JPS6423774U - - Google Patents
Info
- Publication number
- JPS6423774U JPS6423774U JP1987114879U JP11487987U JPS6423774U JP S6423774 U JPS6423774 U JP S6423774U JP 1987114879 U JP1987114879 U JP 1987114879U JP 11487987 U JP11487987 U JP 11487987U JP S6423774 U JPS6423774 U JP S6423774U
- Authority
- JP
- Japan
- Prior art keywords
- disc
- center hole
- disk
- substrate
- hubs
- 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
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000012790 adhesive layer Substances 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims abstract 2
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk 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
- G11B23/0014—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
-
- 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
-
- 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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987114879U JPH0514365Y2 (US20020051482A1-20020502-M00020.png) | 1987-07-27 | 1987-07-27 | |
| KR1019880009310A KR890002833A (ko) | 1987-07-27 | 1988-07-25 | 정보 기록 디스크 |
| CA000573026A CA1311300C (en) | 1987-07-27 | 1988-07-26 | Information recording discs |
| CN88104724A CN1018102B (zh) | 1987-07-27 | 1988-07-26 | 信息记录盘 |
| AT88306920T ATE102733T1 (de) | 1987-07-27 | 1988-07-27 | Informationsaufzeichnungsplatten. |
| EP88306920A EP0301829B1 (en) | 1987-07-27 | 1988-07-27 | Information recording discs |
| DE3888257T DE3888257T2 (de) | 1987-07-27 | 1988-07-27 | Informationsaufzeichnungsplatten. |
| KR9215642U KR920008556Y1 (ko) | 1987-07-27 | 1992-08-19 | 정보기록 디스크 |
| US07/963,025 US5263016A (en) | 1987-07-27 | 1992-10-19 | Information recording discs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987114879U JPH0514365Y2 (US20020051482A1-20020502-M00020.png) | 1987-07-27 | 1987-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6423774U true JPS6423774U (US20020051482A1-20020502-M00020.png) | 1989-02-08 |
| JPH0514365Y2 JPH0514365Y2 (US20020051482A1-20020502-M00020.png) | 1993-04-16 |
Family
ID=14648967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987114879U Expired - Lifetime JPH0514365Y2 (US20020051482A1-20020502-M00020.png) | 1987-07-27 | 1987-07-27 |
Country Status (7)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2030899A1 (en) * | 1989-11-27 | 1991-05-28 | Masayoshi Kurisu | Information rercording media |
| MY140917A (en) * | 1991-06-04 | 2010-02-12 | Mitsubishi Electric Corp | Multiple data surface data storage system and method |
| US5331488A (en) * | 1992-06-04 | 1994-07-19 | Hewlett-Packard Company | Fixed hard disk drive having a removable integrated disc stack structure |
| DE19631319A1 (de) * | 1995-08-15 | 1997-02-20 | Minnesota Mining & Mfg | Platte zur optischen Datenspeicherung |
| US6215620B1 (en) * | 1995-09-14 | 2001-04-10 | Imation Corp. | Data storage diskette with modified hub |
| US6990058B1 (en) | 2000-04-03 | 2006-01-24 | Dphi Acquisitions, Inc. | Structure and method for storing data on optical disks |
| AU2001257279A1 (en) * | 2000-04-28 | 2001-11-20 | Dataplay, Inc. | Magnetic hub assembly for data storage disk |
| US6817026B2 (en) | 2000-04-28 | 2004-11-09 | Dphi Acquisitions, Inc. | Magnetic hub assembly for data storage disk |
| AU2001275040A1 (en) | 2000-05-30 | 2001-12-11 | Dataplay, Inc. | Defect management system for write-once storage disk |
| US7051054B1 (en) | 2000-05-30 | 2006-05-23 | Dphi Acquisitions, Inc. | Method and apparatus for emulating read/write file system on a write-once storage disk |
| US6738333B1 (en) | 2000-05-30 | 2004-05-18 | Dphi Acquisitions, Inc. | Format for recording data in a storage disk |
| US6619100B2 (en) | 2000-12-21 | 2003-09-16 | Dphi Acquisitions, Inc. | Crimping tool for metal hub plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6148143A (ja) * | 1984-08-13 | 1986-03-08 | Hitachi Ltd | 光デイスク |
| JPS621144A (ja) * | 1985-03-18 | 1987-01-07 | Hitachi Maxell Ltd | 光デイスクならびにその製造方法 |
| JPS63152072A (ja) * | 1986-12-15 | 1988-06-24 | Fuji Photo Film Co Ltd | 情報記録媒体 |
| JPS63201928A (ja) * | 1987-02-18 | 1988-08-22 | Asahi Chem Ind Co Ltd | 光学式情報記録円板 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3671998D1 (de) * | 1985-02-18 | 1990-07-19 | Hitachi Maxell | Optische platte. |
-
1987
- 1987-07-27 JP JP1987114879U patent/JPH0514365Y2/ja not_active Expired - Lifetime
-
1988
- 1988-07-25 KR KR1019880009310A patent/KR890002833A/ko not_active Application Discontinuation
- 1988-07-26 CA CA000573026A patent/CA1311300C/en not_active Expired - Fee Related
- 1988-07-26 CN CN88104724A patent/CN1018102B/zh not_active Expired
- 1988-07-27 AT AT88306920T patent/ATE102733T1/de not_active IP Right Cessation
- 1988-07-27 DE DE3888257T patent/DE3888257T2/de not_active Expired - Fee Related
- 1988-07-27 EP EP88306920A patent/EP0301829B1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6148143A (ja) * | 1984-08-13 | 1986-03-08 | Hitachi Ltd | 光デイスク |
| JPS621144A (ja) * | 1985-03-18 | 1987-01-07 | Hitachi Maxell Ltd | 光デイスクならびにその製造方法 |
| JPS63152072A (ja) * | 1986-12-15 | 1988-06-24 | Fuji Photo Film Co Ltd | 情報記録媒体 |
| JPS63201928A (ja) * | 1987-02-18 | 1988-08-22 | Asahi Chem Ind Co Ltd | 光学式情報記録円板 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE102733T1 (de) | 1994-03-15 |
| JPH0514365Y2 (US20020051482A1-20020502-M00020.png) | 1993-04-16 |
| EP0301829A1 (en) | 1989-02-01 |
| EP0301829B1 (en) | 1994-03-09 |
| DE3888257T2 (de) | 1994-09-08 |
| CN1018102B (zh) | 1992-09-02 |
| CN1030993A (zh) | 1989-02-08 |
| DE3888257D1 (de) | 1994-04-14 |
| CA1311300C (en) | 1992-12-08 |
| KR890002833A (ko) | 1989-04-11 |
