JPH01181129U - - Google Patents
Info
- Publication number
- JPH01181129U JPH01181129U JP1988077107U JP7710788U JPH01181129U JP H01181129 U JPH01181129 U JP H01181129U JP 1988077107 U JP1988077107 U JP 1988077107U JP 7710788 U JP7710788 U JP 7710788U JP H01181129 U JPH01181129 U JP H01181129U
- Authority
- JP
- Japan
- Prior art keywords
- disk substrate
- coating
- recording layer
- optical information
- spin
- 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 5
- 239000010410 layer Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000004528 spin coating Methods 0.000 claims 2
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第1図、第2図はそれぞれ本考案の異なる実施
例の部分拡大断面図、第3図は光情報記録デイス
クの全体を表した構成断面図、第4図、第5図は
それぞれ従来技術で製作された光情報記録デイス
クの部分拡大断面図である。各図において、
1:デイスク基板、1a:斜めカツトの切欠部
、3:記録層、4:保護層。
1 and 2 are partially enlarged cross-sectional views of different embodiments of the present invention, FIG. 3 is a structural cross-sectional view showing the entire optical information recording disk, and FIGS. 4 and 5 are respectively of the prior art. FIG. 3 is a partially enlarged sectional view of the manufactured optical information recording disk. In each figure, 1: disk substrate, 1a: diagonally cut notch, 3: recording layer, 4: protective layer.
Claims (1)
した記録層と、該記録層の表面を覆つてデイスク
基板上の全面域にコーテイング材をスピンコート
した保護層とを有する光情報記録媒体において、
デイスク基板における記録層側の外周縁部に斜め
カツトした切欠部を形成した上で、デイスク基板
上にコーテイング材をスピンコートして保護層を
形成したことを特徴とする光情報記録媒体。 An optical information recording medium having a recording layer formed on a disk substrate with its inner and outer peripheral edges remaining, and a protective layer covering the surface of the recording layer and spin-coating a coating material over the entire area of the disk substrate,
An optical information recording medium characterized in that a diagonally cut notch is formed in the outer peripheral edge of the disk substrate on the recording layer side, and a protective layer is formed by spin-coating a coating material on the disk substrate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988077107U JPH01181129U (en) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988077107U JPH01181129U (en) | 1988-06-10 | 1988-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01181129U true JPH01181129U (en) | 1989-12-27 |
Family
ID=31302104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988077107U Pending JPH01181129U (en) | 1988-06-10 | 1988-06-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01181129U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11203724A (en) * | 1998-01-09 | 1999-07-30 | Sony Corp | Optical disk and its production |
WO2004107333A1 (en) * | 2003-05-30 | 2004-12-09 | Dainippon Ink And Chemicals, Inc. | Ink jet-use receptive layer forming method and device, and disk formed with ink jet-use receptive layer |
JP2005063573A (en) * | 2003-08-14 | 2005-03-10 | Sony Corp | Manufacturing method of optical disk medium |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58137146A (en) * | 1982-02-05 | 1983-08-15 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing disc |
JPS6479948A (en) * | 1987-09-22 | 1989-03-24 | Hitachi Maxell | Optical information recording disk |
-
1988
- 1988-06-10 JP JP1988077107U patent/JPH01181129U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58137146A (en) * | 1982-02-05 | 1983-08-15 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing disc |
JPS6479948A (en) * | 1987-09-22 | 1989-03-24 | Hitachi Maxell | Optical information recording disk |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11203724A (en) * | 1998-01-09 | 1999-07-30 | Sony Corp | Optical disk and its production |
WO2004107333A1 (en) * | 2003-05-30 | 2004-12-09 | Dainippon Ink And Chemicals, Inc. | Ink jet-use receptive layer forming method and device, and disk formed with ink jet-use receptive layer |
JP2005063573A (en) * | 2003-08-14 | 2005-03-10 | Sony Corp | Manufacturing method of optical disk medium |