IT1039799B - Procedimento di realizzazione didischi di registrazione disegnali in video frequenza e disco cosi realizzato - Google Patents
Procedimento di realizzazione didischi di registrazione disegnali in video frequenza e disco cosi realizzatoInfo
- Publication number
- IT1039799B IT1039799B IT2540475A IT2540475A IT1039799B IT 1039799 B IT1039799 B IT 1039799B IT 2540475 A IT2540475 A IT 2540475A IT 2540475 A IT2540475 A IT 2540475A IT 1039799 B IT1039799 B IT 1039799B
- Authority
- IT
- Italy
- Prior art keywords
- realization
- disc
- procedure
- drawings
- video frequency
- Prior art date
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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2037—Exposure with X-ray radiation or corpuscular radiation, through a mask with a pattern opaque to that radiation
- G03F7/2039—X-ray radiation
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing Optical Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7424669A FR2279193A1 (fr) | 1974-07-16 | 1974-07-16 | Procede de realisation de disques d'enregistrement de signaux en video-frequence, et disque ainsi realise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1039799B true IT1039799B (it) | 1979-12-10 |
Family
ID=9141326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2540475A IT1039799B (it) | 1974-07-16 | 1975-07-15 | Procedimento di realizzazione didischi di registrazione disegnali in video frequenza e disco cosi realizzato |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5133920A (cs) |
| FR (1) | FR2279193A1 (cs) |
| GB (1) | GB1522951A (cs) |
| IT (1) | IT1039799B (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5954051A (ja) * | 1982-09-20 | 1984-03-28 | Pioneer Electronic Corp | 光学式情報記録担体及びその製造方法 |
| JPH0770092B2 (ja) * | 1984-09-28 | 1995-07-31 | 共同印刷株式会社 | 光読み取りカ−ド及びその製造方法 |
| JPH0648545B2 (ja) * | 1986-01-21 | 1994-06-22 | 共同印刷株式会社 | プリフォーマッティング用ピットのパターンを持った光記録媒体及びその製造方法 |
| US5248990A (en) * | 1987-04-16 | 1993-09-28 | Canon Kabushiki Kaisha | Process for producing optical recording medium for optical data recording and reproduction |
-
1974
- 1974-07-16 FR FR7424669A patent/FR2279193A1/fr active Granted
-
1975
- 1975-07-15 GB GB2972675A patent/GB1522951A/en not_active Expired
- 1975-07-15 IT IT2540475A patent/IT1039799B/it active
- 1975-07-16 JP JP8715075A patent/JPS5133920A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2531562B2 (de) | 1977-04-07 |
| DE2531562A1 (de) | 1976-02-05 |
| JPS5133920A (ja) | 1976-03-23 |
| GB1522951A (en) | 1978-08-31 |
| FR2279193B1 (cs) | 1978-09-15 |
| FR2279193A1 (fr) | 1976-02-13 |
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