JPS63130920U - - Google Patents

Info

Publication number
JPS63130920U
JPS63130920U JP1987021540U JP2154087U JPS63130920U JP S63130920 U JPS63130920 U JP S63130920U JP 1987021540 U JP1987021540 U JP 1987021540U JP 2154087 U JP2154087 U JP 2154087U JP S63130920 U JPS63130920 U JP S63130920U
Authority
JP
Japan
Prior art keywords
disk
substrate
bonded together
hole diameter
optical disk
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
JP1987021540U
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 JP1987021540U priority Critical patent/JPS63130920U/ja
Publication of JPS63130920U publication Critical patent/JPS63130920U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP1987021540U 1987-02-16 1987-02-16 Pending JPS63130920U (US07488766-20090210-C00029.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987021540U JPS63130920U (US07488766-20090210-C00029.png) 1987-02-16 1987-02-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987021540U JPS63130920U (US07488766-20090210-C00029.png) 1987-02-16 1987-02-16

Publications (1)

Publication Number Publication Date
JPS63130920U true JPS63130920U (US07488766-20090210-C00029.png) 1988-08-26

Family

ID=30818071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987021540U Pending JPS63130920U (US07488766-20090210-C00029.png) 1987-02-16 1987-02-16

Country Status (1)

Country Link
JP (1) JPS63130920U (US07488766-20090210-C00029.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100582955B1 (ko) * 2001-05-14 2006-05-23 엘지전자 주식회사 비대칭 상하구조의 중앙홀을 갖는 고밀도 광디스크 및 그 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100582955B1 (ko) * 2001-05-14 2006-05-23 엘지전자 주식회사 비대칭 상하구조의 중앙홀을 갖는 고밀도 광디스크 및 그 제조방법

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