CN1014562B - 光盘 - Google Patents
光盘Info
- Publication number
- CN1014562B CN1014562B CN89107461.9A CN89107461A CN1014562B CN 1014562 B CN1014562 B CN 1014562B CN 89107461 A CN89107461 A CN 89107461A CN 1014562 B CN1014562 B CN 1014562B
- Authority
- CN
- China
- Prior art keywords
- substrate
- dish
- optical disc
- thermal expansivity
- information recording
- 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
Links
Images
Landscapes
- Magnetic Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP113995/86 | 1986-07-22 | ||
| JP1986113995U JPS6322662U (el) | 1986-07-22 | 1986-07-22 |
Related Parent Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87105175A Division CN1007187B (zh) | 1986-07-22 | 1987-07-21 | 光盘 |
| CN87105175 Division | 1989-09-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1040283A CN1040283A (zh) | 1990-03-07 |
| CN1014562B true CN1014562B (zh) | 1991-10-30 |
Family
ID=14626420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89107461.9A Expired CN1014562B (zh) | 1986-07-22 | 1989-09-19 | 光盘 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6322662U (el) |
| CN (1) | CN1014562B (el) |
-
1986
- 1986-07-22 JP JP1986113995U patent/JPS6322662U/ja active Pending
-
1989
- 1989-09-19 CN CN89107461.9A patent/CN1014562B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6322662U (el) | 1988-02-15 |
| CN1040283A (zh) | 1990-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |