JPH01133227U - - Google Patents
Info
- Publication number
- JPH01133227U JPH01133227U JP1988024161U JP2416188U JPH01133227U JP H01133227 U JPH01133227 U JP H01133227U JP 1988024161 U JP1988024161 U JP 1988024161U JP 2416188 U JP2416188 U JP 2416188U JP H01133227 U JPH01133227 U JP H01133227U
- Authority
- JP
- Japan
- Prior art keywords
- substrates
- optical recording
- recording disk
- pair
- groove
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 3
- 239000011241 protective layer Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988024161U JPH0753129Y2 (ja) | 1988-02-25 | 1988-02-25 | 光記録ディスク |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988024161U JPH0753129Y2 (ja) | 1988-02-25 | 1988-02-25 | 光記録ディスク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01133227U true JPH01133227U (en]) | 1989-09-11 |
| JPH0753129Y2 JPH0753129Y2 (ja) | 1995-12-06 |
Family
ID=31243771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988024161U Expired - Lifetime JPH0753129Y2 (ja) | 1988-02-25 | 1988-02-25 | 光記録ディスク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753129Y2 (en]) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023935U (ja) * | 1983-07-25 | 1985-02-19 | 株式会社日立製作所 | 光ディスク |
| JPS60180329U (ja) * | 1984-05-09 | 1985-11-30 | 日本コロムビア株式会社 | 光学式記録媒体用基板 |
| JPS61132535U (en]) * | 1985-02-05 | 1986-08-19 | ||
| JPS62222447A (ja) * | 1986-03-24 | 1987-09-30 | Canon Inc | 光学的記録デイスク |
-
1988
- 1988-02-25 JP JP1988024161U patent/JPH0753129Y2/ja not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023935U (ja) * | 1983-07-25 | 1985-02-19 | 株式会社日立製作所 | 光ディスク |
| JPS60180329U (ja) * | 1984-05-09 | 1985-11-30 | 日本コロムビア株式会社 | 光学式記録媒体用基板 |
| JPS61132535U (en]) * | 1985-02-05 | 1986-08-19 | ||
| JPS62222447A (ja) * | 1986-03-24 | 1987-09-30 | Canon Inc | 光学的記録デイスク |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753129Y2 (ja) | 1995-12-06 |