JPS54123923A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS54123923A
JPS54123923A JP3137778A JP3137778A JPS54123923A JP S54123923 A JPS54123923 A JP S54123923A JP 3137778 A JP3137778 A JP 3137778A JP 3137778 A JP3137778 A JP 3137778A JP S54123923 A JPS54123923 A JP S54123923A
Authority
JP
Japan
Prior art keywords
epoxy
recording medium
composition
ultraviolet rays
front side
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.)
Granted
Application number
JP3137778A
Other languages
Japanese (ja)
Other versions
JPS5749966B2 (en
Inventor
Takashi Suzuki
Isao Sumita
Ayaaki Imai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP3137778A priority Critical patent/JPS54123923A/en
Publication of JPS54123923A publication Critical patent/JPS54123923A/en
Publication of JPS5749966B2 publication Critical patent/JPS5749966B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lubricants (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To form magnetic recording medium of superior running characteristic by providing an ultraviolet ray setting epoxy resin layer containing lubricants on the back side of a film substrate formed with a magnetic layer on the front side.
CONSTITUTION: The mixed varnish of epoxy prepolymer and epoxy monomer and a photo setting catalyst (aromatic diazonium salt of halogenide complex producing Lewis acid through radiation of ultraviolet rays) solution are mixed, to which fatty acid ester, quaternary ammonium salt, lubricants such as carbon powder or the like are added to ratios of about 0.01 to 50% based on the epoxy composition, whereby the liquid form composition is obtained. Next, the above liquid form composition is coated on the back side of the film substrate formed with a magnetic layer on the front side, and ultraviolet rays are radiated thereto to allow the resin to set, thereby causing the epoxy resin layers of about 0.1 to 1μ in film thickness to be formed.
COPYRIGHT: (C)1979,JPO&Japio
JP3137778A 1978-03-17 1978-03-17 Magnetic recording medium Granted JPS54123923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3137778A JPS54123923A (en) 1978-03-17 1978-03-17 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3137778A JPS54123923A (en) 1978-03-17 1978-03-17 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS54123923A true JPS54123923A (en) 1979-09-26
JPS5749966B2 JPS5749966B2 (en) 1982-10-25

Family

ID=12329552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3137778A Granted JPS54123923A (en) 1978-03-17 1978-03-17 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS54123923A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737720A (en) * 1980-08-18 1982-03-02 Matsushita Electric Ind Co Ltd Magnetic recording medium and its manufacture
JPS57150136A (en) * 1981-03-09 1982-09-16 Fuji Photo Film Co Ltd Magnetic recording medium and its manufacture
JPS57162123A (en) * 1981-03-30 1982-10-05 Teijin Ltd Magnetic recording medium
JPS57169929A (en) * 1981-04-13 1982-10-19 Tdk Corp Magnetic recording medium and its manufacture
JPS57195321A (en) * 1981-05-08 1982-12-01 Teijin Ltd Metallic thin film magnetic recording medium
JPS57200937A (en) * 1981-06-05 1982-12-09 Tdk Corp Magnetic recording medium
JPS57203725U (en) * 1981-06-23 1982-12-25
JPS5814319A (en) * 1981-07-20 1983-01-27 Teijin Ltd Vertically magnetized recording medium
JPS5841419A (en) * 1981-09-03 1983-03-10 Hitachi Maxell Ltd Magnetic recording medium
JPS61175921A (en) * 1985-01-29 1986-08-07 Mitsubishi Electric Corp Back coating material for magnetic recording medium

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073985U (en) * 1983-10-27 1985-05-24 三菱重工業株式会社 coupled valve

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737720A (en) * 1980-08-18 1982-03-02 Matsushita Electric Ind Co Ltd Magnetic recording medium and its manufacture
JPS57150136A (en) * 1981-03-09 1982-09-16 Fuji Photo Film Co Ltd Magnetic recording medium and its manufacture
JPH0152814B2 (en) * 1981-03-30 1989-11-10 Teijin Ltd
JPS57162123A (en) * 1981-03-30 1982-10-05 Teijin Ltd Magnetic recording medium
JPS57169929A (en) * 1981-04-13 1982-10-19 Tdk Corp Magnetic recording medium and its manufacture
JPH0563842B2 (en) * 1981-04-13 1993-09-13 Tdk Electronics Co Ltd
JPS57195321A (en) * 1981-05-08 1982-12-01 Teijin Ltd Metallic thin film magnetic recording medium
JPH0152815B2 (en) * 1981-05-08 1989-11-10 Teijin Ltd
US4670340A (en) * 1981-06-05 1987-06-02 Tdk Corporation Magnetic recording medium and method
JPH0445887B2 (en) * 1981-06-05 1992-07-28 Tdk Electronics Co Ltd
JPS57200937A (en) * 1981-06-05 1982-12-09 Tdk Corp Magnetic recording medium
JPS6332596Y2 (en) * 1981-06-23 1988-08-31
JPS57203725U (en) * 1981-06-23 1982-12-25
JPS5814319A (en) * 1981-07-20 1983-01-27 Teijin Ltd Vertically magnetized recording medium
JPH0152816B2 (en) * 1981-07-20 1989-11-10 Teijin Ltd
JPS5841419A (en) * 1981-09-03 1983-03-10 Hitachi Maxell Ltd Magnetic recording medium
JPS61175921A (en) * 1985-01-29 1986-08-07 Mitsubishi Electric Corp Back coating material for magnetic recording medium

Also Published As

Publication number Publication date
JPS5749966B2 (en) 1982-10-25

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