JP2001283506A - 記憶媒体ディスクの駆動ユニットの機械的な駆動特性を評価する方法と装置 - Google Patents

記憶媒体ディスクの駆動ユニットの機械的な駆動特性を評価する方法と装置

Info

Publication number
JP2001283506A
JP2001283506A JP2000109227A JP2000109227A JP2001283506A JP 2001283506 A JP2001283506 A JP 2001283506A JP 2000109227 A JP2000109227 A JP 2000109227A JP 2000109227 A JP2000109227 A JP 2000109227A JP 2001283506 A JP2001283506 A JP 2001283506A
Authority
JP
Japan
Prior art keywords
disk
drive
torque
storage medium
measured
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.)
Pending
Application number
JP2000109227A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001283506A5 (enExample
Inventor
Tetsuji Tojima
哲二 東島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissho Electric Works Co Ltd
Original Assignee
Nissho Electric Works Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nissho Electric Works Co Ltd filed Critical Nissho Electric Works Co Ltd
Priority to JP2000109227A priority Critical patent/JP2001283506A/ja
Priority to US09/770,803 priority patent/US20010037691A1/en
Publication of JP2001283506A publication Critical patent/JP2001283506A/ja
Publication of JP2001283506A5 publication Critical patent/JP2001283506A5/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00Measuring torque, work, mechanical power, or mechanical efficiency, in general

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Rotational Drive Of Disk (AREA)
JP2000109227A 2000-01-28 2000-04-11 記憶媒体ディスクの駆動ユニットの機械的な駆動特性を評価する方法と装置 Pending JP2001283506A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000109227A JP2001283506A (ja) 2000-01-28 2000-04-11 記憶媒体ディスクの駆動ユニットの機械的な駆動特性を評価する方法と装置
US09/770,803 US20010037691A1 (en) 2000-01-28 2001-01-26 Method for evaluating mechanical driving characteristics of driving unit of storage medium disk and apparatus therefor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000020020 2000-01-28
JP2000-20020 2000-01-28
JP2000109227A JP2001283506A (ja) 2000-01-28 2000-04-11 記憶媒体ディスクの駆動ユニットの機械的な駆動特性を評価する方法と装置

Publications (2)

Publication Number Publication Date
JP2001283506A true JP2001283506A (ja) 2001-10-12
JP2001283506A5 JP2001283506A5 (enExample) 2007-05-31

Family

ID=26584374

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000109227A Pending JP2001283506A (ja) 2000-01-28 2000-04-11 記憶媒体ディスクの駆動ユニットの機械的な駆動特性を評価する方法と装置

Country Status (2)

Country Link
US (1) US20010037691A1 (enExample)
JP (1) JP2001283506A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7602129B2 (en) 2006-03-28 2009-10-13 Fujitsu Limited Rotary-motor-loaded device and control characteristic measurement method and program

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7398141B2 (en) * 2004-08-11 2008-07-08 Stemco Lp Gravity based brake stroke sensor methods and systems
EP3296755B1 (de) * 2016-09-14 2022-03-23 Siemens Aktiengesellschaft Ermittlung von lastgrössen im laufenden betrieb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7602129B2 (en) 2006-03-28 2009-10-13 Fujitsu Limited Rotary-motor-loaded device and control characteristic measurement method and program

Also Published As

Publication number Publication date
US20010037691A1 (en) 2001-11-08

Similar Documents

Publication Publication Date Title
US6785081B2 (en) Fly height detector
US20090135512A1 (en) Electrical current as probe for modulation at head-disk interface
US6861854B1 (en) Peizoelectric microactuator and sensor failure detection in disk drives
TWI223237B (en) Sensor system for a disc device having suspension floating pick-up head
JP2001283506A (ja) 記憶媒体ディスクの駆動ユニットの機械的な駆動特性を評価する方法と装置
US7481116B1 (en) Device and method for measuring fan vibration
US20050174667A1 (en) Electrical current as probe for modulation at head-disk interface
KR100537513B1 (ko) 디스크 드라이브의 헤드 로딩 제어 장치 및 제어 방법
JPH04330608A (ja) 磁気ヘッドの接触力検出方法
He et al. Experimental study on head-disk interaction in ramp loading process
JP2595540B2 (ja) 磁気ディスク装置
KR20100024643A (ko) 하드디스크 드라이브의 제조방법, 하드디스크 드라이브의 제조장치 및 하드디스크 드라이브
WO2011111550A1 (ja) 転がり軸受装置のトルク測定方法、転がり軸受装置のトルク測定装置、転がり軸受のトルク測定方法および転がり軸受のトルク測定装置
JP2600615B2 (ja) 磁気ヘッド挙動測定方法及び測定装置
JP4265243B2 (ja) 軸受ユニットの予圧測定機
JP3331804B2 (ja) 摩擦摩耗試験装置および摩擦摩耗試験方法
JP3905235B2 (ja) 摩擦力試験装置
CN115962938B (zh) 陀螺仪的h型动压轴承陀螺电机气膜刚度非接触测试方法
JP2001356060A (ja) 記憶媒体駆動装置の動的機械特性を評価する方法およびそのシステム
JP3179597B2 (ja) 円盤状磁気記録媒体の走行トルクの測定方法及び装置
US6785072B1 (en) Disc drive stiction/friction characterization utilizing piezoelectric microactuators
Taniguchi et al. Development of evaluation method of gas viscous friction force acting on head/disk interface
KR101004324B1 (ko) 액추에이터 구동모터의 램프식 파킹장치에 대한 토크측정기 및 그 측정방법
Tandon et al. Vibration monitoring of computer hard disk drives
JP2001118201A (ja) ディスク変形検査方法、ディスク変形検査装置および磁気ディスク装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070409

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070409

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090806

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090908

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100126