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
Links
- 239000000758 substrate Substances 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985056330U JPS61174027U (sr) | 1985-04-16 | 1985-04-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985056330U JPS61174027U (sr) | 1985-04-16 | 1985-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61174027U true JPS61174027U (sr) | 1986-10-29 |
Family
ID=30579824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985056330U Pending JPS61174027U (sr) | 1985-04-16 | 1985-04-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61174027U (sr) |
Citations (1)
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 |
-
1985
- 1985-04-16 JP JP1985056330U patent/JPS61174027U/ja active Pending
Patent Citations (1)
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 |