NL8400476A - Optisch uitleesbare geheugenschijf. - Google Patents
Optisch uitleesbare geheugenschijf. Download PDFInfo
- Publication number
- NL8400476A NL8400476A NL8400476A NL8400476A NL8400476A NL 8400476 A NL8400476 A NL 8400476A NL 8400476 A NL8400476 A NL 8400476A NL 8400476 A NL8400476 A NL 8400476A NL 8400476 A NL8400476 A NL 8400476A
- Authority
- NL
- Netherlands
- Prior art keywords
- substrate
- cover plate
- memory disk
- protective edge
- readable memory
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims description 65
- 230000001681 protective effect Effects 0.000 claims description 41
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 9
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 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
- G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
-
- 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
- G11B7/24015—Air-sandwiched discs
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Packaging For Recording Disks (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8400476A NL8400476A (nl) | 1984-02-14 | 1984-02-14 | Optisch uitleesbare geheugenschijf. |
| CA000473768A CA1241744A (en) | 1984-02-14 | 1985-02-07 | Protective rim for storage discs |
| ES540285A ES8606710A1 (es) | 1984-02-14 | 1985-02-11 | Un disco de almacenamiento opticamente legible |
| IT19458/85A IT1183232B (it) | 1984-02-14 | 1985-02-11 | Disco di memoria leggibile otticamente |
| BE0/214507A BE901719A (fr) | 1984-02-14 | 1985-02-12 | Disque a memoire lisible par voie optique. |
| DD85273212A DD228381A5 (de) | 1984-02-14 | 1985-02-12 | Optisch auslesbare speicherscheibe |
| FR8501934A FR2559607A1 (fr) | 1984-02-14 | 1985-02-12 | Disque a memoire lisible par voie optique |
| SU853862706A SU1487826A3 (ru) | 1984-02-14 | 1985-02-13 | Оптическое запоминающее устройство |
| JP1985017893U JPS60140235U (ja) | 1984-02-14 | 1985-02-13 | 光学読取記憶デイスク |
| GB08503678A GB2155684B (en) | 1984-02-14 | 1985-02-13 | Optically readable storage disc |
| DE19853505015 DE3505015A1 (de) | 1984-02-14 | 1985-02-14 | Optisch auslesbare speicherscheibe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8400476 | 1984-02-14 | ||
| NL8400476A NL8400476A (nl) | 1984-02-14 | 1984-02-14 | Optisch uitleesbare geheugenschijf. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8400476A true NL8400476A (nl) | 1985-09-02 |
Family
ID=19843488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8400476A NL8400476A (nl) | 1984-02-14 | 1984-02-14 | Optisch uitleesbare geheugenschijf. |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS60140235U (it) |
| BE (1) | BE901719A (it) |
| CA (1) | CA1241744A (it) |
| DD (1) | DD228381A5 (it) |
| DE (1) | DE3505015A1 (it) |
| ES (1) | ES8606710A1 (it) |
| FR (1) | FR2559607A1 (it) |
| GB (1) | GB2155684B (it) |
| IT (1) | IT1183232B (it) |
| NL (1) | NL8400476A (it) |
| SU (1) | SU1487826A3 (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2343784B (en) * | 1998-11-16 | 2001-08-01 | Leung Ching Yuen | Irregular optical disc |
| US20020136155A1 (en) * | 2001-03-06 | 2002-09-26 | Chieh-Ho Chen | CD safe to hold |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE203656C (it) * | ||||
| DE190908C (it) * | ||||
| GB335768A (en) * | 1929-10-24 | 1930-10-02 | Jacoviac Maurice | Improvements in protecting devices for gramophone disc records |
| DE883811C (de) * | 1951-06-08 | 1953-07-20 | Hermann Geiselhart | Ring aus Gummi als Plattenschutz |
| US4331966A (en) * | 1980-10-06 | 1982-05-25 | Storage Technology Corporation | Information storage device and method of forming same |
| JPS5774842A (en) * | 1980-10-24 | 1982-05-11 | Mitsubishi Electric Corp | Optical information recording disk |
| US4376963A (en) * | 1980-12-19 | 1983-03-15 | International Business Machines Corporation | Composite magnetic recording disk |
| JPS57150155A (en) * | 1981-03-09 | 1982-09-16 | Matsushita Electric Ind Co Ltd | Magnetooptic disc |
| JPS57172541A (en) * | 1981-04-15 | 1982-10-23 | Toshiba Corp | Information storage medium |
| JPS57172542A (en) * | 1981-04-15 | 1982-10-23 | Toshiba Corp | Information storage medium |
| FR2528216B1 (fr) * | 1982-06-08 | 1988-01-08 | Thomson Csf | Disque optique protege a porte-couche libre |
| JPS5987636A (ja) * | 1982-11-10 | 1984-05-21 | Toshiba Corp | 情報記憶媒体 |
-
1984
- 1984-02-14 NL NL8400476A patent/NL8400476A/nl not_active Application Discontinuation
-
1985
- 1985-02-07 CA CA000473768A patent/CA1241744A/en not_active Expired
- 1985-02-11 ES ES540285A patent/ES8606710A1/es not_active Expired
- 1985-02-11 IT IT19458/85A patent/IT1183232B/it active
- 1985-02-12 BE BE0/214507A patent/BE901719A/fr not_active IP Right Cessation
- 1985-02-12 DD DD85273212A patent/DD228381A5/de unknown
- 1985-02-12 FR FR8501934A patent/FR2559607A1/fr active Pending
- 1985-02-13 JP JP1985017893U patent/JPS60140235U/ja active Pending
- 1985-02-13 SU SU853862706A patent/SU1487826A3/ru active
- 1985-02-13 GB GB08503678A patent/GB2155684B/en not_active Expired
- 1985-02-14 DE DE19853505015 patent/DE3505015A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT1183232B (it) | 1987-10-15 |
| DE3505015A1 (de) | 1985-08-14 |
| ES540285A0 (es) | 1986-04-01 |
| GB2155684B (en) | 1988-11-02 |
| CA1241744A (en) | 1988-09-06 |
| FR2559607A1 (fr) | 1985-08-16 |
| BE901719A (fr) | 1985-08-12 |
| DD228381A5 (de) | 1985-10-09 |
| GB2155684A (en) | 1985-09-25 |
| IT8519458A0 (it) | 1985-02-11 |
| ES8606710A1 (es) | 1986-04-01 |
| GB8503678D0 (en) | 1985-03-13 |
| JPS60140235U (ja) | 1985-09-17 |
| SU1487826A3 (ru) | 1989-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| BV | The patent application has lapsed |