JPS61174027U - - Google Patents

Info

Publication number
JPS61174027U
JPS61174027U JP1985056330U JP5633085U JPS61174027U JP S61174027 U JPS61174027 U JP S61174027U JP 1985056330 U JP1985056330 U JP 1985056330U JP 5633085 U JP5633085 U JP 5633085U JP S61174027 U JPS61174027 U JP S61174027U
Authority
JP
Japan
Prior art keywords
substrate
upper substrate
lower substrate
outer circumferential
circumferential spacer
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
JP1985056330U
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 JP1985056330U priority Critical patent/JPS61174027U/ja
Publication of JPS61174027U publication Critical patent/JPS61174027U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP1985056330U 1985-04-16 1985-04-16 Pending JPS61174027U (US07655688-20100202-C00109.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985056330U JPS61174027U (US07655688-20100202-C00109.png) 1985-04-16 1985-04-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985056330U JPS61174027U (US07655688-20100202-C00109.png) 1985-04-16 1985-04-16

Publications (1)

Publication Number Publication Date
JPS61174027U true JPS61174027U (US07655688-20100202-C00109.png) 1986-10-29

Family

ID=30579824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985056330U Pending JPS61174027U (US07655688-20100202-C00109.png) 1985-04-16 1985-04-16

Country Status (1)

Country Link
JP (1) JPS61174027U (US07655688-20100202-C00109.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897143A (ja) * 1981-12-02 1983-06-09 Hitachi Ltd 記録再生デイスク

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897143A (ja) * 1981-12-02 1983-06-09 Hitachi Ltd 記録再生デイスク

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