FR2313733A2 - Support d'information lisible optiquement par transmission et procede de fabrication dudit support - Google Patents
Support d'information lisible optiquement par transmission et procede de fabrication dudit supportInfo
- Publication number
- FR2313733A2 FR2313733A2 FR7517796A FR7517796A FR2313733A2 FR 2313733 A2 FR2313733 A2 FR 2313733A2 FR 7517796 A FR7517796 A FR 7517796A FR 7517796 A FR7517796 A FR 7517796A FR 2313733 A2 FR2313733 A2 FR 2313733A2
- Authority
- FR
- France
- Prior art keywords
- film
- impressions
- protective layer
- information recorded
- cellulose nitrate
- 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
- 239000011241 protective layer Substances 0.000 title abstract 4
- 239000000020 Nitrocellulose Substances 0.000 title 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 title 1
- 229920001220 nitrocellulos Polymers 0.000 title 1
- 239000010410 layer Substances 0.000 abstract 1
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
-
- 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
- G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
-
- 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
- G11B7/24003—Shapes of record carriers other than disc shape
- G11B7/24009—Tapes, long films or long sheets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7517796A FR2313733A2 (fr) | 1974-06-21 | 1975-06-06 | Support d'information lisible optiquement par transmission et procede de fabrication dudit support |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7421662A FR2275841A1 (fr) | 1974-06-21 | 1974-06-21 | Support d'information lisible optiquement par transmission et procede de fabrication dudit support |
| FR7517796A FR2313733A2 (fr) | 1974-06-21 | 1975-06-06 | Support d'information lisible optiquement par transmission et procede de fabrication dudit support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2313733A2 true FR2313733A2 (fr) | 1976-12-31 |
| FR2313733B2 FR2313733B2 (show.php) | 1979-06-08 |
Family
ID=26218396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7517796A Granted FR2313733A2 (fr) | 1974-06-21 | 1975-06-06 | Support d'information lisible optiquement par transmission et procede de fabrication dudit support |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2313733A2 (show.php) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060017A1 (en) * | 1981-03-05 | 1982-09-15 | Minnesota Mining And Manufacturing Company | Stretched-film optical recording disc |
| EP0067095A3 (en) * | 1981-05-18 | 1985-01-02 | Eastman Kodak Company | Method for making rigid optical discs |
-
1975
- 1975-06-06 FR FR7517796A patent/FR2313733A2/fr active Granted
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060017A1 (en) * | 1981-03-05 | 1982-09-15 | Minnesota Mining And Manufacturing Company | Stretched-film optical recording disc |
| EP0067095A3 (en) * | 1981-05-18 | 1985-01-02 | Eastman Kodak Company | Method for making rigid optical discs |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2313733B2 (show.php) | 1979-06-08 |
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