JPS63141420U - - Google Patents

Info

Publication number
JPS63141420U
JPS63141420U JP3429887U JP3429887U JPS63141420U JP S63141420 U JPS63141420 U JP S63141420U JP 3429887 U JP3429887 U JP 3429887U JP 3429887 U JP3429887 U JP 3429887U JP S63141420 U JPS63141420 U JP S63141420U
Authority
JP
Japan
Prior art keywords
pit pattern
detection device
recording layer
substrate
recorded
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.)
Pending
Application number
JP3429887U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP3429887U priority Critical patent/JPS63141420U/ja
Publication of JPS63141420U publication Critical patent/JPS63141420U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP3429887U 1987-03-07 1987-03-07 Pending JPS63141420U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3429887U JPS63141420U (enrdf_load_stackoverflow) 1987-03-07 1987-03-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3429887U JPS63141420U (enrdf_load_stackoverflow) 1987-03-07 1987-03-07

Publications (1)

Publication Number Publication Date
JPS63141420U true JPS63141420U (enrdf_load_stackoverflow) 1988-09-19

Family

ID=30842712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3429887U Pending JPS63141420U (enrdf_load_stackoverflow) 1987-03-07 1987-03-07

Country Status (1)

Country Link
JP (1) JPS63141420U (enrdf_load_stackoverflow)

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