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)
Description
第1図および第2図は別の実施例の断面図、第
3図はハブ本体の断面図、第4図および第5図は
比較例の断面図である。 各図中、同一符号は同一または相当部分を示し
、1は情報記録用基板、2a,2bはデイスク基
板、3はセンター穴、4はハブ、5は外周スペー
サ、6は内周スペーサ、7,13,14は接着剤
層、8は挿入部、9はフランジ部、10はハブ本
体である。
3図はハブ本体の断面図、第4図および第5図は
比較例の断面図である。 各図中、同一符号は同一または相当部分を示し
、1は情報記録用基板、2a,2bはデイスク基
板、3はセンター穴、4はハブ、5は外周スペー
サ、6は内周スペーサ、7,13,14は接着剤
層、8は挿入部、9はフランジ部、10はハブ本
体である。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 少なくとも1枚が記録媒体層を有し、互に
貼合わされた複数枚のデイスク基板と、このデイ
スク基板のセンター穴に挿入される挿入部、およ
びセンター穴付近のデイスク基板を覆うフランジ
部を有し、かつ両側からセンター穴に装着される
2個のハブと、このハブおよびデイスク基板間な
らびに2個のハブ間に形成された接着剤層とを有
する情報記録用基板。 (2) 複数枚のデイスク基板が直接または外周ス
ペーサおよび内周スペーサを介して貼合わされた
ものである実用新案登録請求の範囲第1項記載の
情報記録用基板。 (3) 複数枚のデイスク基板が接着剤または超音
波溶接により貼合わされたものである実用新案登
録請求の範囲第1項または第2項記載の情報記録
用基板。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987114879U JPH0514365Y2 (ja) | 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 (ja) | 1987-07-27 | 1987-07-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6423774U true JPS6423774U (ja) | 1989-02-08 |
JPH0514365Y2 JPH0514365Y2 (ja) | 1993-04-16 |
Family
ID=14648967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987114879U Expired - Lifetime JPH0514365Y2 (ja) | 1987-07-27 | 1987-07-27 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0301829B1 (ja) |
JP (1) | JPH0514365Y2 (ja) |
KR (1) | KR890002833A (ja) |
CN (1) | CN1018102B (ja) |
AT (1) | ATE102733T1 (ja) |
CA (1) | CA1311300C (ja) |
DE (1) | DE3888257T2 (ja) |
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 |
MY139798A (en) * | 1991-06-04 | 2009-10-30 | 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 |
US6817026B2 (en) | 2000-04-28 | 2004-11-09 | Dphi Acquisitions, Inc. | Magnetic hub assembly for data storage disk |
WO2001086657A2 (en) * | 2000-04-28 | 2001-11-15 | Dataplay, Inc. | Magnetic hub assembly for data 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 |
WO2001093035A2 (en) | 2000-05-30 | 2001-12-06 | Dataplay, Inc. | Defect management system for write-once 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 |
---|---|---|---|---|
EP0192244B1 (en) * | 1985-02-18 | 1990-06-13 | Hitachi Maxell Ltd. | An optical disc |
-
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 CN CN88104724A patent/CN1018102B/zh not_active Expired
- 1988-07-26 CA CA000573026A patent/CA1311300C/en not_active Expired - Fee Related
- 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 |
---|---|
CN1030993A (zh) | 1989-02-08 |
EP0301829B1 (en) | 1994-03-09 |
CN1018102B (zh) | 1992-09-02 |
JPH0514365Y2 (ja) | 1993-04-16 |
KR890002833A (ko) | 1989-04-11 |
CA1311300C (en) | 1992-12-08 |
EP0301829A1 (en) | 1989-02-01 |
DE3888257D1 (de) | 1994-04-14 |
ATE102733T1 (de) | 1994-03-15 |
DE3888257T2 (de) | 1994-09-08 |
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