JPS62194472A - 記録媒体の欠陥位置検出方法 - Google Patents

記録媒体の欠陥位置検出方法

Info

Publication number
JPS62194472A
JPS62194472A JP3522586A JP3522586A JPS62194472A JP S62194472 A JPS62194472 A JP S62194472A JP 3522586 A JP3522586 A JP 3522586A JP 3522586 A JP3522586 A JP 3522586A JP S62194472 A JPS62194472 A JP S62194472A
Authority
JP
Japan
Prior art keywords
disk
mark
index point
flaw
rotation
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
JP3522586A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0577029B2 (enExample
Inventor
Akihiko Waki
脇　昭彦
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 High Tech Corp
Original Assignee
Hitachi Electronics Engineering Co 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 Electronics Engineering Co Ltd filed Critical Hitachi Electronics Engineering Co Ltd
Priority to JP3522586A priority Critical patent/JPS62194472A/ja
Publication of JPS62194472A publication Critical patent/JPS62194472A/ja
Publication of JPH0577029B2 publication Critical patent/JPH0577029B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Measuring Magnetic Variables (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP3522586A 1986-02-21 1986-02-21 記録媒体の欠陥位置検出方法 Granted JPS62194472A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3522586A JPS62194472A (ja) 1986-02-21 1986-02-21 記録媒体の欠陥位置検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3522586A JPS62194472A (ja) 1986-02-21 1986-02-21 記録媒体の欠陥位置検出方法

Publications (2)

Publication Number Publication Date
JPS62194472A true JPS62194472A (ja) 1987-08-26
JPH0577029B2 JPH0577029B2 (enExample) 1993-10-25

Family

ID=12435897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3522586A Granted JPS62194472A (ja) 1986-02-21 1986-02-21 記録媒体の欠陥位置検出方法

Country Status (1)

Country Link
JP (1) JPS62194472A (enExample)

Also Published As

Publication number Publication date
JPH0577029B2 (enExample) 1993-10-25

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