JPS5339709A - Preparation of magnetic recording medium - Google Patents

Preparation of magnetic recording medium

Info

Publication number
JPS5339709A
JPS5339709A JP11453976A JP11453976A JPS5339709A JP S5339709 A JPS5339709 A JP S5339709A JP 11453976 A JP11453976 A JP 11453976A JP 11453976 A JP11453976 A JP 11453976A JP S5339709 A JPS5339709 A JP S5339709A
Authority
JP
Japan
Prior art keywords
preparation
recording medium
magnetic recording
αfe
shortening
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.)
Pending
Application number
JP11453976A
Other languages
Japanese (ja)
Inventor
Katsuhiko Nakagawa
Koichi Makino
Masaki Shinohara
Kazuo Kobayashi
Seiji Hattori
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.)
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP11453976A priority Critical patent/JPS5339709A/en
Publication of JPS5339709A publication Critical patent/JPS5339709A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve working efficiency to reduce electric power consumption by shortening the time in the steps of reduction and oxidation of αFe2O3 type oxides for magnetic disc by converting reducing atmosphere to oxidizing atmosphere after gas replacement or vacuum evacuation.
COPYRIGHT: (C)1978,JPO&Japio
JP11453976A 1976-09-24 1976-09-24 Preparation of magnetic recording medium Pending JPS5339709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11453976A JPS5339709A (en) 1976-09-24 1976-09-24 Preparation of magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11453976A JPS5339709A (en) 1976-09-24 1976-09-24 Preparation of magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5339709A true JPS5339709A (en) 1978-04-11

Family

ID=14640280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11453976A Pending JPS5339709A (en) 1976-09-24 1976-09-24 Preparation of magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5339709A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013505360A (en) * 2009-09-23 2013-02-14 ゲーカーエヌ・ジンター・メタルス・ホールディング・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Method for producing a green compact

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051512A (en) * 1973-09-10 1975-05-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051512A (en) * 1973-09-10 1975-05-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013505360A (en) * 2009-09-23 2013-02-14 ゲーカーエヌ・ジンター・メタルス・ホールディング・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Method for producing a green compact
US9662708B2 (en) 2009-09-23 2017-05-30 Gkn Sinter Metals Holding Gmbh Method for producing a green compact

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