JP2006107722A5 - - Google Patents

Download PDF

Info

Publication number
JP2006107722A5
JP2006107722A5 JP2005292845A JP2005292845A JP2006107722A5 JP 2006107722 A5 JP2006107722 A5 JP 2006107722A5 JP 2005292845 A JP2005292845 A JP 2005292845A JP 2005292845 A JP2005292845 A JP 2005292845A JP 2006107722 A5 JP2006107722 A5 JP 2006107722A5
Authority
JP
Japan
Prior art keywords
recording
error rate
bit error
rate under
parameter
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
Application number
JP2005292845A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006107722A (ja
JP5148823B2 (ja
Filing date
Publication date
Priority claimed from KR1020040079242A external-priority patent/KR100618867B1/ko
Application filed filed Critical
Publication of JP2006107722A publication Critical patent/JP2006107722A/ja
Publication of JP2006107722A5 publication Critical patent/JP2006107722A5/ja
Application granted granted Critical
Publication of JP5148823B2 publication Critical patent/JP5148823B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2005292845A 2004-10-05 2005-10-05 ディスクドライブ，記録媒体そして記録パラメータを補償する方法 Expired - Fee Related JP5148823B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2004-0079242 2004-10-05
KR1020040079242A KR100618867B1 (ko) 2004-10-05 2004-10-05 하드디스크 드라이브의 기록 파라메터 보정값 산출 방법및 이에 적합한 기록매체

Publications (3)

Publication Number Publication Date
JP2006107722A JP2006107722A (ja) 2006-04-20
JP2006107722A5 true JP2006107722A5 (enExample) 2008-11-20
JP5148823B2 JP5148823B2 (ja) 2013-02-20

Family

ID=36125257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005292845A Expired - Fee Related JP5148823B2 (ja) 2004-10-05 2005-10-05 ディスクドライブ，記録媒体そして記録パラメータを補償する方法

Country Status (3)

Country Link
US (1) US7489461B2 (enExample)
JP (1) JP5148823B2 (enExample)
KR (1) KR100618867B1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4991167B2 (ja) * 2006-03-10 2012-08-01 株式会社東芝 情報記憶装置、情報記憶装置のライト電流調整方法及び書込制御回路
KR100800474B1 (ko) * 2006-06-30 2008-02-04 삼성전자주식회사 하드디스크 드라이브의 헤드 특성 판별 방법 및 이에적합한 기록 매체
KR100771880B1 (ko) * 2006-08-17 2007-11-01 삼성전자주식회사 데이터 저장매체의 보자력 분포를 이용한 데이터 기록 방법
KR100871647B1 (ko) * 2007-02-16 2008-12-02 삼성전자주식회사 하드디스크 드라이브, 하드디스크 드라이브의 기록파라미터를 최적화하는 방법 및 그 방법을 수행하는 컴퓨터프로그램을 기록한 기록 매체
JP2009032325A (ja) * 2007-07-26 2009-02-12 Fujitsu Ltd 記憶装置、制御方法及び制御ユニット
JP2009093768A (ja) 2007-10-11 2009-04-30 Fujitsu Ltd 記憶装置及び記憶制御回路
US7880998B2 (en) * 2007-12-21 2011-02-01 Hitachi Global Storage Technologies Netherlands B.V. Multiple writing process for magnetic bit-patterned media
US7944641B2 (en) * 2008-01-28 2011-05-17 Samsung Electronics Co., Ltd. Overshoot duration range selection in a hard disk drive
KR20090106126A (ko) * 2008-04-04 2009-10-08 삼성전자주식회사 하드 디스크 드라이브 및 하드 디스크 드라이브의기록검증기능 활성화 온도설정방법
US8537480B1 (en) 2010-11-23 2013-09-17 Western Digital Technologies, Inc. Hard drive testing
US8699161B2 (en) 2012-03-09 2014-04-15 Lsi Corporation Storage device having write signal with multiple-slope data transition
US8934188B1 (en) * 2013-09-25 2015-01-13 Seagate Technology Llc Adaptive write pole tip protrusion compensation
US9824699B1 (en) * 2017-01-31 2017-11-21 Seagate Technology Llc Lumped-parameter thermal model of a write transducer for clearance control on magnetic recording device
JP2019160381A (ja) * 2018-03-16 2019-09-19 株式会社東芝 ディスク装置、プリアンプ、及び制御方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05282607A (ja) 1992-03-31 1993-10-29 Sony Corp 磁気ディスク装置
JPH07161137A (ja) 1993-12-08 1995-06-23 Toshiba Corp データ記録再生装置及びパラメータ設定方法
US5774285A (en) 1995-09-06 1998-06-30 Seagate Technology, Inc. Selection of optimal read/write channel parameters in a hard disc drive
US6201653B1 (en) 1998-06-12 2001-03-13 International Business Machines Corporation By-pass write drivers for high-performance data recording
JP2002298307A (ja) * 2001-03-29 2002-10-11 Internatl Business Mach Corp <Ibm> データ記憶装置、書き込み電流制御回路および書き込み電流の制御方法
KR100468716B1 (ko) 2001-09-07 2005-01-29 삼성전자주식회사 데이터 저장 시스템에서의 성능 개선을 위한 더미 라이트방법 및 장치
US6798591B2 (en) * 2001-10-29 2004-09-28 Texas Instruments Incorporated Reference circuit for write driver circuit with programmable write current, overshoot duration and overshoot amplitude control
JP2004281012A (ja) * 2003-03-19 2004-10-07 Hitachi Ltd 記録電流の制御方法及び磁気ディスク装置
KR100585103B1 (ko) * 2003-10-08 2006-06-01 삼성전자주식회사 하드디스크 드라이브의 헤드 종류 판별 방법 및 이를이용한 기록 파라메터 최적화 방법
JP2005135543A (ja) * 2003-10-31 2005-05-26 Toshiba Corp 磁気ディスク装置及びライト制御方法
KR100532486B1 (ko) * 2003-12-24 2005-12-02 삼성전자주식회사 하드디스크 드라이브의 기록 전류 제어 방법
JP2006085832A (ja) * 2004-09-16 2006-03-30 Hitachi Global Storage Technologies Inc 記録電流の制御方法及び磁気ディスク装置

Similar Documents

Publication Publication Date Title
CN106024021B (zh) 用于hamr设备中的激光器温度校准的方法
JP2006107722A5 (enExample)
US7492543B2 (en) Control device, control method, and storage apparatus for controlling read head and write head clearance
US8059357B1 (en) Disk drive adjusting fly height when calibrating head/disk contact
US8873353B1 (en) Estimating narrow, laser-induced protrusion at a near-field transducer
JP2007042239A (ja) 磁気ディスク装置及び磁気ディスク装置の製造方法
JP2016194967A5 (enExample)
JP2008204601A5 (enExample)
US10049692B1 (en) Closed-loop fly height control using sector-specific, repeatable VGA values
JP2020187815A5 (enExample)
JP5148823B2 (ja) ディスクドライブ，記録媒体そして記録パラメータを補償する方法
US20170018284A1 (en) Thermally Assisted Writer Protrusion Determination and Control
US9892752B1 (en) Selecting a maximum laser power for a calibration based on a previously measured function
US9837118B1 (en) Determining thermal gradient of heat-assisted magnetic recording hotspot based on timing errors
JP4803839B2 (ja) ヘッドスライダの浮上量制御方法、および情報記憶装置
US9001453B1 (en) Data storage device calibrating fly height actuator based on read mode touchdown resistance of touchdown sensor
JP2005267841A (ja) 書き込みを制御してａｔｉとスクイーズの影響を最小にする装置及び方法
JP2005216446A (ja) 光記録条件設定方法、光記録再生装置、制御プログラム、及び記録媒体
JP2004213865A (ja) 光記録パルス条件設定方法、光変調記録再生装置、制御プログラム、及び記録媒体
CN101017670A (zh) 光盘装置和记录条件设定方法
CN101770786B (zh) 烧录功率补偿系统及方法
US9824699B1 (en) Lumped-parameter thermal model of a write transducer for clearance control on magnetic recording device
JP4716506B2 (ja) ハードディスクドライブのバイアス力の補償方法と，それに適したバイアス力プロファイルの作成方法，記録媒体，ハードディスクドライブ，およびコンピュータ
JP2004273073A5 (enExample)
CN101034566B (zh) 光记录介质的记录装置