JPH02135925U - - Google Patents
Info
- Publication number
- JPH02135925U JPH02135925U JP1989046025U JP4602589U JPH02135925U JP H02135925 U JPH02135925 U JP H02135925U JP 1989046025 U JP1989046025 U JP 1989046025U JP 4602589 U JP4602589 U JP 4602589U JP H02135925 U JPH02135925 U JP H02135925U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- disk according
- glass
- recording layer
- information carrying
- 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
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 2
- 239000005345 chemically strengthened glass Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000011241 protective layer Substances 0.000 description 2
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989046025U JPH02135925U (en]) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989046025U JPH02135925U (en]) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135925U true JPH02135925U (en]) | 1990-11-13 |
Family
ID=31560736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989046025U Pending JPH02135925U (en]) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135925U (en]) |
-
1989
- 1989-04-19 JP JP1989046025U patent/JPH02135925U/ja active Pending
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