KR910020700A - 자기 디스크 장치 - Google Patents
자기 디스크 장치 Download PDFInfo
- Publication number
- KR910020700A KR910020700A KR1019910008032A KR910008032A KR910020700A KR 910020700 A KR910020700 A KR 910020700A KR 1019910008032 A KR1019910008032 A KR 1019910008032A KR 910008032 A KR910008032 A KR 910008032A KR 910020700 A KR910020700 A KR 910020700A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic disk
- magnetic
- head
- disk apparatus
- disk device
- 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
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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/488—Disposition of heads
- G11B5/4886—Disposition of heads relative to rotating disc
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- 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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
- G11B5/718—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers at least one on each side of the base 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73921—Glass or ceramic substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Magnetic Heads (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (6)
- 자기 시일드가 충분하지 않은 재료로된 기판으로 형성되는 적어도 1개의 자기 디스크를 갖는 자기 디스크 장치에 있어서, 상기 자기 디스크의 상면측에 구비된 제1자기 헤드와, 상기 자기 디스크의 하면측에 구비된 제2자기 헤드를 구비하고, 상기 제1 및 제2자기 헤드의 위치를 어긋나게 배치한 것을 특징으로 하는 자기 디스크 장치.
- 제1항에 있어서, 상기 기판의 재료는 유리인 것을 특징으로 하는 자기 디스크 장치.
- 제1항에 있어서, 상기 기판의 재료는 세라믹인 것을 특징으로 하는 자기 디스크 장치.
- 제1항에 있어서, 상기 자기 헤드는 모노리식 헤드인 것을 특징으로 하는 자기 디스크 장치.
- 제1항에 있어서, 상기 자기 헤드는 박막 헤드인 것을 특징으로 하는 자기 디스크 장치.
- 제1항에 있어서, 상기 자기 헤드는 콤포지트 헤드인 것을 특징으로 하는 자기 디스크 장치.※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP135506 | 1990-05-28 | ||
| JP2135506A JP2935129B2 (ja) | 1990-05-28 | 1990-05-28 | 固定磁気ディスク装置及び関連する装置・方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910020700A true KR910020700A (ko) | 1991-12-20 |
| KR0141090B1 KR0141090B1 (ko) | 1998-07-15 |
Family
ID=15153354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910008032A Expired - Fee Related KR0141090B1 (ko) | 1990-05-28 | 1991-05-17 | 자기 디스크 장치 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5296980A (ko) |
| EP (1) | EP0459725B1 (ko) |
| JP (1) | JP2935129B2 (ko) |
| KR (1) | KR0141090B1 (ko) |
| CN (1) | CN1021383C (ko) |
| AU (1) | AU639559B2 (ko) |
| BR (1) | BR9102008A (ko) |
| CA (1) | CA2042871A1 (ko) |
| CZ (1) | CZ283110B6 (ko) |
| DE (1) | DE69128848T2 (ko) |
| HU (1) | HU212523B (ko) |
| PL (1) | PL166646B1 (ko) |
| RU (1) | RU2072564C1 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3326549B2 (ja) * | 1996-10-18 | 2002-09-24 | ミネベア株式会社 | 磁気ヘッド装置 |
| US7206154B2 (en) * | 2002-09-25 | 2007-04-17 | Hitachi Global Storage Technologies Netherlands, B.V. | Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read heads |
| RU172200U1 (ru) * | 2016-12-26 | 2017-06-30 | Андрей Викторович Мельников | Приспособление для замены блока магнитных головок жесткого диска |
| US10991387B1 (en) * | 2020-03-27 | 2021-04-27 | Western Digital Technologies, Inc. | Data storage device migrating data from non-energy assist disk surface to energy assist disk surface |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3789156A (en) * | 1972-03-27 | 1974-01-29 | Rca Corp | High density isolated multi-channel magnetic circuit transducer |
| JPS59185708U (ja) * | 1983-05-21 | 1984-12-10 | 株式会社三協精機製作所 | 磁気デイスクの両面記録再生用磁気ヘツド装置 |
| US4912582A (en) * | 1983-10-25 | 1990-03-27 | Seiko Epson Kabushiki Kaisha | Floppy disk drive system with improved record/playback heads |
| JPH0351778Y2 (ko) * | 1984-08-31 | 1991-11-07 | ||
| AU576947B2 (en) * | 1985-03-08 | 1988-09-08 | Sony Corporation | Combination magnetic transducer head |
| JPS61182952U (ko) * | 1985-04-27 | 1986-11-14 | ||
| JPS61255559A (ja) * | 1985-05-09 | 1986-11-13 | Hitachi Maxell Ltd | 磁気ヘツドキヤリツジアセンブリ |
| US4807054A (en) * | 1985-08-14 | 1989-02-21 | Miniscribe Corporation | Transducer support assembly having laterally offset flexures |
| US4738885A (en) * | 1986-02-24 | 1988-04-19 | Kyocera Corporation | Magnetic disk, substrate therefor and process for preparation thereof |
| EP0432145B1 (en) * | 1986-06-04 | 1994-03-16 | Fujitsu Limited | Magnetic disc device |
| EP0256278A1 (de) * | 1986-07-16 | 1988-02-24 | Siemens Aktiengesellschaft | Magnetplatte und Verfahren zu ihrer Herstellung |
| JPS63220461A (ja) * | 1987-03-09 | 1988-09-13 | Matsushita Electric Ind Co Ltd | 磁気記録再生装置 |
| US4937693A (en) * | 1988-10-20 | 1990-06-26 | Hewlett-Packard Company | Staggered heads for minimizing disk spacing in a disk drive |
| US4974106A (en) * | 1989-05-19 | 1990-11-27 | White James W | Non-contact magnetic head assembly for a flexible medium disk drive |
-
1990
- 1990-05-28 JP JP2135506A patent/JP2935129B2/ja not_active Expired - Fee Related
-
1991
- 1991-04-29 AU AU76168/91A patent/AU639559B2/en not_active Ceased
- 1991-05-16 BR BR919102008A patent/BR9102008A/pt unknown
- 1991-05-17 KR KR1019910008032A patent/KR0141090B1/ko not_active Expired - Fee Related
- 1991-05-17 CA CA002042871A patent/CA2042871A1/en not_active Abandoned
- 1991-05-18 CN CN91103124A patent/CN1021383C/zh not_active Expired - Fee Related
- 1991-05-24 DE DE69128848T patent/DE69128848T2/de not_active Expired - Fee Related
- 1991-05-24 EP EP91304742A patent/EP0459725B1/en not_active Expired - Lifetime
- 1991-05-27 HU HU911772A patent/HU212523B/hu not_active IP Right Cessation
- 1991-05-27 RU SU914895479A patent/RU2072564C1/ru not_active IP Right Cessation
- 1991-05-28 CZ CS911594A patent/CZ283110B6/cs not_active IP Right Cessation
- 1991-05-28 PL PL91290449A patent/PL166646B1/pl unknown
-
1993
- 1993-07-16 US US08/093,294 patent/US5296980A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69128848T2 (de) | 1998-08-13 |
| PL166646B1 (pl) | 1995-06-30 |
| PL290449A1 (en) | 1992-01-13 |
| CN1056945A (zh) | 1991-12-11 |
| HU212523B (en) | 1996-07-29 |
| JP2935129B2 (ja) | 1999-08-16 |
| KR0141090B1 (ko) | 1998-07-15 |
| CN1021383C (zh) | 1993-06-23 |
| RU2072564C1 (ru) | 1997-01-27 |
| HU911772D0 (en) | 1991-12-30 |
| JPH0432001A (ja) | 1992-02-04 |
| EP0459725B1 (en) | 1998-02-04 |
| CS159491A3 (en) | 1992-02-19 |
| US5296980A (en) | 1994-03-22 |
| AU7616891A (en) | 1991-11-28 |
| CZ283110B6 (cs) | 1998-01-14 |
| HUT60059A (en) | 1992-07-28 |
| BR9102008A (pt) | 1991-12-24 |
| AU639559B2 (en) | 1993-07-29 |
| EP0459725A1 (en) | 1991-12-04 |
| DE69128848D1 (de) | 1998-03-12 |
| CA2042871A1 (en) | 1991-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR920007135A (ko) | 반도체 장치용 리드프레임 | |
| KR890002907A (ko) | 초전도성 박층 | |
| KR910020700A (ko) | 자기 디스크 장치 | |
| KR930003306A (ko) | 테이프 클램프기구 | |
| KR880006695A (ko) | 카세트 릴 | |
| KR900000843A (ko) | 자기 레코딩/리딩 헤드용 활성면의 편평방법 | |
| KR890015438A (ko) | 초전도 박막 | |
| KR890002820A (ko) | 유도변환 소자를 구비하는 박막 자기헤드 | |
| KR840006861A (ko) | 박막자기헤드(薄膜磁氣 head)의 제조방법 | |
| KR900017213A (ko) | 반도체 장치 | |
| JPS58172982U (ja) | 化粧パネル構造 | |
| JPS6260051U (ko) | ||
| KR870008280A (ko) | 박막자기헤드 | |
| KR890012270A (ko) | 박막 자기 헤드 | |
| KR880004441A (ko) | 자기 기록매체 | |
| KR890005834A (ko) | 반도체장치 | |
| JPS5967821U (ja) | パネルキ−ボ−ド | |
| KR970050897A (ko) | 신규한 비디오 테이프 쟈켓 | |
| KR960015408A (ko) | 자기박막헤드 | |
| KR900017097A (ko) | X선 리소그래피(Lithography) 마스크 | |
| JPS6135826U (ja) | プラスチツク板の取付構造 | |
| KR920003002A (ko) | 난방용 패널 | |
| KR910013090A (ko) | 자기기록매체 및 그 제조방법 | |
| KR880004431A (ko) | 멀티채널 박막자기헤드 | |
| KR910014699A (ko) | 칩형 반도체 가스센서 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| AMND | Amendment | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| E801 | Decision on dismissal of amendment | ||
| J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
St.27 status event code: N-2-6-B10-B15-exm-PE0601 |
|
| J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
| PB0901 | Examination by re-examination before a trial |
St.27 status event code: A-6-3-E10-E12-rex-PB0901 |
|
| B701 | Decision to grant | ||
| PB0701 | Decision of registration after re-examination before a trial |
St.27 status event code: A-3-4-F10-F13-rex-PB0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 6 |
|
| S17-X000 | Non-exclusive voluntary license recorded |
St.27 status event code: A-4-4-S10-S17-lic-X000 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R14-asn-PN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 7 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 8 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 9 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 10 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 11 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| FPAY | Annual fee payment |
Payment date: 20090317 Year of fee payment: 12 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 12 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20100319 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20100319 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |