JPS61222031A - 磁気デイスクの製造方法 - Google Patents

磁気デイスクの製造方法

Info

Publication number
JPS61222031A
JPS61222031A JP4582185A JP4582185A JPS61222031A JP S61222031 A JPS61222031 A JP S61222031A JP 4582185 A JP4582185 A JP 4582185A JP 4582185 A JP4582185 A JP 4582185A JP S61222031 A JPS61222031 A JP S61222031A
Authority
JP
Japan
Prior art keywords
center
disk
sputtering
film thickness
width
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
JP4582185A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0330925B2 (enExample
Inventor
Yoshisuki Kitamoto
北本　善透
Kazunori Tani
和憲 谷
Yusaku Sakai
雄作 酒井
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
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4582185A priority Critical patent/JPS61222031A/ja
Publication of JPS61222031A publication Critical patent/JPS61222031A/ja
Publication of JPH0330925B2 publication Critical patent/JPH0330925B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Physical Vapour Deposition (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP4582185A 1985-03-08 1985-03-08 磁気デイスクの製造方法 Granted JPS61222031A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4582185A JPS61222031A (ja) 1985-03-08 1985-03-08 磁気デイスクの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4582185A JPS61222031A (ja) 1985-03-08 1985-03-08 磁気デイスクの製造方法

Publications (2)

Publication Number Publication Date
JPS61222031A true JPS61222031A (ja) 1986-10-02
JPH0330925B2 JPH0330925B2 (enExample) 1991-05-01

Family

ID=12729912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4582185A Granted JPS61222031A (ja) 1985-03-08 1985-03-08 磁気デイスクの製造方法

Country Status (1)

Country Link
JP (1) JPS61222031A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0325718A (ja) * 1989-06-23 1991-02-04 Fujitsu Ltd 磁気記録媒体およびその製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862829A (ja) * 1981-10-08 1983-04-14 Nec Corp 磁気記録体及びその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862829A (ja) * 1981-10-08 1983-04-14 Nec Corp 磁気記録体及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0325718A (ja) * 1989-06-23 1991-02-04 Fujitsu Ltd 磁気記録媒体およびその製造方法

Also Published As

Publication number Publication date
JPH0330925B2 (enExample) 1991-05-01

Similar Documents

Publication Publication Date Title
US5923491A (en) Disk drive servo control system with selectable filtering for reduction of repeatable runout
US5708581A (en) Method for maximizing feedforward orthogonality for minimizing servo system nuller instability
US6754032B1 (en) Method and system for radial and circumferential alignment of data tracks on patterned media
JPS61222031A (ja) 磁気デイスクの製造方法
JP3042794B2 (ja) 位置決め信号書込装置及び位置決め信号書込方法
US5382345A (en) Apparatus for simultaneously coating a film of magneto-optical recording medium on a plurality of disk substrates
EP0845140B1 (en) Improved chatter reduction in sliding mode control of a disk drive actuator
US5225955A (en) Disk-shaped magnetic recording medium having novel textured surface
JP3277951B2 (ja) 光ディスク用保護膜の形成方法
US9025263B2 (en) Write current and fly height adjustment for compensating media coercivity variation
JP3511687B2 (ja) 光ディスク及びその製造方法
JPH0817153A (ja) ハードディスク装置用ヘッドのサーボ方法及び装置
US5519682A (en) Method of and apparatus for recording digital data on an optical disk with two optical heads
JPH0352137A (ja) 相変化型光ディスク
JP2544776B2 (ja) 光学的記録用媒体
JP2633479B2 (ja) Ｍｒヘッドのサーボ方法及びハードディスクシステム
JP2943607B2 (ja) 光磁気記録媒体の製造方法
JP2632671B2 (ja) 光デイスクの製造方法
JPS63228445A (ja) 光磁気デイスク
JPS6364631A (ja) 磁気デイスクの製造方法
JPS61280016A (ja) 磁気記録再生装置
JPS61194623A (ja) 記録媒体
JP2002269937A (ja) 磁気ディスク、磁気ディスク装置、及びサーボ記録方法
JPH06103586B2 (ja) 磁気記録デイスク・フアイルにおいてスライダの空気ベアリング表面に保護膜を形成する方法
JPS583298B2 (ja) ジヨウホウキロクバイタイゲンバン ノ セイゾウホウホウ