JPS53133405A - Manufacture of film for magnetic disc - Google Patents

Manufacture of film for magnetic disc

Info

Publication number
JPS53133405A
JPS53133405A JP4791077A JP4791077A JPS53133405A JP S53133405 A JPS53133405 A JP S53133405A JP 4791077 A JP4791077 A JP 4791077A JP 4791077 A JP4791077 A JP 4791077A JP S53133405 A JPS53133405 A JP S53133405A
Authority
JP
Japan
Prior art keywords
film
manufacture
magnetic disc
coating
impalpable
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
JP4791077A
Other languages
Japanese (ja)
Other versions
JPS5713052B2 (en
Inventor
Katsuyoshi Chiba
Yoshiki Kato
Hajime Fukuya
Mitsuo Tsunoda
Kazuichi Nagashiro
Mitsushi Endo
Norinobu Tsuda
Masaaki Imamura
Fujio Maeda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4791077A priority Critical patent/JPS53133405A/en
Publication of JPS53133405A publication Critical patent/JPS53133405A/en
Publication of JPS5713052B2 publication Critical patent/JPS5713052B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Coating Apparatus (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To prevent occurrence of projections, craters and others on the film for the magnetic coating composed by dispersing the ferromagnetic impalpable into the high molecule binding agent, by applying the coating to the substrate while making the coating pass through a filter.
COPYRIGHT: (C)1978,JPO&Japio
JP4791077A 1977-04-27 1977-04-27 Manufacture of film for magnetic disc Granted JPS53133405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4791077A JPS53133405A (en) 1977-04-27 1977-04-27 Manufacture of film for magnetic disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4791077A JPS53133405A (en) 1977-04-27 1977-04-27 Manufacture of film for magnetic disc

Publications (2)

Publication Number Publication Date
JPS53133405A true JPS53133405A (en) 1978-11-21
JPS5713052B2 JPS5713052B2 (en) 1982-03-15

Family

ID=12788520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4791077A Granted JPS53133405A (en) 1977-04-27 1977-04-27 Manufacture of film for magnetic disc

Country Status (1)

Country Link
JP (1) JPS53133405A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256275A (en) * 1988-08-19 1990-02-26 Fuji Photo Film Co Ltd Coating method
US5510140A (en) * 1993-12-01 1996-04-23 Tdk Corporation Method for preparing magnetic recording medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130205A (en) * 1975-05-08 1976-11-12 Fuji Photo Film Co Ltd A process for producing a magnetic recording material
JPS51140703A (en) * 1975-05-30 1976-12-03 Fuji Photo Film Co Ltd Method of coating

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130205A (en) * 1975-05-08 1976-11-12 Fuji Photo Film Co Ltd A process for producing a magnetic recording material
JPS51140703A (en) * 1975-05-30 1976-12-03 Fuji Photo Film Co Ltd Method of coating

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256275A (en) * 1988-08-19 1990-02-26 Fuji Photo Film Co Ltd Coating method
JPH0611421B2 (en) * 1988-08-19 1994-02-16 富士写真フイルム株式会社 Application method
US5510140A (en) * 1993-12-01 1996-04-23 Tdk Corporation Method for preparing magnetic recording medium

Also Published As

Publication number Publication date
JPS5713052B2 (en) 1982-03-15

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