JPH0140427B2 - - Google Patents

Info

Publication number
JPH0140427B2
JPH0140427B2 JP11852382A JP11852382A JPH0140427B2 JP H0140427 B2 JPH0140427 B2 JP H0140427B2 JP 11852382 A JP11852382 A JP 11852382A JP 11852382 A JP11852382 A JP 11852382A JP H0140427 B2 JPH0140427 B2 JP H0140427B2
Authority
JP
Japan
Prior art keywords
head
disk
floating stability
recording medium
pressure
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
Application number
JP11852382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5911578A (ja
Inventor
Takanori Kaizuka
Yoshihisa Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11852382A priority Critical patent/JPS5911578A/ja
Publication of JPS5911578A publication Critical patent/JPS5911578A/ja
Publication of JPH0140427B2 publication Critical patent/JPH0140427B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • 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
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider

Landscapes

  • Supporting Of Heads In Record-Carrier Devices (AREA)
JP11852382A 1982-07-09 1982-07-09 デイスクヘツドの浮動安定性評価方法及び同装置 Granted JPS5911578A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11852382A JPS5911578A (ja) 1982-07-09 1982-07-09 デイスクヘツドの浮動安定性評価方法及び同装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11852382A JPS5911578A (ja) 1982-07-09 1982-07-09 デイスクヘツドの浮動安定性評価方法及び同装置

Publications (2)

Publication Number Publication Date
JPS5911578A JPS5911578A (ja) 1984-01-21
JPH0140427B2 true JPH0140427B2 (enExample) 1989-08-29

Family

ID=14738715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11852382A Granted JPS5911578A (ja) 1982-07-09 1982-07-09 デイスクヘツドの浮動安定性評価方法及び同装置

Country Status (1)

Country Link
JP (1) JPS5911578A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10261201A (ja) * 1997-03-18 1998-09-29 Fujitsu Ltd 磁気ディスクの耐久性評価方法及び装置

Also Published As

Publication number Publication date
JPS5911578A (ja) 1984-01-21

Similar Documents

Publication Publication Date Title
US6819517B2 (en) Disc drive servo track writer gas leak detector and method
KR100838877B1 (ko) 저밀도 가스를 함유한 디스크 드라이브용 초기 누출 검출시스템
US6861854B1 (en) Peizoelectric microactuator and sensor failure detection in disk drives
US6417981B1 (en) System and method for measuring absolute transducer-medium clearance using a thermal response of an MR transducer
JP2711207B2 (ja) クリアランス及び滑りの測定が可能でヘッド衝突の警告をするディスク・ファイル記憶装置及びクリアランス測定方法
US6785081B2 (en) Fly height detector
US7119979B2 (en) Measurement of slider clearance by inducing collision of the slider with disk surface
KR100257223B1 (ko) 자기 강성 디스크 드라이브에 대한 비파괴 제자리 안착 속도결정 방법
US4866553A (en) Magnetic disk apparatus having a structure suitable for measuring a minute flying weight
CN101004918A (zh) 防止硬盘驱动器数据丢失的方法
Jeong et al. An experimental study of the parameters that determine slider-disk contacts during dynamic load-unload
US7121133B2 (en) System, method, and apparatus for glide head calibration with enhanced PZT channel for very low qualification glide heights
US5311287A (en) Direct access storage device with head-disc dynamics monitor
EP0795175B1 (en) Method and apparatus for detecting degradation in data storage system spindle motor performance
JPH0140427B2 (enExample)
JPH0323989B2 (enExample)
JPH0457215B2 (enExample)
US8405927B2 (en) Apparatus and method for detecting low flying sliders
Klaassen et al. Slider-disk clearance measurements in magnetic disk drives using the readback transducer
JPH06309636A (ja) 磁気ヘッドおよび磁気ディスクの検査方法
JPS62132282A (ja) 浮上型磁気ヘツドの浮上試験方法
US7212370B1 (en) Method for reducing time loss during manufacture of hard disk drives by predicting reduction in helium concentration using insitu non-repeatable runout
US6985317B2 (en) Method and apparatus for testing the reliability of a disk drive
He et al. Experimental study on head-disk interaction in ramp loading process
Deng et al. Drive-level flying height measurements and altitude effects