CN1825435A - 检测用于记录介质的磁头位置的方法 - Google Patents
检测用于记录介质的磁头位置的方法 Download PDFInfo
- Publication number
- CN1825435A CN1825435A CNA2005100776297A CN200510077629A CN1825435A CN 1825435 A CN1825435 A CN 1825435A CN A2005100776297 A CNA2005100776297 A CN A2005100776297A CN 200510077629 A CN200510077629 A CN 200510077629A CN 1825435 A CN1825435 A CN 1825435A
- Authority
- CN
- China
- Prior art keywords
- head
- track record
- track
- magnetic
- magnetic head
- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000004044 response Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 210000003128 head Anatomy 0.000 description 20
- 239000000758 substrate Substances 0.000 description 10
- 239000011148 porous material Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000795 conjunctiva Anatomy 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
-
- 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
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
- G11B5/746—Bit Patterned record carriers, wherein each magnetic isolated data island corresponds to a bit
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005048402A JP4134066B2 (ja) | 2005-02-24 | 2005-02-24 | ヘッド位置検出方法および記録媒体駆動装置 |
JP048402/2005 | 2005-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1825435A true CN1825435A (zh) | 2006-08-30 |
CN100437757C CN100437757C (zh) | 2008-11-26 |
Family
ID=36405889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100776297A Expired - Fee Related CN100437757C (zh) | 2005-02-24 | 2005-06-17 | 检测用于记录介质的磁头位置的方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7397627B2 (zh) |
EP (1) | EP1696425A1 (zh) |
JP (1) | JP4134066B2 (zh) |
KR (1) | KR100740851B1 (zh) |
CN (1) | CN100437757C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4331236B2 (ja) | 2007-12-27 | 2009-09-16 | 株式会社東芝 | ディスク記憶装置 |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126535A (en) * | 1961-12-27 | 1964-03-24 | Transducer positioning system | |
JPS4920208A (zh) | 1972-06-16 | 1974-02-22 | ||
JPS52100213A (en) | 1976-02-19 | 1977-08-23 | Nec Corp | Track position detector for magnetic disc apparatus |
JPS5471659A (en) | 1977-11-18 | 1979-06-08 | Fujitsu Ltd | Central position detecting method |
US4197564A (en) * | 1978-03-23 | 1980-04-08 | Ampex Corporation | Automatically calibrated RF envelope detector circuit |
US4285017A (en) * | 1979-02-05 | 1981-08-18 | International Business Machines Corporation | Stripe following in a helical scan device |
JPS5873023A (ja) | 1981-10-27 | 1983-05-02 | Pioneer Electronic Corp | 情報読取装置におけるトラツキングサ−ボ信号発生装置 |
JPS58102368A (ja) | 1981-12-14 | 1983-06-17 | Konishiroku Photo Ind Co Ltd | 磁気デイスク記録再生方法 |
US4633451A (en) * | 1982-06-30 | 1986-12-30 | International Business Machines Corporation | Optical servo for magnetic disks |
JPS59142786A (ja) | 1983-02-03 | 1984-08-16 | Matsushita Electric Ind Co Ltd | 再生装置 |
JPS59227073A (ja) | 1983-06-08 | 1984-12-20 | Fuji Photo Film Co Ltd | 回転磁気記録体トラツキング装置 |
JPS6132274A (ja) | 1984-07-23 | 1986-02-14 | Matsushita Electric Ind Co Ltd | トラツキング制御方法 |
JPS6238572A (ja) | 1985-08-13 | 1987-02-19 | Asahi Optical Co Ltd | 記録情報再生ヘツドの位置決め制御装置 |
JPS62195714A (ja) | 1986-02-21 | 1987-08-28 | Fuji Photo Film Co Ltd | ヘツド位置検出媒体 |
JP2566920B2 (ja) | 1986-05-21 | 1996-12-25 | キヤノン株式会社 | 自動トラツキング装置 |
JP2523316B2 (ja) | 1987-04-21 | 1996-08-07 | 株式会社 ワイ・イ−・デ−タ | 磁気デイスクへのサ−ボ・デ−タの記録方法とその装置 |
JPS6439664U (zh) | 1987-09-02 | 1989-03-09 | ||
US4912585A (en) * | 1988-04-28 | 1990-03-27 | International Business Machines Corporation | Discrete track thin film magnetic recording disk with embedded servo information |
US5001579A (en) * | 1988-05-27 | 1991-03-19 | Eastman Kodak Company | Method and apparatus for centering a transducer over a recorded track on a rotary storage medium |
JP2863190B2 (ja) * | 1989-03-24 | 1999-03-03 | ソニー株式会社 | 磁気ディスクの作製方法 |
JPH04102278A (ja) | 1990-08-20 | 1992-04-03 | Mitsubishi Electric Corp | サーボ信号形成方法 |
JPH0512648A (ja) * | 1991-05-01 | 1993-01-22 | Hitachi Maxell Ltd | 磁気デイスク |
JPH06195907A (ja) | 1992-12-25 | 1994-07-15 | Sony Corp | 磁気記録媒体及び磁気記録媒体へのサーボ信号書き込み方法 |
JPH06203352A (ja) | 1992-12-28 | 1994-07-22 | Nec Corp | 磁気ディスク装置 |
JPH1196708A (ja) | 1997-09-19 | 1999-04-09 | Toshiba Corp | ディスク記憶装置のヘッドロード制御装置及びヘッドロード制御方法 |
JP2000123501A (ja) | 1998-10-14 | 2000-04-28 | Alps Electric Co Ltd | ディスク装置におけるヘッド制御装置 |
US6440520B1 (en) * | 1999-07-09 | 2002-08-27 | International Business Machines Corporation | Patterned magnetic recording disk with substrate patterned by ion implantation |
JP2002216443A (ja) * | 2000-11-17 | 2002-08-02 | Hitachi Ltd | 磁気ディスク装置及びその制御方法 |
US6683737B2 (en) * | 2001-07-19 | 2004-01-27 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for predictive failure analysis technique for head crashes in hard drives using position error signal |
US7106535B2 (en) * | 2001-09-12 | 2006-09-12 | Exabyte Corporation | Method and apparatus for maintaining consistent track pitch in helical scan recorder |
JP2003141833A (ja) * | 2001-11-05 | 2003-05-16 | Matsushita Electric Ind Co Ltd | ヘッド位置決め装置、およびこれを用いたディスク装置 |
JP4157311B2 (ja) * | 2002-03-11 | 2008-10-01 | Tdk株式会社 | 磁気記録媒体および磁気記録装置 |
KR20050070949A (ko) * | 2003-12-31 | 2005-07-07 | 삼성전자주식회사 | 정보저장매체 및 이를 이용한 장치 |
US20050152058A1 (en) * | 2004-01-13 | 2005-07-14 | Thorsten Schmidt | Systems for tighter thresholds in rotatable storage media |
US7139150B2 (en) * | 2004-02-10 | 2006-11-21 | Marvell International Ltd. | Method and system for head position control in embedded disk drive controllers |
KR100594261B1 (ko) * | 2004-02-28 | 2006-06-30 | 삼성전자주식회사 | 데이터 저장 장치에서의 연속적인 헤드 위치 제어 방법 및이를 이용한 디스크 드라이브 |
US7405907B2 (en) * | 2004-08-03 | 2008-07-29 | O-Mass As | Adjacent magnetoresistive read head and method for obtaining position error signal |
US7079344B2 (en) * | 2004-11-30 | 2006-07-18 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording disk drive with data written and read as cross-track magnetizations |
-
2005
- 2005-02-24 JP JP2005048402A patent/JP4134066B2/ja not_active Expired - Fee Related
- 2005-05-26 KR KR1020050044489A patent/KR100740851B1/ko not_active IP Right Cessation
- 2005-05-27 EP EP05253299A patent/EP1696425A1/en not_active Withdrawn
- 2005-05-31 US US11/141,686 patent/US7397627B2/en not_active Expired - Fee Related
- 2005-06-17 CN CNB2005100776297A patent/CN100437757C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006236461A (ja) | 2006-09-07 |
KR100740851B1 (ko) | 2007-07-20 |
EP1696425A1 (en) | 2006-08-30 |
US7397627B2 (en) | 2008-07-08 |
CN100437757C (zh) | 2008-11-26 |
US20060187570A1 (en) | 2006-08-24 |
KR20060094446A (ko) | 2006-08-29 |
JP4134066B2 (ja) | 2008-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOSHIBA STORAGE DEVICE CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20091211 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091211 Address after: Tokyo, Japan, Japan Patentee after: Fujitsu Ltd. Address before: Kanagawa Patentee before: Fujitsu Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20110617 |