JPS6412224U - - Google Patents
Info
- Publication number
- JPS6412224U JPS6412224U JP1987104962U JP10496287U JPS6412224U JP S6412224 U JPS6412224 U JP S6412224U JP 1987104962 U JP1987104962 U JP 1987104962U JP 10496287 U JP10496287 U JP 10496287U JP S6412224 U JPS6412224 U JP S6412224U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- disc
- protective
- transparent plastic
- layer
- 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
- 239000010410 layer Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/24015—Air-sandwiched discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24056—Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® discs
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987104962U JPS6412224U (US07655688-20100202-C00010.png) | 1987-07-08 | 1987-07-08 | |
| US07/199,203 US5036510A (en) | 1987-07-08 | 1988-05-26 | Optical recording disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987104962U JPS6412224U (US07655688-20100202-C00010.png) | 1987-07-08 | 1987-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6412224U true JPS6412224U (US07655688-20100202-C00010.png) | 1989-01-23 |
Family
ID=14394726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987104962U Pending JPS6412224U (US07655688-20100202-C00010.png) | 1987-07-08 | 1987-07-08 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5036510A (US07655688-20100202-C00010.png) |
| JP (1) | JPS6412224U (US07655688-20100202-C00010.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6249509B1 (en) * | 1994-09-29 | 2001-06-19 | Tdk Corporation | Optical device with protective cover |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256937A (ja) * | 1984-06-01 | 1985-12-18 | Matsushita Electric Ind Co Ltd | 光情報担体デイスク |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60258744A (ja) * | 1984-06-04 | 1985-12-20 | Hitachi Ltd | エア密閉型光デイスクとその製造方法 |
| JPS6145731U (ja) * | 1984-08-23 | 1986-03-26 | パイオニア株式会社 | 光学式情報記録担体 |
| JPS61104346A (ja) * | 1984-10-23 | 1986-05-22 | Canon Inc | 光磁気記録媒体 |
| JPS63171443A (ja) * | 1987-01-08 | 1988-07-15 | Seiko Epson Corp | 光記録媒体 |
| US4871601A (en) * | 1987-02-25 | 1989-10-03 | Canon Kabushiki Kaisha | Optical information recording carrier |
| US4871602A (en) * | 1988-06-29 | 1989-10-03 | Ken Luker | Floor mat with band of higher density tufting |
-
1987
- 1987-07-08 JP JP1987104962U patent/JPS6412224U/ja active Pending
-
1988
- 1988-05-26 US US07/199,203 patent/US5036510A/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256937A (ja) * | 1984-06-01 | 1985-12-18 | Matsushita Electric Ind Co Ltd | 光情報担体デイスク |
Also Published As
| Publication number | Publication date |
|---|---|
| US5036510A (en) | 1991-07-30 |
