JPS52130604A - Production of magnetic recording media - Google Patents

Production of magnetic recording media

Info

Publication number
JPS52130604A
JPS52130604A JP4723276A JP4723276A JPS52130604A JP S52130604 A JPS52130604 A JP S52130604A JP 4723276 A JP4723276 A JP 4723276A JP 4723276 A JP4723276 A JP 4723276A JP S52130604 A JPS52130604 A JP S52130604A
Authority
JP
Japan
Prior art keywords
production
magnetic recording
recording media
quality
furnish
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
JP4723276A
Other languages
Japanese (ja)
Other versions
JPS5837616B2 (en
Inventor
Masaaki Suzuki
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.)
Filing date
Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP51047232A priority Critical patent/JPS5837616B2/en
Priority to DE19772718739 priority patent/DE2718739A1/en
Publication of JPS52130604A publication Critical patent/JPS52130604A/en
Publication of JPS5837616B2 publication Critical patent/JPS5837616B2/en
Expired legal-status Critical Current

Links

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

Abstract

PURPOSE: To furnish practical weather resisting quality, durability, and smooth running quality against the transducer by treating the thin magnetic metal film covered on the base body with a phosphoric (phosphate) containing acidic water solution.
COPYRIGHT: (C)1977,JPO&Japio
JP51047232A 1976-04-27 1976-04-27 Manufacturing method for magnetic recording media Expired JPS5837616B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP51047232A JPS5837616B2 (en) 1976-04-27 1976-04-27 Manufacturing method for magnetic recording media
DE19772718739 DE2718739A1 (en) 1976-04-27 1977-04-27 Protection of metal films on magnetic recording material - by treatment with phosphoric acid or a phosphate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51047232A JPS5837616B2 (en) 1976-04-27 1976-04-27 Manufacturing method for magnetic recording media

Publications (2)

Publication Number Publication Date
JPS52130604A true JPS52130604A (en) 1977-11-02
JPS5837616B2 JPS5837616B2 (en) 1983-08-17

Family

ID=12769456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51047232A Expired JPS5837616B2 (en) 1976-04-27 1976-04-27 Manufacturing method for magnetic recording media

Country Status (2)

Country Link
JP (1) JPS5837616B2 (en)
DE (1) DE2718739A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760055A (en) * 1980-09-29 1982-04-10 Inoue Japax Res Inc Spinodal decomposition type magnet alloy
JPS5834903A (en) * 1981-08-27 1983-03-01 Tdk Corp Magnetic recording medium
JPS5884411A (en) * 1981-11-16 1983-05-20 Tdk Corp Magnetic recording medium
JPS5896706A (en) * 1981-12-04 1983-06-08 Tdk Corp Magnetic recording medium
JPH0610871B2 (en) * 1984-12-25 1994-02-09 ティーディーケイ株式会社 Magnetic recording medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5147401A (en) * 1974-10-22 1976-04-23 Fuji Photo Film Co Ltd Jikikirokubaitai oyobi sonoseizoho

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5147401A (en) * 1974-10-22 1976-04-23 Fuji Photo Film Co Ltd Jikikirokubaitai oyobi sonoseizoho

Also Published As

Publication number Publication date
JPS5837616B2 (en) 1983-08-17
DE2718739A1 (en) 1977-11-17

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