FR2287085A1 - Procede de protection d'un support d'information lisible optiquement par transmission - Google Patents
Procede de protection d'un support d'information lisible optiquement par transmissionInfo
- Publication number
- FR2287085A1 FR2287085A1 FR7433530A FR7433530A FR2287085A1 FR 2287085 A1 FR2287085 A1 FR 2287085A1 FR 7433530 A FR7433530 A FR 7433530A FR 7433530 A FR7433530 A FR 7433530A FR 2287085 A1 FR2287085 A1 FR 2287085A1
- Authority
- FR
- France
- Prior art keywords
- coating
- sensitivity
- recorded
- signal
- transparent coatings
- 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.)
- Granted
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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7433530A FR2287085A1 (fr) | 1974-10-04 | 1974-10-04 | Procede de protection d'un support d'information lisible optiquement par transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7433530A FR2287085A1 (fr) | 1974-10-04 | 1974-10-04 | Procede de protection d'un support d'information lisible optiquement par transmission |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2287085A1 true FR2287085A1 (fr) | 1976-04-30 |
FR2287085B1 FR2287085B1 (fr) | 1978-09-15 |
Family
ID=9143774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7433530A Granted FR2287085A1 (fr) | 1974-10-04 | 1974-10-04 | Procede de protection d'un support d'information lisible optiquement par transmission |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2287085A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2536895A1 (fr) * | 1982-11-25 | 1984-06-01 | Sony Corp | Support d'enregistrement optique |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1012746A (en) * | 1962-11-07 | 1965-12-08 | Radiation Res Corp | Method of forming a polymeric coating by glow discharge |
FR2079414A7 (en) * | 1970-02-13 | 1971-11-12 | Siemens Ag | Insulating coating applied by gas poly-merisation |
US3703407A (en) * | 1970-12-15 | 1972-11-21 | Rca Corp | Relief phase holograms |
FR2169072A1 (en) * | 1972-01-24 | 1973-09-07 | Balzers Patent Beteilig Ag | Protectively coating lenses or mirrors - by glow discharge in atmos contg organosilicon cpd vapours |
-
1974
- 1974-10-04 FR FR7433530A patent/FR2287085A1/fr active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1012746A (en) * | 1962-11-07 | 1965-12-08 | Radiation Res Corp | Method of forming a polymeric coating by glow discharge |
FR2079414A7 (en) * | 1970-02-13 | 1971-11-12 | Siemens Ag | Insulating coating applied by gas poly-merisation |
US3703407A (en) * | 1970-12-15 | 1972-11-21 | Rca Corp | Relief phase holograms |
FR2169072A1 (en) * | 1972-01-24 | 1973-09-07 | Balzers Patent Beteilig Ag | Protectively coating lenses or mirrors - by glow discharge in atmos contg organosilicon cpd vapours |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2536895A1 (fr) * | 1982-11-25 | 1984-06-01 | Sony Corp | Support d'enregistrement optique |
Also Published As
Publication number | Publication date |
---|---|
FR2287085B1 (fr) | 1978-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |