CA1114245A - Procede de fabrication de support d'enregistrement magnetique - Google Patents

Procede de fabrication de support d'enregistrement magnetique

Info

Publication number: CA1114245A
Authority: CA; Canada
Prior art keywords: magnetic; curtain; free fall; support; coating composition
Prior art date: 1976-08-12
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.): Expired

Application number

CA284,614A

Other languages

English (en)

Inventor

Yasuo Tamai

Kohichi Ohishi

Mikio Tomizuka

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Fujifilm Holdings Corp

Original Assignee

Fuji Photo Film Co Ltd

Priority date (The priority date 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 date listed.)

1976-08-12

Filing date

1977-08-12

Publication date

1981-12-15

1976-08-12 Priority claimed from JP9667576A external-priority patent/JPS5321904A/ja

1977-05-23 Priority claimed from JP5953677A external-priority patent/JPS53144305A/ja

1977-05-24 Priority claimed from JP6014777A external-priority patent/JPS6011371B2/ja

1977-08-12 Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd

1981-12-15 Application granted granted Critical

1981-12-15 Publication of CA1114245A publication Critical patent/CA1114245A/fr

Status Expired legal-status Critical Current

Links

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235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 1
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150000002314 glycerols Chemical class 0.000 description 1
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VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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229920001778 nylon Polymers 0.000 description 1
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
229960002446 octanoic acid Drugs 0.000 description 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
235000021313 oleic acid Nutrition 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
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229920000233 poly(alkylene oxides) Polymers 0.000 description 1
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229920000768 polyamine Polymers 0.000 description 1
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229920000570 polyether Polymers 0.000 description 1
229920001195 polyisoprene Polymers 0.000 description 1
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BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
125000001453 quaternary ammonium group Chemical group 0.000 description 1
150000003242 quaternary ammonium salts Chemical class 0.000 description 1
239000001397 quillaja saponaria molina bark Substances 0.000 description 1
229920003987 resole Polymers 0.000 description 1
238000007763 reverse roll coating Methods 0.000 description 1
229910052702 rhenium Inorganic materials 0.000 description 1
229910052703 rhodium Inorganic materials 0.000 description 1
229910052707 ruthenium Inorganic materials 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000004576 sand Substances 0.000 description 1
229930182490 saponin Natural products 0.000 description 1
150000007949 saponins Chemical class 0.000 description 1
229910052706 scandium Inorganic materials 0.000 description 1
GQKZRWSUJHVIPE-UHFFFAOYSA-N sec-amyl acetate Natural products CCCC(C)OC(C)=O GQKZRWSUJHVIPE-UHFFFAOYSA-N 0.000 description 1
DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
229910010271 silicon carbide Inorganic materials 0.000 description 1
229910052709 silver Inorganic materials 0.000 description 1
239000000344 soap Substances 0.000 description 1
230000005236 sound signal Effects 0.000 description 1
238000005507 spraying Methods 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
239000008117 stearic acid Substances 0.000 description 1
239000004575 stone Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
229920003051 synthetic elastomer Polymers 0.000 description 1
239000005061 synthetic rubber Substances 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
239000011269 tar Substances 0.000 description 1
229910052714 tellurium Inorganic materials 0.000 description 1
TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
230000009974 thixotropic effect Effects 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
238000012546 transfer Methods 0.000 description 1
239000013638 trimer Substances 0.000 description 1
150000004072 triols Chemical class 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
229920006337 unsaturated polyester resin Polymers 0.000 description 1
238000005406 washing Methods 0.000 description 1
238000004804 winding Methods 0.000 description 1
239000008096 xylene Substances 0.000 description 1
229910052727 yttrium Inorganic materials 0.000 description 1
GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
229910006297 γ-Fe2O3 Inorganic materials 0.000 description 1

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
- G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field

Landscapes

Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Application Of Or Painting With Fluid Materials (AREA)
Manufacturing Of Magnetic Record Carriers (AREA)
Coating Apparatus (AREA)

CA284,614A 1976-08-12 1977-08-12 Procede de fabrication de support d'enregistrement magnetique Expired CA1114245A (fr)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP96675/76		1976-08-12
JP9667576A JPS5321904A (en)	1976-08-12	1976-08-12	Preparation of magnetic recording material
JP5953677A JPS53144305A (en)	1977-05-23	1977-05-23	Production of magnetic recording medium
JP59536/77		1977-05-23
JP60147/77		1977-05-24
JP6014777A JPS6011371B2 (ja)	1977-05-24	1977-05-24	磁気記録体の製造方法

Publications (1)

Publication Number	Publication Date
CA1114245A true CA1114245A (fr)	1981-12-15

Family

ID=27296914

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA284,614A Expired CA1114245A (fr)	1976-08-12	1977-08-12	Procede de fabrication de support d'enregistrement magnetique

Country Status (2)

Country	Link
CA (1)	CA1114245A (fr)
DE (1)	DE2735853A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5384182A (en) *	1990-05-11	1995-01-24	Kabushiki Kaisha Toshiba	Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation
US5494732A (en) *	1992-01-06	1996-02-27	Kabushiki Kaisha Toshiba	Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation

1977
- 1977-08-09 DE DE19772735853 patent/DE2735853A1/de not_active Withdrawn
- 1977-08-12 CA CA284,614A patent/CA1114245A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5384182A (en) *	1990-05-11	1995-01-24	Kabushiki Kaisha Toshiba	Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation
US5494732A (en) *	1992-01-06	1996-02-27	Kabushiki Kaisha Toshiba	Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation

Also Published As

Publication number	Publication date
DE2735853A1 (de)	1978-02-16

Legal Events

Date	Code	Title	Description
1998-12-15	MKEX	Expiry

Publication	Publication Date	Title
US4528240A (en)	1985-07-09	Magnetic recording medium
US4075384A (en)	1978-02-21	Magnetic recording tapes with two-layered magnetic coating
US4259392A (en)	1981-03-31	Multilayer magnetic recording medium
JP2004005793A (ja)	2004-01-08	磁気記録媒体
JP2004022103A (ja)	2004-01-22	磁気記録テープ
US5512350A (en)	1996-04-30	Magnetic recording medium having a magnetic layer with a specified surface roughness and which contains ferromagnetic powder, binder, and an abrasive
JP2990446B2 (ja)	1999-12-13	磁気記録ディスク
JPH05347017A (ja)	1993-12-27	磁気記録媒体
US5827599A (en)	1998-10-27	Magnetic recording tape having a backcoat and specified edge profile
JPS6161175B2 (fr)	1986-12-24
US4201809A (en)	1980-05-06	Magnetic recording medium
JPH09265626A (ja)	1997-10-07	コンピュータデータ記録用磁気テープ
CA1114245A (fr)	1981-12-15	Procede de fabrication de support d'enregistrement magnetique
JPH1139638A (ja)	1999-02-12	磁気記録媒体
JPS6011371B2 (ja)	1985-03-25	磁気記録体の製造方法
JP2004022105A (ja)	2004-01-22	磁気記録テープ
JPH11296839A (ja)	1999-10-29	磁気テープ
JPS5843816B2 (ja)	1983-09-29	ジキキロクテ−プ
JP2753882B2 (ja)	1998-05-20	磁気記録媒体及びその製造方法
JP3261625B2 (ja)	2002-03-04	磁気記録媒体
JPH09293229A (ja)	1997-11-11	コンピュータデータ記録用磁気テープ
JP3033983B2 (ja)	2000-04-17	磁気記録媒体の製造方法
JP2709955B2 (ja)	1998-02-04	磁気記録媒体
JPS6313259B2 (fr)	1988-03-24
JPH05225547A (ja)	1993-09-03	磁気記録媒体

CA1114245A - Procede de fabrication de support d'enregistrement magnetique - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (6)

Publications (1)

Family

ID=27296914

Family Applications (1)

Country Status (2)

Cited By (2)

Cited By (2)

Also Published As

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