JP4134066B2 - ヘッド位置検出方法および記録媒体駆動装置 - Google Patents
ヘッド位置検出方法および記録媒体駆動装置 Download PDFInfo
- Publication number
- JP4134066B2 JP4134066B2 JP2005048402A JP2005048402A JP4134066B2 JP 4134066 B2 JP4134066 B2 JP 4134066B2 JP 2005048402 A JP2005048402 A JP 2005048402A JP 2005048402 A JP2005048402 A JP 2005048402A JP 4134066 B2 JP4134066 B2 JP 4134066B2
- Authority
- JP
- Japan
- Prior art keywords
- head
- recording track
- recording
- track
- recording medium
- 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.)
- Expired - Fee Related
Links
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- 239000010702 perfluoropolyether Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
-
- 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)
Description
Claims (5)
- 隣接する記録トラック同士を隔てる分離トラックおよび前記記録トラックの境界上で前記記録トラックの幅方向に振動に基づきヘッドを移動させる工程と、前記記録トラックに基づき前記ヘッドから供給される出力の最大値から最大値までの間隔t 1 とこの間隔t 1 に隣接する最大値から最大値までの間隔t 2 との差分を検出する工程と、検出された前記差分に基づき、前記ヘッドの位置を特定する位置情報を生成する工程とを備えることを特徴とする記録媒体駆動装置のヘッド位置検出方法。
- 請求項1に記載の記録媒体駆動装置のヘッド位置検出方法において、前記位置情報に基づき、前記記録トラックの中心線に向かって前記ヘッドを移動させる工程をさらに備えることを特徴とする記録媒体駆動装置のヘッド位置検出方法。
- 請求項2に記載の記録媒体駆動装置のヘッド位置検出方法において、前記ヘッドの移動にあたって、前記記録トラック上で第1領域に前記ヘッドを配置する工程と、前記記録トラック上で第1領域に隣接する第2領域に前記ヘッドを配置し、ヘッドの書き込み動作を許容する工程とをさらに備えることを特徴とする記録媒体駆動装置のヘッド位置検出方法。
- 請求項3に記載の記録媒体駆動装置のヘッド位置検出方法において、前記第2領域には、位置決め用の磁気情報が書き込まれることを特徴とする記録媒体駆動装置のヘッド位置検出方法。
- 隣接する記録トラック同士を隔てる分離トラックを区画する記録媒体と、前記記録媒体に向き合わせられるヘッドと、前記ヘッドを支持し、前記記録トラックの幅方向に振動に基づき前記ヘッドを移動させる駆動機構と、前記分離トラックおよび前記記録トラックの境界上で前記記録トラックの幅方向に移動する前記ヘッドから供給される出力の最大値から最大値までの間隔t 1 とこの間隔t 1 に隣接する最大値から最大値までの間隔t 2 との差分を検出し、検出された前記差分に基づき前記駆動機構の動きを制御する制御回路とを備えることを特徴とする記録媒体駆動装置。
Priority Applications (5)
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 |
KR1020050044489A KR100740851B1 (ko) | 2005-02-24 | 2005-05-26 | 헤드 위치 검출 방법 및 기록 매체 구동 장치 |
EP05253299A EP1696425A1 (en) | 2005-02-24 | 2005-05-27 | Method of detecting position of head for recording medium |
US11/141,686 US7397627B2 (en) | 2005-02-24 | 2005-05-31 | Method of detecting position of head for recording medium |
CNB2005100776297A CN100437757C (zh) | 2005-02-24 | 2005-06-17 | 检测用于记录介质的磁头位置的方法 |
Applications Claiming Priority (1)
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006236461A JP2006236461A (ja) | 2006-09-07 |
JP4134066B2 true JP4134066B2 (ja) | 2008-08-13 |
Family
ID=36405889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005048402A Expired - Fee Related 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 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7397627B2 (ja) |
EP (1) | EP1696425A1 (ja) |
JP (1) | JP4134066B2 (ja) |
KR (1) | KR100740851B1 (ja) |
CN (1) | CN100437757C (ja) |
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)
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US3126535A (en) * | 1961-12-27 | 1964-03-24 | Transducer positioning system | |
JPS4920208A (ja) | 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 (ja) | 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 |
EP1696425A1 (en) | 2006-08-30 |
KR20060094446A (ko) | 2006-08-29 |
KR100740851B1 (ko) | 2007-07-20 |
CN1825435A (zh) | 2006-08-30 |
US20060187570A1 (en) | 2006-08-24 |
US7397627B2 (en) | 2008-07-08 |
CN100437757C (zh) | 2008-11-26 |
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