DE68917483T2 - Datenaufzeichnungsträger. - Google Patents
Datenaufzeichnungsträger.Info
- Publication number
- DE68917483T2 DE68917483T2 DE68917483T DE68917483T DE68917483T2 DE 68917483 T2 DE68917483 T2 DE 68917483T2 DE 68917483 T DE68917483 T DE 68917483T DE 68917483 T DE68917483 T DE 68917483T DE 68917483 T2 DE68917483 T2 DE 68917483T2
- Authority
- DE
- Germany
- Prior art keywords
- carrier disk
- upper flange
- data recording
- hub
- recording medium
- 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.)
- Expired - Fee Related
Links
- 230000000630 rising effect Effects 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 18
- 239000011241 protective layer Substances 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 e.g. Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 150000002739 metals Chemical class 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
- G11B7/24018—Laminated discs
-
- 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
-
- 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
- G11B23/0014—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 record carriers not specifically of filamentary or web form
- G11B23/0021—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 record carriers not specifically of filamentary or web form discs
- G11B23/0028—Details
- G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Holo Graphy (AREA)
- Magnetic Record Carriers (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004883U JP2537348Y2 (ja) | 1988-01-19 | 1988-01-19 | 光ディスク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68917483D1 DE68917483D1 (de) | 1994-09-22 |
| DE68917483T2 true DE68917483T2 (de) | 1994-12-15 |
Family
ID=11596078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE68917483T Expired - Fee Related DE68917483T2 (de) | 1988-01-19 | 1989-01-17 | Datenaufzeichnungsträger. |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944982A (en) * | 1988-04-04 | 1990-07-31 | Fuji Photo Film Co., Ltd. | Information recording medium having magnetizable hub |
| JPH0638068U (ja) * | 1992-10-13 | 1994-05-20 | 富士写真フイルム株式会社 | 磁気ディスクカートリッジ |
| EP0667616B1 (en) * | 1994-02-15 | 2006-07-19 | Mitsubishi Chemical Corporation | Disc cartridge |
| DE19631319A1 (de) * | 1995-08-15 | 1997-02-20 | Minnesota Mining & Mfg | Platte zur optischen Datenspeicherung |
| EP0920012B1 (en) * | 1996-08-08 | 2004-11-03 | Fuji Photo Film Co., Ltd. | Magnetic disk cartridge |
| ATE339002T1 (de) * | 2002-12-30 | 2006-09-15 | Koninkl Philips Electronics Nv | Magnetisch geklemmter optischer datenträger und vorrichtung |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS606938Y2 (ja) * | 1980-08-14 | 1985-03-07 | ソニー株式会社 | 記録再生用デイスクカセツト |
| US4562505A (en) * | 1982-12-20 | 1985-12-31 | Verbatim Corporation | Flexible magnetic memory disk with metallic hub and method of manufacturing same |
| JPS60186565U (ja) * | 1984-05-18 | 1985-12-10 | ソニー株式会社 | 磁気デイスク |
| JPH079257Y2 (ja) * | 1984-06-22 | 1995-03-06 | 富士写真フイルム株式会社 | 磁気ディスクカ−トリッジ |
| JPS6113376U (ja) * | 1984-06-22 | 1986-01-25 | 富士写真フイルム株式会社 | 磁気デイスクカ−トリツジ |
| JPS6124877U (ja) * | 1984-07-19 | 1986-02-14 | ティーディーケイ株式会社 | デイスクカ−トリツジ |
| JPS61210540A (ja) * | 1985-03-15 | 1986-09-18 | Hitachi Maxell Ltd | 光デイスク |
| JPS61186565U (US07534539-20090519-C00280.png) * | 1985-05-14 | 1986-11-20 | ||
| JPS62114180A (ja) * | 1985-11-13 | 1987-05-25 | Sony Corp | フロツピ−デイスクの加工方法 |
-
1988
- 1988-01-19 JP JP1988004883U patent/JP2537348Y2/ja not_active Expired - Lifetime
-
1989
- 1989-01-17 AT AT89300383T patent/ATE110183T1/de active
- 1989-01-17 EP EP89300383A patent/EP0325399B1/en not_active Expired - Lifetime
- 1989-01-17 DE DE68917483T patent/DE68917483T2/de not_active Expired - Fee Related
- 1989-01-18 KR KR1019890000451A patent/KR910006653B1/ko not_active IP Right Cessation
- 1989-01-18 CN CN89100335A patent/CN1035200A/zh active Pending
- 1989-01-18 CN CN89200816U patent/CN2044759U/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2537348Y2 (ja) | 1997-05-28 |
| CN2044759U (zh) | 1989-09-20 |
| ATE110183T1 (de) | 1994-09-15 |
| EP0325399B1 (en) | 1994-08-17 |
| JPH01109875U (US07534539-20090519-C00280.png) | 1989-07-25 |
| KR910006653B1 (ko) | 1991-08-30 |
| EP0325399A2 (en) | 1989-07-26 |
| DE68917483D1 (de) | 1994-09-22 |
| EP0325399A3 (en) | 1990-12-27 |
| CN1035200A (zh) | 1989-08-30 |
| KR890012284A (ko) | 1989-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE19644954C2 (de) | Optischer Informationsaufzeichnungsträger mit unterscheidbaren Vorder- und Rückseiten | |
| EP0086484B1 (de) | Aufbewahrungskassette für plattenförmige Informationsträger hoher Speicherdichte | |
| DE69520920T2 (de) | Optisches Informationsmedium, sowie Einheit und Verfahren zu dessen Herstellung | |
| DE69332938T2 (de) | Verfahren zur Herstellung eines Plattentellers für Plattenaufzeichnungs-/Wiedergabegerät | |
| DE69614325T2 (de) | Struktur einer zusammengesetzten optischen Platte | |
| DE69622211T2 (de) | Optisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung | |
| DE69731707T2 (de) | Verfahren zum Korrigieren von der ungleichen Position einer Informationsscheibe | |
| DE3416226C2 (US07534539-20090519-C00280.png) | ||
| EP0129225B1 (de) | Plattenförmiger, optisch auslesbarer Informationsträger mit Schutzrand | |
| DE69221388T2 (de) | Optische Platte und Verfahren zur Herstellung einer solchen optischen Platte | |
| DE3878957T2 (de) | Plattengerät. | |
| DE3808180A1 (de) | Aufnahmeplatte fuer optische informationen | |
| DE69317065T2 (de) | Optische Platte mit Nabe und Giessform zum Giessen ihres Plattensubstrats | |
| DE68917483T2 (de) | Datenaufzeichnungsträger. | |
| DE3887845T2 (de) | Informations-Aufnahme-Platte. | |
| DE19631319A1 (de) | Platte zur optischen Datenspeicherung | |
| DE69634030T2 (de) | Drehender Haltetisch, mit Stift, zum darauf Festhalten und Drehen einer Informationsscheibe | |
| DE69212701T2 (de) | Tragring mit niedriger gleitender Reibung für optische Platte | |
| DE3888257T2 (de) | Informationsaufzeichnungsplatten. | |
| DE19715779A1 (de) | Verfahren und Einrichtung zum Verkleben scheibenförmiger Kunststoffsubstrate | |
| DE2653831C2 (de) | Plattenförmiger Informationsträger | |
| DE2624375B2 (de) | Plattenförmiger Informationsträger für Bild- bzw. Videosignale | |
| DE69520308T2 (de) | Plattenkassette | |
| DE3883261T2 (de) | Informationsaufzeichnungsmedium. | |
| DE3886793T2 (de) | Plattenantriebsgerät. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP |
|
| 8339 | Ceased/non-payment of the annual fee |