JPS60140538A - 媒体欠陥検出方法 - Google Patents

媒体欠陥検出方法

Info

Publication number
JPS60140538A
JPS60140538A JP25036783A JP25036783A JPS60140538A JP S60140538 A JPS60140538 A JP S60140538A JP 25036783 A JP25036783 A JP 25036783A JP 25036783 A JP25036783 A JP 25036783A JP S60140538 A JPS60140538 A JP S60140538A
Authority
JP
Japan
Prior art keywords
defect
track
magnetic head
defect detection
defects
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
JP25036783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0352648B2 (enrdf_load_stackoverflow
Inventor
Fukashi Oi
大井　深
Satoshi Murakami
智 村上
Takuji Ogawa
小河　卓二
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 true JPS60140538A (ja) 1985-07-25
JPH0352648B2 JPH0352648B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284433A (ja) * 1985-10-08 1987-04-17 Hitachi Electronics Eng Co Ltd 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

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284433A (ja) * 1985-10-08 1987-04-17 Hitachi Electronics Eng Co Ltd 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

Also Published As

Publication number Publication date
JPH0352648B2 (enrdf_load_stackoverflow) 1991-08-12

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Legal Events

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