JPS51135649A - Recording member - Google Patents
Recording memberInfo
- Publication number
- JPS51135649A JPS51135649A JP50060030A JP6003075A JPS51135649A JP S51135649 A JPS51135649 A JP S51135649A JP 50060030 A JP50060030 A JP 50060030A JP 6003075 A JP6003075 A JP 6003075A JP S51135649 A JPS51135649 A JP S51135649A
- Authority
- JP
- Japan
- Prior art keywords
- recording member
- layer
- recording
- resolution
- improve
- 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
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
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
PURPOSE:To improve the mechanical strength and resolution of a recording member having a bismuth layer as a laser recording layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50060030A JPS51135649A (en) | 1975-05-20 | 1975-05-20 | Recording member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50060030A JPS51135649A (en) | 1975-05-20 | 1975-05-20 | Recording member |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51135649A true JPS51135649A (en) | 1976-11-24 |
Family
ID=13130252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50060030A Pending JPS51135649A (en) | 1975-05-20 | 1975-05-20 | Recording member |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51135649A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0023674A2 (en) * | 1979-08-01 | 1981-02-11 | Kabushiki Kaisha Toshiba | An optical recording element and a method of manufacturing the same |
JPS5692096A (en) * | 1979-12-26 | 1981-07-25 | Fujitsu Ltd | Optical recording medium |
JPS5746337A (en) * | 1980-07-21 | 1982-03-16 | Drexler Tech | Optical data memory and record medium with interchageable protection cover plate |
JPS57150151A (en) * | 1981-03-11 | 1982-09-16 | Asahi Denka Kogyo Kk | Optical disc with coated surface |
JPS58199449A (en) * | 1982-05-18 | 1983-11-19 | Nec Corp | Optical recording medium |
JPS58224446A (en) * | 1982-06-23 | 1983-12-26 | Hitachi Ltd | Recording material |
JPS6082386A (en) * | 1983-10-12 | 1985-05-10 | Fuji Photo Film Co Ltd | Laser recording material |
JPS61142542A (en) * | 1985-10-21 | 1986-06-30 | Canon Inc | Recording medium |
WO1990000299A1 (en) * | 1988-07-01 | 1990-01-11 | Sony Corporation | Optical recording medium and a method of producing the same |
US5364735A (en) * | 1988-07-01 | 1994-11-15 | Sony Corporation | Multiple layer optical record medium with protective layers and method for producing same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4830437A (en) * | 1971-08-23 | 1973-04-21 | ||
JPS4959215A (en) * | 1972-10-11 | 1974-06-08 | ||
JPS4990568A (en) * | 1972-12-27 | 1974-08-29 | ||
JPS502459A (en) * | 1973-05-08 | 1975-01-11 |
-
1975
- 1975-05-20 JP JP50060030A patent/JPS51135649A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4830437A (en) * | 1971-08-23 | 1973-04-21 | ||
JPS4959215A (en) * | 1972-10-11 | 1974-06-08 | ||
JPS4990568A (en) * | 1972-12-27 | 1974-08-29 | ||
JPS502459A (en) * | 1973-05-08 | 1975-01-11 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5621892A (en) * | 1979-08-01 | 1981-02-28 | Toshiba Corp | Optical recorder and its manufacturing method |
EP0023674A2 (en) * | 1979-08-01 | 1981-02-11 | Kabushiki Kaisha Toshiba | An optical recording element and a method of manufacturing the same |
JPS5692096A (en) * | 1979-12-26 | 1981-07-25 | Fujitsu Ltd | Optical recording medium |
JPS5746337A (en) * | 1980-07-21 | 1982-03-16 | Drexler Tech | Optical data memory and record medium with interchageable protection cover plate |
JPH0316696B2 (en) * | 1981-03-11 | 1991-03-06 | Asahi Denka Kogyo Kk | |
JPS57150151A (en) * | 1981-03-11 | 1982-09-16 | Asahi Denka Kogyo Kk | Optical disc with coated surface |
JPS58199449A (en) * | 1982-05-18 | 1983-11-19 | Nec Corp | Optical recording medium |
JPH0555938B2 (en) * | 1982-05-18 | 1993-08-18 | Nippon Electric Co | |
JPS58224446A (en) * | 1982-06-23 | 1983-12-26 | Hitachi Ltd | Recording material |
JPS6082386A (en) * | 1983-10-12 | 1985-05-10 | Fuji Photo Film Co Ltd | Laser recording material |
JPH0569716B2 (en) * | 1983-10-12 | 1993-10-01 | Fuji Photo Film Co Ltd | |
JPS61142542A (en) * | 1985-10-21 | 1986-06-30 | Canon Inc | Recording medium |
JPH0427612B2 (en) * | 1985-10-21 | 1992-05-12 | Canon Kk | |
WO1990000299A1 (en) * | 1988-07-01 | 1990-01-11 | Sony Corporation | Optical recording medium and a method of producing the same |
US5364735A (en) * | 1988-07-01 | 1994-11-15 | Sony Corporation | Multiple layer optical record medium with protective layers and method for producing same |
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