JPH0250826U - - Google Patents
Info
- Publication number
- JPH0250826U JPH0250826U JP1988127285U JP12728588U JPH0250826U JP H0250826 U JPH0250826 U JP H0250826U JP 1988127285 U JP1988127285 U JP 1988127285U JP 12728588 U JP12728588 U JP 12728588U JP H0250826 U JPH0250826 U JP H0250826U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- protrusion
- substrate
- disk according
- laser beam
- 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 4
- 230000003287 optical effect Effects 0.000 claims 8
- 238000000465 moulding Methods 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988127285U JPH0250826U (de) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988127285U JPH0250826U (de) | 1988-09-30 | 1988-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0250826U true JPH0250826U (de) | 1990-04-10 |
Family
ID=31379579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988127285U Pending JPH0250826U (de) | 1988-09-30 | 1988-09-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0250826U (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02243317A (ja) * | 1989-03-17 | 1990-09-27 | Hitachi Ltd | 光方式ディスク基板とその製造方法 |
JPH0536664U (ja) * | 1991-10-22 | 1993-05-18 | 長野日本電産株式会社 | ダミーデイスク |
JPH06223407A (ja) * | 1993-01-22 | 1994-08-12 | Sharp Corp | フレキシブルディスク |
WO2003069610A1 (fr) * | 2002-02-13 | 2003-08-21 | Sony Corporation | Support d'enregistrement optique de type disque |
KR100595159B1 (ko) * | 1999-01-28 | 2006-07-03 | 엘지전자 주식회사 | 광디스크 |
-
1988
- 1988-09-30 JP JP1988127285U patent/JPH0250826U/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02243317A (ja) * | 1989-03-17 | 1990-09-27 | Hitachi Ltd | 光方式ディスク基板とその製造方法 |
JPH0536664U (ja) * | 1991-10-22 | 1993-05-18 | 長野日本電産株式会社 | ダミーデイスク |
JPH06223407A (ja) * | 1993-01-22 | 1994-08-12 | Sharp Corp | フレキシブルディスク |
KR100595159B1 (ko) * | 1999-01-28 | 2006-07-03 | 엘지전자 주식회사 | 광디스크 |
WO2003069610A1 (fr) * | 2002-02-13 | 2003-08-21 | Sony Corporation | Support d'enregistrement optique de type disque |