CN1352792A - 磁存储媒体及其制造方法和磁盘设备 - Google Patents
磁存储媒体及其制造方法和磁盘设备 Download PDFInfo
- Publication number
- CN1352792A CN1352792A CN99816687A CN99816687A CN1352792A CN 1352792 A CN1352792 A CN 1352792A CN 99816687 A CN99816687 A CN 99816687A CN 99816687 A CN99816687 A CN 99816687A CN 1352792 A CN1352792 A CN 1352792A
- Authority
- CN
- China
- Prior art keywords
- film
- magnetic
- groove
- recording medium
- magnetic recording
- 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
Images
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
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
-
- 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
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/85—Coating a support with a magnetic layer by vapour deposition
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
- Y10T428/24537—Parallel ribs and/or grooves
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/2457—Parallel ribs and/or grooves
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1999/002881 WO2000074041A1 (fr) | 1999-05-28 | 1999-05-28 | Support d'enregistrement magnetique, son procede de fabrication et appareil a disque magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1352792A true CN1352792A (zh) | 2002-06-05 |
CN1176457C CN1176457C (zh) | 2004-11-17 |
Family
ID=14235850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998166871A Expired - Fee Related CN1176457C (zh) | 1999-05-28 | 1999-05-28 | 磁存储媒体及其制造方法和磁盘设备 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6773782B2 (zh) |
EP (1) | EP1204097B1 (zh) |
JP (1) | JP4258150B2 (zh) |
KR (1) | KR100630585B1 (zh) |
CN (1) | CN1176457C (zh) |
DE (1) | DE69936668T2 (zh) |
WO (1) | WO2000074041A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1321404C (zh) * | 2004-02-23 | 2007-06-13 | Tdk股份有限公司 | 磁记录媒体的制造方法 |
CN100395825C (zh) * | 2003-09-22 | 2008-06-18 | Tdk股份有限公司 | 磁记录介质的制造方法与磁记录介质 |
CN102403448A (zh) * | 2010-09-13 | 2012-04-04 | 索尼公司 | 存储元件以及存储器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3686067B2 (ja) * | 2003-10-28 | 2005-08-24 | Tdk株式会社 | 磁気記録媒体の製造方法 |
JP4231007B2 (ja) * | 2005-02-07 | 2009-02-25 | 富士通株式会社 | 磁気媒体の製造方法および磁気媒体製造用金型 |
US20070147348A1 (en) * | 2005-12-23 | 2007-06-28 | Tingting Lu | Methods, systems, and computer program products for providing location information for VoIP emergency calling |
US7719793B2 (en) * | 2005-12-28 | 2010-05-18 | Hitachi Global Storage Technologies Netherlands B.V. | Circumferentially patterned disk for longitudinal and perpendicular recording |
JP2008299964A (ja) * | 2007-05-31 | 2008-12-11 | Hitachi Ltd | 磁気ディスク及びその製造方法 |
JP5518449B2 (ja) * | 2009-12-02 | 2014-06-11 | エイチジーエスティーネザーランドビーブイ | 磁気記録媒体及びその製造方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157842A (ja) * | 1983-02-25 | 1984-09-07 | Anelva Corp | 磁気記録媒体 |
JPS6124021A (ja) | 1984-07-13 | 1986-02-01 | Matsushita Electric Ind Co Ltd | トラツク分離型磁気デイスク |
JPH0831207B2 (ja) * | 1985-06-05 | 1996-03-27 | 株式会社日立製作所 | 磁気記録装置 |
US4758474A (en) * | 1985-11-20 | 1988-07-19 | Nec Corporation | Magnetic recording member |
JPS63273230A (ja) * | 1987-05-01 | 1988-11-10 | Dainippon Ink & Chem Inc | 光記録媒体 |
US4935278A (en) * | 1988-04-28 | 1990-06-19 | International Business Machines Corporation | Thin film magnetic recording disk and fabrication process |
JPH01292625A (ja) | 1988-05-19 | 1989-11-24 | Hitachi Ltd | 磁気記録媒体 |
JP2657535B2 (ja) | 1988-10-31 | 1997-09-24 | 横浜ゴム株式会社 | 引張試験機に於ける試験片供給装置 |
JPH02278514A (ja) * | 1989-04-18 | 1990-11-14 | Sekisui Chem Co Ltd | 滋気記録媒体 |
JPH03127327A (ja) * | 1989-10-13 | 1991-05-30 | Hitachi Ltd | 磁気デイスクとその製造法及び磁気デイスク装置 |
JPH0485723A (ja) * | 1990-07-27 | 1992-03-18 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JP2706173B2 (ja) * | 1990-09-21 | 1998-01-28 | シャープ株式会社 | 磁気メモリ素子の製造方法 |
JPH04251435A (ja) * | 1990-12-28 | 1992-09-07 | Tdk Corp | 磁気ディスク |
JPH05109047A (ja) * | 1991-03-12 | 1993-04-30 | Hitachi Ltd | 磁気記録媒体及びその製造方法 |
JP3057586B2 (ja) | 1991-09-20 | 2000-06-26 | 富士通株式会社 | 垂直磁気記録媒体及び装置 |
JPH06314446A (ja) * | 1992-06-19 | 1994-11-08 | Tdk Corp | 光磁気ディスク |
JPH07190745A (ja) | 1993-12-27 | 1995-07-28 | Matsushita Electric Ind Co Ltd | 実装部品の検査装置 |
JP3241560B2 (ja) * | 1995-02-24 | 2001-12-25 | ソニー株式会社 | 光学記録媒体及びその製造方法 |
JPH0944843A (ja) * | 1995-07-26 | 1997-02-14 | Sony Corp | 磁気記録カード及びその製造方法 |
JPH09134515A (ja) * | 1995-09-05 | 1997-05-20 | Kao Corp | 磁気記録媒体 |
KR100230448B1 (ko) * | 1996-10-10 | 1999-11-15 | 윤종용 | 광기록매체 |
US5999360A (en) * | 1996-10-15 | 1999-12-07 | Seagate Technology, Inc. | Disc drive servo system employing thermal signals |
JP3541289B2 (ja) * | 1997-09-03 | 2004-07-07 | 富士通株式会社 | 磁気記録媒体及び補助情報の記録方法 |
JP3719026B2 (ja) * | 1998-12-28 | 2005-11-24 | 富士通株式会社 | 磁気記録媒体とその製造方法 |
-
1999
- 1999-05-28 DE DE69936668T patent/DE69936668T2/de not_active Expired - Fee Related
- 1999-05-28 CN CNB998166871A patent/CN1176457C/zh not_active Expired - Fee Related
- 1999-05-28 JP JP2001500260A patent/JP4258150B2/ja not_active Expired - Lifetime
- 1999-05-28 EP EP99922591A patent/EP1204097B1/en not_active Expired - Lifetime
- 1999-05-28 WO PCT/JP1999/002881 patent/WO2000074041A1/ja active IP Right Grant
- 1999-05-28 KR KR1020017015202A patent/KR100630585B1/ko not_active IP Right Cessation
-
2001
- 2001-11-21 US US09/990,131 patent/US6773782B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100395825C (zh) * | 2003-09-22 | 2008-06-18 | Tdk股份有限公司 | 磁记录介质的制造方法与磁记录介质 |
CN1321404C (zh) * | 2004-02-23 | 2007-06-13 | Tdk股份有限公司 | 磁记录媒体的制造方法 |
CN102403448A (zh) * | 2010-09-13 | 2012-04-04 | 索尼公司 | 存储元件以及存储器 |
Also Published As
Publication number | Publication date |
---|---|
DE69936668D1 (de) | 2007-09-06 |
KR100630585B1 (ko) | 2006-10-04 |
WO2000074041A1 (fr) | 2000-12-07 |
CN1176457C (zh) | 2004-11-17 |
EP1204097A1 (en) | 2002-05-08 |
US20020055018A1 (en) | 2002-05-09 |
US6773782B2 (en) | 2004-08-10 |
EP1204097A4 (en) | 2003-07-16 |
EP1204097B1 (en) | 2007-07-25 |
DE69936668T2 (de) | 2007-11-22 |
KR20020013564A (ko) | 2002-02-20 |
JP4258150B2 (ja) | 2009-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHOWA DENKO K. K. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20100323 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: KANAGAWA, JAPAN COUNTY TO: TOKYO, JAPAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100323 Address after: Tokyo, Japan Patentee after: Showa Denko K. K. Address before: Kanagawa, Japan Patentee before: Fujitsu Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041117 Termination date: 20110528 |