16).
- the forgery prevention sheet according to the first embodiment of the present invention is irradiated with ultraviolet light from below, at least the coloring of the fluorescent coloring material B contained in the fluorescent coloring layer 4 must be observed from above.
- This condition is based on the opacity of the area from the lower surface to the fluorescent coloring layer 4, that is, the area c (FIG. 3) due to the lower paper layer 12, and the area from the fluorescent coloring layer 4 to the upper surface, that is, the area b.
- This is a condition for correlation with the opacity.
- Tables 1, 9 and 17 are shown, which show the observation results when illuminating from the bottom under the least visible conditions (4 W, bright room).
- the opacity of the region b is 97% or more in the case of the experiment 1 (Table 8) in which the fluorescent coloring material B is printed to form the fluorescent coloring layer 4, but the opacity of the region b is 98. Even if it is 8%, if the opacity of the area c is 96.7% or less, the coloring of the fluorescent coloring material B of the fluorescent coloring layer 4 can be observed (see Table 1). In Experiment 2 (Table 16), the opacity of the area b was 94% or more in the case of Experiment 2 in which the fluorescent coloring material B was internally added to the paper layer to form the fluorescent coloring layer 4.
- the opacity of area b is 92.0%, the opacity of area c is 82.0% or less, and when the opacity of area b is 94.7% and 96.7%, the opacity of area c is If the opacity is 75.0% or less and the opacity of the area b is 98.8%, and if the opacity of the area c is 70.9% or less, observe the coloring of the fluorescent coloring material B of the fluorescent coloring layer 4 can do.
- the opacity of the region b is 97% or more, and the opacity of the region c is 96% or less, preferably 92% or less. It is understood what to do.
- the opacity of the area b is 89% or more, preferably 94% or more, and the opacity of the area c is 75%. In the following, it is understood that the content should preferably be 63% or less.
- the forgery prevention sheet when the forgery prevention sheet is irradiated with ultraviolet light from below, only the coloring of the fluorescent coloring material B of the fluorescent coloring layer 4 is observed from above, and the fluorescence of the fluorescent coloring layer 3 is No coloring of coloring material A is observed.
- the condition for making the fluorescent coloring material A of the fluorescent coloring layer 3 invisible by irradiation from below is based on the difference between the opacity of the area d (Fig. 3) from the lower surface to the fluorescent coloring layer 3 and the opacity of the area a. It is a correlation condition.
- the opacity of paper when the paper is manufactured with the same prescription generally increases as the basis weight increases.Therefore, by changing the basis weight, paper having various different opacity is manufactured.
- the opacity of each layer is controlled by the presence or absence of calendar processing, the presence or absence of the coating of the clarifying agent, and the like.
- low-basis but high-opacity paper examples include cigarette paper (24-square-meter opacity 78%) and dictionary paper (29-square-meter opacity 80% opacity).
- the opacity is 82 to 88% with a mass of 42 g Zm2). These have low basis weight, but high opacity is obtained by using a high filler content.
- An example of low opacity is dalasin paper used for packaging paper and release paper, which has an opacity of 22% at a basis weight of 31 square meters and an opacity of 53% at a basis weight of 70 square meters.
- the opacity of glassine paper is reduced by using a beating process and a strong super calender when preparing paper raw materials.
- first and second fluorescent coloring layers in the forgery prevention sheet according to the first embodiment of the present invention may be formed by laminating a thin film printed with a phosphor-containing link as described above,
- the experimental data in this case was similar to the experimental data 1 in the case of printing on the surface of paper with the re-ink containing the printed fluorescent material.
- black lights currently on the market include those of 1 OW, 15 W and 2 OW in addition to the 4 W and 6 W used in the above experiments, but those of 15 W and 20 W
- the damage to the eyes is large, and the tube of 1 OW has too long a tube, which does not meet the purpose of the present invention in which the authenticity is easily determined at a store or the like. Therefore, adopting the data of the above experiments using 4 W and 6 W black lights is considered to have sufficient practical significance.
- the first embodiment of the present invention described in detail above is particularly suitable when extremely high forgery prevention effects are required as printing paper for banknotes and securities.
- a predetermined pattern is formed on the rear surface side of the upper layer or the front surface side of the lower layer by using a fluorescent ink that emits a visible light color by ultraviolet irradiation. Is printed, when the ultraviolet light is irradiated from the upper surface side, the printed pattern by the fluorescent ink is not observed, but when the ultraviolet light is irradiated from the lower surface side, the printed pattern is observed. In this case, it is possible to print on a print pattern such as a logo or a character indicating a specific brand using fluorescent ink.
- FIG. 4 (A) is the back side of the upper layer 1 or the surface of the lower layer 2.
- the upper layer 1 and the lower layer 2 are laminated to form a two-layer sheet by forming a printed portion C of an arbitrary pattern with fluorescent ink on the side
- FIG. 4 (B) shows the upper layer 1 and the lower layer 2 In a three-layered sheet with an intermediate layer 6 interposed between them, a printed portion C is formed on the back side of the upper layer 1 or on the front side of the intermediate layer 6, and FIG. ) Is Fig. 4
- a printed portion C is formed on the back side of the intermediate layer 6 or the front side of the lower layer 2. It is.
- both the upper layer 1 and the lower layer 2 are made of paper and the intermediate layer 6 is made of nonwoven fabric or nonwoven fabric.
- Woven cloth or synthetic resin film, or print part C on the front or back The upper layer 1 and the lower layer 2 as a synthetic resin coating layer are formed on the front and back of a non-woven fabric, woven fabric, or synthetic resin film as the formed intermediate layer 6, and have an appearance, touch, or texture according to the application. The tear strength can be adjusted.
- the upper and lower layers 1 and 2 can be provided as thermal coloring labels by forming coating layers using a thermal paint.
- a dummy mark when performing fluorescent printing, a dummy mark can be inserted by printing an arbitrary pattern using fluorescent ink and printing an arbitrary pattern using transparent ink, thereby preventing forgery.
- the effect can be enhanced.
- the second embodiment of the present invention when ultraviolet light is irradiated from the upper surface side, the printed pattern by the fluorescent ink is not observed, but when the ultraviolet light is irradiated from the lower surface side, the printed pattern is observed.
- the condition (opacity) for realizing this is as follows. In the first embodiment, the fluorescent coloring layer 4 is not observed from the front side when irradiated with ultraviolet light from above in the first embodiment.
- the anti-counterfeit sheet of the present invention different fluorescent colors are observed when the ultraviolet light is irradiated from the upper surface side and when the ultraviolet light is irradiated from the lower surface side, so that the authenticity can be easily determined at a glance. .
- the present invention provides banknotes (banknotes), bills, checks, stock certificates, bonds, gift certificates, betting tickets, betting tickets, car tickets, various kinds of cash notes, and various cards which are required to be easily authenticated and have an excellent forgery prevention effect. It can be particularly usefully used as paper for passports, etc., or as a tag label for printing a logo or character that recognizes the brand on clothing or jewelry.
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- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Credit Cards Or The Like (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
- Printing Methods (AREA)
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ505463A NZ505463A (en) | 1998-10-07 | 1999-10-07 | Forgery prevention sheet |
| MXPA00005626A MXPA00005626A (es) | 1998-10-07 | 1999-10-07 | Hoja de prevencion y falsificacion. |
| EP99970056A EP1036665A4 (en) | 1998-10-07 | 1999-10-07 | COUNTERFEIT PREVENTION SHEET |
| KR1020007006170A KR20010015865A (ko) | 1998-10-07 | 1999-10-07 | 위조방지용 시트 |
| IL13654899A IL136548A0 (en) | 1998-10-07 | 1999-10-07 | Forgery prevention sheet |
| CA002313162A CA2313162A1 (en) | 1998-10-07 | 1999-10-07 | Forgery prevention sheet |
| AU60052/99A AU758396B2 (en) | 1998-10-07 | 1999-10-07 | Forgery prevention sheet |
| NO20002882A NO20002882L (no) | 1998-10-07 | 2000-06-06 | Forfalskningshindrende ark |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29905698 | 1998-10-07 | ||
| JP10/299056 | 1998-10-07 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09555761 A-371-Of-International | 2000-08-17 | ||
| US10/254,637 Continuation US20030143426A1 (en) | 1998-10-07 | 2002-09-26 | Forgery prevention sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000020220A1 true WO2000020220A1 (fr) | 2000-04-13 |
Family
ID=17867642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1999/005536 Ceased WO2000020220A1 (fr) | 1998-10-07 | 1999-10-07 | Feuille empechant la falsification |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1036665A4 (ja) |
| KR (1) | KR20010015865A (ja) |
| AU (1) | AU758396B2 (ja) |
| CA (1) | CA2313162A1 (ja) |
| IL (1) | IL136548A0 (ja) |
| MX (1) | MXPA00005626A (ja) |
| NO (1) | NO20002882L (ja) |
| NZ (1) | NZ505463A (ja) |
| WO (1) | WO2000020220A1 (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002163820A (ja) * | 2000-11-27 | 2002-06-07 | Printing Bureau Ministry Of Finance | 安全線条、偽造防止用紙及び貴重印刷物並びにその真偽判別装置 |
| JP2002266289A (ja) * | 2001-03-02 | 2002-09-18 | Tokushu Paper Mfg Co Ltd | 偽造防止用紙及び偽造防止印刷物 |
| JP2002266288A (ja) * | 2001-03-02 | 2002-09-18 | Tokushu Paper Mfg Co Ltd | 偽造防止用紙及び偽造防止印刷物 |
| JP2008075218A (ja) * | 2006-09-22 | 2008-04-03 | National Printing Bureau | 発光印刷が施された多層抄き合わせ紙 |
| US7682687B2 (en) | 2001-07-16 | 2010-03-23 | Yupo Corporation | Forgery-preventing film |
| US8034436B2 (en) * | 2002-04-30 | 2011-10-11 | Avery Dennison Corporation | Fluorescent article having multiple layers |
| CN110656544A (zh) * | 2019-09-19 | 2020-01-07 | 李峰 | 多层结构纸 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0228303D0 (en) * | 2002-12-04 | 2003-01-08 | Rue De Int Ltd | Security device and method |
| FR2861101B1 (fr) † | 2003-10-15 | 2007-06-15 | Arjo Wiggins | Papier de securite multijet |
| FR2877609B1 (fr) | 2004-11-08 | 2007-03-09 | Arjowiggins Security Soc Par A | Structure de securite et article incorporant une telle structure |
| DE102005045566A1 (de) * | 2005-03-23 | 2006-09-28 | Giesecke & Devrient Gmbh | Mehrlagiges Sicherheitspapier |
| US7654581B2 (en) * | 2005-05-06 | 2010-02-02 | Canadian Bank Note Company, Limited | Security document with ultraviolet authentication security feature |
| ES2348091T3 (es) * | 2005-12-22 | 2010-11-30 | Sihl Gmbh | Laminado de papel-lamina. |
| EP2112274A1 (de) * | 2008-04-22 | 2009-10-28 | Hueck Folien Ges.m.b.H. | Sicherheitselement mit fluoreszierenden Merkmalen |
| FR2941713B1 (fr) | 2009-02-03 | 2011-04-01 | Arjowiggins Security | Procede de securisation d'un objet opaque colore. |
| KR101113035B1 (ko) | 2010-05-18 | 2012-02-27 | 한국과학기술원 | 다양한 기재 위에 형성한 미세입자의 임의 분산 패턴을 이용한 복제방지 라벨의 제조 및 진위 판별방법 |
| JP6758387B2 (ja) * | 2016-09-02 | 2020-09-23 | 富士フイルム株式会社 | 蛍光体含有フィルムおよびバックライトユニット |
| DE102016015500A1 (de) * | 2016-12-23 | 2018-06-28 | Giesecke+Devrient Currency Technology Gmbh | Datenträger mit Lumineszenzbereichen |
| TWI739168B (zh) * | 2019-10-07 | 2021-09-11 | 勤倫有限公司 | 具防偽功能之列印品 |
| KR102333137B1 (ko) | 2021-06-08 | 2021-12-01 | 박정훈 | 다중 복합인쇄구조 및 이 인쇄구조가 형성된 특수인쇄시트 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10129107A (ja) * | 1996-11-01 | 1998-05-19 | Toppan Printing Co Ltd | 画像表示体 |
| JPH10250214A (ja) * | 1997-03-11 | 1998-09-22 | Dainippon Printing Co Ltd | 蛍光画像形成物 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120088A (en) * | 1991-01-11 | 1992-06-09 | New Holding, Inc. | Method of securing a transaction record |
| ES2108814T3 (es) * | 1993-12-10 | 1998-01-01 | Agfa Gevaert Nv | Documento de seguridad con un soporte transparente o translucido y que contiene pigmentos de interferencia. |
| GB2300596B (en) * | 1995-05-10 | 1998-11-04 | Portals Ltd | Composite material having fluorescent features |
-
1999
- 1999-10-07 KR KR1020007006170A patent/KR20010015865A/ko not_active Withdrawn
- 1999-10-07 IL IL13654899A patent/IL136548A0/xx unknown
- 1999-10-07 AU AU60052/99A patent/AU758396B2/en not_active Ceased
- 1999-10-07 EP EP99970056A patent/EP1036665A4/en not_active Withdrawn
- 1999-10-07 MX MXPA00005626A patent/MXPA00005626A/es unknown
- 1999-10-07 CA CA002313162A patent/CA2313162A1/en not_active Abandoned
- 1999-10-07 NZ NZ505463A patent/NZ505463A/en unknown
- 1999-10-07 WO PCT/JP1999/005536 patent/WO2000020220A1/ja not_active Ceased
-
2000
- 2000-06-06 NO NO20002882A patent/NO20002882L/no not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10129107A (ja) * | 1996-11-01 | 1998-05-19 | Toppan Printing Co Ltd | 画像表示体 |
| JPH10250214A (ja) * | 1997-03-11 | 1998-09-22 | Dainippon Printing Co Ltd | 蛍光画像形成物 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1036665A4 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002163820A (ja) * | 2000-11-27 | 2002-06-07 | Printing Bureau Ministry Of Finance | 安全線条、偽造防止用紙及び貴重印刷物並びにその真偽判別装置 |
| JP2002266289A (ja) * | 2001-03-02 | 2002-09-18 | Tokushu Paper Mfg Co Ltd | 偽造防止用紙及び偽造防止印刷物 |
| JP2002266288A (ja) * | 2001-03-02 | 2002-09-18 | Tokushu Paper Mfg Co Ltd | 偽造防止用紙及び偽造防止印刷物 |
| US7682687B2 (en) | 2001-07-16 | 2010-03-23 | Yupo Corporation | Forgery-preventing film |
| US8034436B2 (en) * | 2002-04-30 | 2011-10-11 | Avery Dennison Corporation | Fluorescent article having multiple layers |
| JP2008075218A (ja) * | 2006-09-22 | 2008-04-03 | National Printing Bureau | 発光印刷が施された多層抄き合わせ紙 |
| CN110656544A (zh) * | 2019-09-19 | 2020-01-07 | 李峰 | 多层结构纸 |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20002882L (no) | 2000-08-03 |
| CA2313162A1 (en) | 2000-04-13 |
| EP1036665A4 (en) | 2000-12-27 |
| AU6005299A (en) | 2000-04-26 |
| MXPA00005626A (es) | 2004-05-21 |
| AU758396B2 (en) | 2003-03-20 |
| EP1036665A1 (en) | 2000-09-20 |
| KR20010015865A (ko) | 2001-02-26 |
| IL136548A0 (en) | 2001-06-14 |
| NO20002882D0 (no) | 2000-06-06 |
| NZ505463A (en) | 2002-07-26 |
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