JPH0534728B2 - - Google Patents

Info

Publication number
JPH0534728B2
JPH0534728B2 JP61243438A JP24343886A JPH0534728B2 JP H0534728 B2 JPH0534728 B2 JP H0534728B2 JP 61243438 A JP61243438 A JP 61243438A JP 24343886 A JP24343886 A JP 24343886A JP H0534728 B2 JPH0534728 B2 JP H0534728B2
Authority
JP
Japan
Prior art keywords
film
diamond
recording layer
carbon
durability
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.)
Expired - Lifetime
Application number
JP61243438A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6398825A (ja
Inventor
Hideo Kurokawa
Tsutomu Mitani
Masaru Odagiri
Taketoshi Yonezawa
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 JP24343886A priority Critical patent/JPS6398825A/ja
Priority to US07/027,895 priority patent/US4833031A/en
Priority to DE8787104123T priority patent/DE3773239D1/de
Priority to EP87104123A priority patent/EP0239028B1/en
Publication of JPS6398825A publication Critical patent/JPS6398825A/ja
Publication of JPH0534728B2 publication Critical patent/JPH0534728B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
JP24343886A 1986-03-20 1986-10-14 磁気記録媒体 Granted JPS6398825A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP24343886A JPS6398825A (ja) 1986-10-14 1986-10-14 磁気記録媒体
US07/027,895 US4833031A (en) 1986-03-20 1987-03-19 Magnetic recording medium
DE8787104123T DE3773239D1 (de) 1986-03-20 1987-03-20 Magnetisches aufzeichnungsmedium.
EP87104123A EP0239028B1 (en) 1986-03-20 1987-03-20 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24343886A JPS6398825A (ja) 1986-10-14 1986-10-14 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS6398825A JPS6398825A (ja) 1988-04-30
JPH0534728B2 true JPH0534728B2 (enrdf_load_html_response) 1993-05-24

Family

ID=17103874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24343886A Granted JPS6398825A (ja) 1986-03-20 1986-10-14 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS6398825A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009099247A (ja) * 2007-09-28 2009-05-07 Hoya Corp 垂直磁気記録媒体およびその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127232A (ja) * 1983-01-11 1984-07-23 Seiko Epson Corp 磁気記録媒体
JPS61105720A (ja) * 1984-10-26 1986-05-23 Denki Kagaku Kogyo Kk 磁気記憶媒体
JPS61210518A (ja) * 1985-03-13 1986-09-18 Matsushita Electric Ind Co Ltd 磁気記録媒体の製造方法

Also Published As

Publication number Publication date
JPS6398825A (ja) 1988-04-30

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term