JPS5911578A - デイスクヘツドの浮動安定性評価方法及び同装置 - Google Patents

デイスクヘツドの浮動安定性評価方法及び同装置

Info

Publication number
JPS5911578A
JPS5911578A JP11852382A JP11852382A JPS5911578A JP S5911578 A JPS5911578 A JP S5911578A JP 11852382 A JP11852382 A JP 11852382A JP 11852382 A JP11852382 A JP 11852382A JP S5911578 A JPS5911578 A JP S5911578A
Authority
JP
Japan
Prior art keywords
head
medium
disk
recording medium
floating stability
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
JP11852382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140427B2 (https=
Inventor
Takanori Kaizuka
貝塚　隆則
Yoshihisa Suzuki
喜久 鈴木
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 true JPS5911578A (ja) 1984-01-21
JPH0140427B2 JPH0140427B2 (https=) 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 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5993982A (en) * 1997-03-18 1999-11-30 Fujitsu Limited Method and apparatus for evaluating durability of magnetic disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5993982A (en) * 1997-03-18 1999-11-30 Fujitsu Limited Method and apparatus for evaluating durability of magnetic disk

Also Published As

Publication number Publication date
JPH0140427B2 (https=) 1989-08-29

Similar Documents

Publication Publication Date Title
US6819517B2 (en) Disc drive servo track writer gas leak detector and method
KR100257222B1 (ko) 슬라이더/디스크 접촉면의 fm 검출
US6861854B1 (en) Peizoelectric microactuator and sensor failure detection in disk drives
KR20040013130A (ko) 저밀도 가스를 함유한 디스크 드라이브용 초기 누출 검출시스템
JP3027769B2 (ja) 干渉計方式浮上量測定装置
US6225799B1 (en) Method and apparatus for testing magnetic heads and hard disks
Jeong et al. An experimental study of the parameters that determine slider-disk contacts during dynamic load-unload
US5824920A (en) Apparatus for evaluating magnetic recording medium
US5311287A (en) Direct access storage device with head-disc dynamics monitor
JPS5911578A (ja) デイスクヘツドの浮動安定性評価方法及び同装置
US4091654A (en) Magnetic recording member abrasion tester
US7236321B1 (en) Method for preventing data loss in a hard disk drive by projecting reduction in helium concentration using insitu non-repeatable runout
US6804010B1 (en) Optical coating thickness optimization for fly height test media
JPH06309636A (ja) 磁気ヘッドおよび磁気ディスクの検査方法
US6665077B1 (en) Method and apparatus for enhanced sensitivity fly height testing and measurement
US7212370B1 (en) Method for reducing time loss during manufacture of hard disk drives by predicting reduction in helium concentration using insitu non-repeatable runout
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
JPS62132283A (ja) 磁気ヘツドの試験方法
Bhushan Measurement Techniques of Head and Medium Wear
KR100285916B1 (ko) 하드디스크 드라이브용 슬라이더 및 이를 이용한 부상높이 결정방법
JPH0762947B2 (ja) 磁気デイスク装置
JP2006317446A (ja) かく乱環境中の干渉分光法測定
JPS63187422A (ja) 磁気デイスク記録媒体の耐久性試験方法および試験装置
Yanabe et al. Measurement of sliding behavior of a magnetic head slider in CSS test