JPH0248980B2 - - Google Patents

Info

Publication number
JPH0248980B2
JPH0248980B2 JP57040779A JP4077982A JPH0248980B2 JP H0248980 B2 JPH0248980 B2 JP H0248980B2 JP 57040779 A JP57040779 A JP 57040779A JP 4077982 A JP4077982 A JP 4077982A JP H0248980 B2 JPH0248980 B2 JP H0248980B2
Authority
JP
Japan
Prior art keywords
head
burnishing
recording medium
protrusions
magnetic disk
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
JP57040779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58159241A (ja
Inventor
Juichi Ootani
Tomio Nakamura
Tatsuo Kawade
Hiromi Matsuishi
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 JP4077982A priority Critical patent/JPS58159241A/ja
Publication of JPS58159241A publication Critical patent/JPS58159241A/ja
Publication of JPH0248980B2 publication Critical patent/JPH0248980B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP4077982A 1982-03-17 1982-03-17 記録媒体の検査方法 Granted JPS58159241A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4077982A JPS58159241A (ja) 1982-03-17 1982-03-17 記録媒体の検査方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4077982A JPS58159241A (ja) 1982-03-17 1982-03-17 記録媒体の検査方法

Publications (2)

Publication Number Publication Date
JPS58159241A JPS58159241A (ja) 1983-09-21
JPH0248980B2 true JPH0248980B2 (en]) 1990-10-26

Family

ID=12590107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4077982A Granted JPS58159241A (ja) 1982-03-17 1982-03-17 記録媒体の検査方法

Country Status (1)

Country Link
JP (1) JPS58159241A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61271622A (ja) * 1985-05-28 1986-12-01 Hitachi Ltd パニツシユ加工用残渣除去機構
JPH067478Y2 (ja) * 1988-06-06 1994-02-23 セイコー精機株式会社 ディスク検査装置のディスククランプ構造

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58113869A (ja) * 1981-12-28 1983-07-06 Fujitsu Ltd 磁気記録媒体の検査装置

Also Published As

Publication number Publication date
JPS58159241A (ja) 1983-09-21

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