JPS571055B2 - - Google Patents
Info
- Publication number
- JPS571055B2 JPS571055B2 JP1371676A JP1371676A JPS571055B2 JP S571055 B2 JPS571055 B2 JP S571055B2 JP 1371676 A JP1371676 A JP 1371676A JP 1371676 A JP1371676 A JP 1371676A JP S571055 B2 JPS571055 B2 JP S571055B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1371676A JPS5296521A (en) | 1976-02-10 | 1976-02-10 | Production of information recording medium master disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1371676A JPS5296521A (en) | 1976-02-10 | 1976-02-10 | Production of information recording medium master disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5296521A JPS5296521A (en) | 1977-08-13 |
| JPS571055B2 true JPS571055B2 (en) | 1982-01-09 |
Family
ID=11840957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1371676A Granted JPS5296521A (en) | 1976-02-10 | 1976-02-10 | Production of information recording medium master disc |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5296521A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2490858B1 (en) * | 1980-09-25 | 1986-04-04 | Rca Corp | OPTICAL RECORDING MEDIUM WITH VARIABLE SENSITIVITY AND DISC CONTAINING INFORMATION, MADE BY USING SUCH MEDIUM |
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1976
- 1976-02-10 JP JP1371676A patent/JPS5296521A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5296521A (en) | 1977-08-13 |