JPS54141604A - Optical disk and method of fabricating original disk of optical disk - Google Patents
Optical disk and method of fabricating original disk of optical diskInfo
- Publication number
- JPS54141604A JPS54141604A JP5051278A JP5051278A JPS54141604A JP S54141604 A JPS54141604 A JP S54141604A JP 5051278 A JP5051278 A JP 5051278A JP 5051278 A JP5051278 A JP 5051278A JP S54141604 A JPS54141604 A JP S54141604A
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- disk
- fabricating
- original
- optical
- 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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5051278A JPS54141604A (en) | 1978-04-27 | 1978-04-27 | Optical disk and method of fabricating original disk of optical disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5051278A JPS54141604A (en) | 1978-04-27 | 1978-04-27 | Optical disk and method of fabricating original disk of optical disk |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54141604A true JPS54141604A (en) | 1979-11-05 |
Family
ID=12861010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5051278A Pending JPS54141604A (en) | 1978-04-27 | 1978-04-27 | Optical disk and method of fabricating original disk of optical disk |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54141604A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01269250A (en) * | 1988-04-20 | 1989-10-26 | Hitachi Ltd | Optical disk and formation of pit thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5034508A (en) * | 1973-07-02 | 1975-04-02 |
-
1978
- 1978-04-27 JP JP5051278A patent/JPS54141604A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5034508A (en) * | 1973-07-02 | 1975-04-02 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01269250A (en) * | 1988-04-20 | 1989-10-26 | Hitachi Ltd | Optical disk and formation of pit thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS54130044A (en) | Optical waveguide and method of fabricating same | |
GB2024450B (en) | Semi-scleral contact lenses and methods of making them | |
JPS54138878A (en) | Method of manufacturing multiilayer optical film | |
IL57900A0 (en) | High bandwidth optical waveguides and method of fabrication | |
JPS54158891A (en) | Sheettlike photocell array and method of fabricating same | |
GB2023375B (en) | Loudspeakers and methods of making loudspeakers | |
JPS54138406A (en) | Information disk and method of fabricating same | |
JPS54158244A (en) | Optical fiber terminal member and method of fabricating same | |
JPS55104911A (en) | Cilicagel and method of producing same | |
JPS54158896A (en) | Piezooelectric device and method of fabricating same | |
AU512452B2 (en) | Optical fibre and method of making same | |
JPS54152988A (en) | Semiconductor laser and method of fabricating same | |
DE2966088D1 (en) | Contact lenses and methods of making the same | |
JPS54158883A (en) | Method of fabricating field effect transintor | |
JPS54159204A (en) | Method of fabricating magnetic medium | |
JPS54128356A (en) | Composite lens and method of fabricating same | |
GB2018745A (en) | Method of fabricating large optical preforms | |
JPS5520994A (en) | Diaphragm and its manufacturing method | |
GB2026376B (en) | Mould segment and method of manufacturing same | |
JPS56127940A (en) | Method of forming video disk structure and video disk | |
JPS5598878A (en) | Optical sensor and method of fabricating same | |
JPS54141604A (en) | Optical disk and method of fabricating original disk of optical disk | |
JPS5510293A (en) | Electrostaticctooacoustic transducer and method of manufacturing same | |
JPS5539168A (en) | Fuse and method of fabricating same | |
JPS5519788A (en) | Small radioactive light source and method of manufacturing same |