JPH05776B2 - - Google Patents

Info

Publication number
JPH05776B2
JPH05776B2 JP2105919A JP10591990A JPH05776B2 JP H05776 B2 JPH05776 B2 JP H05776B2 JP 2105919 A JP2105919 A JP 2105919A JP 10591990 A JP10591990 A JP 10591990A JP H05776 B2 JPH05776 B2 JP H05776B2
Authority
JP
Japan
Prior art keywords
optical memory
centering
memory disk
disk
substrate
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
JP2105919A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0373441A (ja
Inventor
Kenji Oota
Akira Takahashi
Tetsuya Inui
Takao Hiuga
Hideyoshi Yamaoka
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP10591990A priority Critical patent/JPH0373441A/ja
Publication of JPH0373441A publication Critical patent/JPH0373441A/ja
Publication of JPH05776B2 publication Critical patent/JPH05776B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
JP10591990A 1990-04-20 1990-04-20 光メモリ円板の製造方法 Granted JPH0373441A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10591990A JPH0373441A (ja) 1990-04-20 1990-04-20 光メモリ円板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10591990A JPH0373441A (ja) 1990-04-20 1990-04-20 光メモリ円板の製造方法

Publications (2)

Publication Number Publication Date
JPH0373441A JPH0373441A (ja) 1991-03-28
JPH05776B2 true JPH05776B2 (fr) 1993-01-06

Family

ID=14420275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10591990A Granted JPH0373441A (ja) 1990-04-20 1990-04-20 光メモリ円板の製造方法

Country Status (1)

Country Link
JP (1) JPH0373441A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012433C1 (de) * 1980-03-31 1981-10-01 Polygram Gmbh, 2000 Hamburg Vorrichtung zum Zentrieren fuer die Herstellung eines Mittellochs in Platten

Also Published As

Publication number Publication date
JPH0373441A (ja) 1991-03-28

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