JPH0352648B2 - - Google Patents

Info

Publication number
JPH0352648B2
JPH0352648B2 JP58250367A JP25036783A JPH0352648B2 JP H0352648 B2 JPH0352648 B2 JP H0352648B2 JP 58250367 A JP58250367 A JP 58250367A JP 25036783 A JP25036783 A JP 25036783A JP H0352648 B2 JPH0352648 B2 JP H0352648B2
Authority
JP
Japan
Prior art keywords
track
defect
defect detection
magnetic head
medium
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
JP58250367A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60140538A (ja
Inventor
Fukashi Ooi
Satoshi Murakami
Takuji Ogawa
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 JP25036783A priority Critical patent/JPS60140538A/ja
Publication of JPS60140538A publication Critical patent/JPS60140538A/ja
Publication of JPH0352648B2 publication Critical patent/JPH0352648B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
JP25036783A 1983-12-28 1983-12-28 媒体欠陥検出方法 Granted JPS60140538A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25036783A JPS60140538A (ja) 1983-12-28 1983-12-28 媒体欠陥検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25036783A JPS60140538A (ja) 1983-12-28 1983-12-28 媒体欠陥検出方法

Publications (2)

Publication Number Publication Date
JPS60140538A JPS60140538A (ja) 1985-07-25
JPH0352648B2 true JPH0352648B2 (enExample) 1991-08-12

Family

ID=17206866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25036783A Granted JPS60140538A (ja) 1983-12-28 1983-12-28 媒体欠陥検出方法

Country Status (1)

Country Link
JP (1) JPS60140538A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0652586B2 (ja) * 1985-10-08 1994-07-06 日立電子エンジニアリング株式会社 光デイスク検査装置
JPH03237663A (ja) * 1990-02-13 1991-10-23 Fuji Electric Co Ltd ディスク記憶装置の記録媒体欠陥検査方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5913907A (ja) * 1982-07-14 1984-01-24 Fujitsu Ltd 磁気デイスク媒体の突起検出装置

Also Published As

Publication number Publication date
JPS60140538A (ja) 1985-07-25

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees