JPH0465445B2 - - Google Patents

Info

Publication number
JPH0465445B2
JPH0465445B2 JP59225388A JP22538884A JPH0465445B2 JP H0465445 B2 JPH0465445 B2 JP H0465445B2 JP 59225388 A JP59225388 A JP 59225388A JP 22538884 A JP22538884 A JP 22538884A JP H0465445 B2 JPH0465445 B2 JP H0465445B2
Authority
JP
Japan
Prior art keywords
protective film
film
magnetic
thin film
magnetic storage
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
JP59225388A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61105720A (ja
Inventor
Akihiko Okuda
Toshihiro Ando
Shuichi Hirai
Tooru Nagaoka
Hiroshi Takeno
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP22538884A priority Critical patent/JPS61105720A/ja
Publication of JPS61105720A publication Critical patent/JPS61105720A/ja
Publication of JPH0465445B2 publication Critical patent/JPH0465445B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP22538884A 1984-10-26 1984-10-26 磁気記憶媒体 Granted JPS61105720A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22538884A JPS61105720A (ja) 1984-10-26 1984-10-26 磁気記憶媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22538884A JPS61105720A (ja) 1984-10-26 1984-10-26 磁気記憶媒体

Publications (2)

Publication Number Publication Date
JPS61105720A JPS61105720A (ja) 1986-05-23
JPH0465445B2 true JPH0465445B2 (en]) 1992-10-20

Family

ID=16828576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22538884A Granted JPS61105720A (ja) 1984-10-26 1984-10-26 磁気記憶媒体

Country Status (1)

Country Link
JP (1) JPS61105720A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6398825A (ja) * 1986-10-14 1988-04-30 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPH01125717A (ja) * 1987-11-10 1989-05-18 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPH01245417A (ja) * 1988-03-28 1989-09-29 Matsushita Electric Ind Co Ltd 磁気記録媒体
JP2523839B2 (ja) * 1988-12-09 1996-08-14 松下電器産業株式会社 磁気記録媒体の製造方法
US5030494A (en) * 1989-01-26 1991-07-09 International Business Machines Corporation Carbon overcoat for a thin film magnetic recording disk containing discrete clusters of tungsten (W) or tungsten carbide (WC) which project from the surface of the overcoat
JPH03130919A (ja) * 1989-07-07 1991-06-04 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPH0817052A (ja) * 1994-11-08 1996-01-19 Nec Corp 磁気記憶体およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123477A (ja) * 1974-07-25 1976-02-25 Kawasaki Heavy Ind Ltd Haienchunochitsusosankabutsunokyushuhohonarabini kyushusochi
JPS5321901A (en) * 1976-08-11 1978-02-28 Fujitsu Ltd Formation of carbonized protective film for magnetic recording medium
JPH0650683B2 (ja) * 1982-09-30 1994-06-29 日本電気株式会社 磁気記憶体
JPS6023406A (ja) * 1983-07-18 1985-02-06 Asahi Chem Ind Co Ltd ポリブタジエンの製造方法

Also Published As

Publication number Publication date
JPS61105720A (ja) 1986-05-23

Similar Documents

Publication Publication Date Title
EP0230911B1 (en) Magnetic recording medium
US6682807B2 (en) Magnetic disk comprising a first carbon overcoat having a high SP3 content and a second carbon overcoat having a low SP3 content
JPS60258727A (ja) 磁気記憶媒体
US7175926B2 (en) Dual-layer carbon-based protective overcoats for recording media by filtered cathodic ARC deposition
JPH0465445B2 (en])
JP2549361B2 (ja) 磁気記憶媒体
US5108812A (en) Substrate for a magnetic disk and process for its production
KR960011788B1 (ko) 박막 자기 기록 디스크
JPH07161034A (ja) 磁気記録媒体
JP2001084554A (ja) 磁気記録媒体
JPH0424426B2 (en])
JPS62172521A (ja) 磁気記録媒体
JPS61117727A (ja) 磁気記憶体及びその製造方法
JP2552799B2 (ja) 磁気記憶媒体の製造方法
JP3046846B2 (ja) 磁気記録媒体
JP2577924B2 (ja) 磁気記録媒体
JPS62236116A (ja) 磁気記録媒体
JPH11222676A (ja) 磁気記録媒体の製造方法
JPH0664733B2 (ja) 磁気記憶媒体の製造方法
JP2808738B2 (ja) 薄膜磁気記録媒体
JPH0223522A (ja) 磁気記録媒体の製造方法
JPH04285724A (ja) 磁気記録再生システム
JPH05298689A (ja) 磁気ディスク保護膜の形成方法
JPH0836744A (ja) 磁気記録媒体
JPS63220422A (ja) 磁気記録媒体の製造方法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term