FR2321743B1 - - Google Patents
Info
- Publication number
- FR2321743B1 FR2321743B1 FR7625333A FR7625333A FR2321743B1 FR 2321743 B1 FR2321743 B1 FR 2321743B1 FR 7625333 A FR7625333 A FR 7625333A FR 7625333 A FR7625333 A FR 7625333A FR 2321743 B1 FR2321743 B1 FR 2321743B1
- Authority
- FR
- France
- 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
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
- G11B9/061—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers
- G11B9/063—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers characterised by the selection of the material
- G11B9/067—Dielectric layers; Processes for providing electrical conductivity to them
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/606,655 US4206256A (en) | 1975-08-21 | 1975-08-21 | Metallized video disc having an insulating layer thereon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2321743A1 FR2321743A1 (fr) | 1977-03-18 |
| FR2321743B1 true FR2321743B1 (show.php) | 1982-04-16 |
Family
ID=24428903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7625333A Granted FR2321743A1 (fr) | 1975-08-21 | 1976-08-20 | Support et moyen d'enregistrement d'informations video |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4206256A (show.php) |
| JP (1) | JPS5226820A (show.php) |
| DE (1) | DE2636501A1 (show.php) |
| FR (1) | FR2321743A1 (show.php) |
| IT (1) | IT1061815B (show.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307156A (en) * | 1978-06-13 | 1981-12-22 | Nippon Electric Co., Ltd. | Magnetic record member |
| IT1123480B (it) * | 1978-08-29 | 1986-04-30 | Rca Corp | Lubrificanti per videodischi |
| US4216970A (en) * | 1979-03-05 | 1980-08-12 | Rca Corporation | Video disc lubricants |
| JPS6099965A (ja) * | 1983-11-02 | 1985-06-03 | 株式会社日立製作所 | 吸収式冷温水機 |
| US4596733A (en) * | 1983-12-30 | 1986-06-24 | International Business Machines Corporation | Electroerosion recording material with polyorganosiloxane overlayer |
| JP2002536778A (ja) | 1999-02-12 | 2002-10-29 | ゼネラル・エレクトリック・カンパニイ | データ記憶媒体 |
| US7179551B2 (en) | 1999-02-12 | 2007-02-20 | General Electric Company | Poly(arylene ether) data storage media |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843399A (en) * | 1972-04-19 | 1974-10-22 | Rca Corp | Metallized video disc having an insulating layer thereon |
| US3833408A (en) * | 1972-04-19 | 1974-09-03 | Rca Corp | Video discs having a methyl alkyl silicone coating |
| US3882214A (en) * | 1973-02-09 | 1975-05-06 | Rca Corp | Trapezoidal smooth grooves for video disc |
| US3901994A (en) * | 1974-02-04 | 1975-08-26 | Rca Corp | Metallized video disc having a dielectric coating thereon |
| US4018945A (en) * | 1975-06-19 | 1977-04-19 | Rca Corporation | Method of making a metallized video disc having an insulating layer thereon |
| US3982066A (en) * | 1975-07-25 | 1976-09-21 | Rca Corporation | Metal coating for video discs |
| US4004080A (en) * | 1975-07-25 | 1977-01-18 | Rca Corporation | Metal coating for video discs |
| US4072985A (en) * | 1977-05-04 | 1978-02-07 | Rca Corporation | Video disc with a dielectric layer formed from styrene and nitrogen |
| US4077051A (en) * | 1977-05-04 | 1978-02-28 | Rca Corporation | Video disc with a conductive layer having an oxygen content gradient |
| US4077052A (en) * | 1977-05-04 | 1978-02-28 | Rca Corporation | Video disc capacitive recording means with a conductive bilayer |
-
1975
- 1975-08-21 US US05/606,655 patent/US4206256A/en not_active Expired - Lifetime
-
1976
- 1976-06-25 IT IT2477376A patent/IT1061815B/it active
- 1976-08-13 DE DE19762636501 patent/DE2636501A1/de not_active Withdrawn
- 1976-08-20 FR FR7625333A patent/FR2321743A1/fr active Granted
- 1976-08-20 JP JP10013476A patent/JPS5226820A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2636501A1 (de) | 1977-02-24 |
| US4206256A (en) | 1980-06-03 |
| FR2321743A1 (fr) | 1977-03-18 |
| JPS5718251B2 (show.php) | 1982-04-15 |
| IT1061815B (it) | 1983-04-30 |
| JPS5226820A (en) | 1977-02-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |