JPS6434655A - Disc machining method and device therefor - Google Patents

Disc machining method and device therefor

Info

Publication number
JPS6434655A
JPS6434655A JP18765787A JP18765787A JPS6434655A JP S6434655 A JPS6434655 A JP S6434655A JP 18765787 A JP18765787 A JP 18765787A JP 18765787 A JP18765787 A JP 18765787A JP S6434655 A JPS6434655 A JP S6434655A
Authority
JP
Japan
Prior art keywords
disc
primary
fine groove
pressing force
relative speed
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
JP18765787A
Other languages
English (en)
Other versions
JPH0647230B2 (ja
Inventor
Takao Nakamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62187657A priority Critical patent/JPH0647230B2/ja
Publication of JPS6434655A publication Critical patent/JPS6434655A/ja
Priority to US07/933,893 priority patent/US5985402A/en
Publication of JPH0647230B2 publication Critical patent/JPH0647230B2/ja
Priority to US08/673,470 priority patent/US5737159A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP62187657A 1986-12-19 1987-07-29 円板加工方法およびその装置 Expired - Lifetime JPH0647230B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP62187657A JPH0647230B2 (ja) 1987-07-29 1987-07-29 円板加工方法およびその装置
US07/933,893 US5985402A (en) 1986-12-19 1992-08-24 Magnetic disk and its manufacturing method
US08/673,470 US5737159A (en) 1987-07-29 1996-07-01 Magnetic disk and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62187657A JPH0647230B2 (ja) 1987-07-29 1987-07-29 円板加工方法およびその装置

Publications (2)

Publication Number Publication Date
JPS6434655A true JPS6434655A (en) 1989-02-06
JPH0647230B2 JPH0647230B2 (ja) 1994-06-22

Family

ID=16209914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62187657A Expired - Lifetime JPH0647230B2 (ja) 1986-12-19 1987-07-29 円板加工方法およびその装置

Country Status (1)

Country Link
JP (1) JPH0647230B2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03147518A (ja) * 1989-11-02 1991-06-24 Internatl Business Mach Corp <Ibm> 磁気デイスクの仕上げ加工方法及び装置
CN1313035C (zh) * 2002-02-22 2007-05-02 大日本印刷株式会社 固态物的灭菌方法及灭菌装置
JP2014237196A (ja) * 2013-06-10 2014-12-18 ワイエイシイ株式会社 基板表面加工装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645659A (en) * 1987-06-29 1989-01-10 Toshiba Ceramics Co Method for repairing plate brick for flow rate control device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764332A (en) * 1980-10-02 1982-04-19 Fujitsu Ltd Surface finishing method of magnetic recording disk
JPS59148134A (ja) * 1983-02-14 1984-08-24 Hitachi Ltd 磁気デイスク媒体の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764332A (en) * 1980-10-02 1982-04-19 Fujitsu Ltd Surface finishing method of magnetic recording disk
JPS59148134A (ja) * 1983-02-14 1984-08-24 Hitachi Ltd 磁気デイスク媒体の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03147518A (ja) * 1989-11-02 1991-06-24 Internatl Business Mach Corp <Ibm> 磁気デイスクの仕上げ加工方法及び装置
CN1313035C (zh) * 2002-02-22 2007-05-02 大日本印刷株式会社 固态物的灭菌方法及灭菌装置
JP2014237196A (ja) * 2013-06-10 2014-12-18 ワイエイシイ株式会社 基板表面加工装置

Also Published As

Publication number Publication date
JPH0647230B2 (ja) 1994-06-22

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