DE3479693D1 - Magnetic head for perpendicular magnetic recording system - Google Patents

Magnetic head for perpendicular magnetic recording system

Info

Publication number
DE3479693D1
DE3479693D1 DE8484114085T DE3479693T DE3479693D1 DE 3479693 D1 DE3479693 D1 DE 3479693D1 DE 8484114085 T DE8484114085 T DE 8484114085T DE 3479693 T DE3479693 T DE 3479693T DE 3479693 D1 DE3479693 D1 DE 3479693D1
Authority
DE
Germany
Prior art keywords
recording system
magnetic recording
magnetic head
magnetic
perpendicular magnetic
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
DE8484114085T
Other languages
English (en)
Inventor
Nobuyuki Kishine
Tetsuya Imamura
Hideyuki Minami
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.)
Kao Corp
Original Assignee
Kao Corp
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 Kao Corp filed Critical Kao Corp
Application granted granted Critical
Publication of DE3479693D1 publication Critical patent/DE3479693D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
DE8484114085T 1983-11-30 1984-11-22 Magnetic head for perpendicular magnetic recording system Expired DE3479693D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58227728A JPS60119609A (ja) 1983-11-30 1983-11-30 垂直磁気記録方式の磁気ヘツド

Publications (1)

Publication Number Publication Date
DE3479693D1 true DE3479693D1 (en) 1989-10-12

Family

ID=16865423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484114085T Expired DE3479693D1 (en) 1983-11-30 1984-11-22 Magnetic head for perpendicular magnetic recording system

Country Status (4)

Country Link
US (1) US4644431A (de)
EP (1) EP0144862B1 (de)
JP (1) JPS60119609A (de)
DE (1) DE3479693D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218811B1 (de) * 1985-07-19 1991-05-29 Kabushiki Kaisha Toshiba Gleitstückzusammenbau für magnetische Köpfe
JPH0725526B2 (ja) * 1985-08-06 1995-03-22 花王株式会社 ガラス状カ−ボン材料、その製造方法およびそれを用いた記録媒体の摺接部品
FR2597247B1 (fr) * 1986-04-11 1995-01-27 Thomson Csf Procede de realisation d'une couche de protection mecanique pour tete magnetique d'enregistrement/lecture et tete magnetique d'enregistrement/lecture mettant en oeuvre ce procede
EP0267476B1 (de) * 1986-11-10 1992-08-05 Kao Corporation Verbundwerkstoff aus glasartigem Kohlenstoff und Verfahren zu seiner Herstellung
FR2611970B1 (fr) * 1987-03-06 1989-05-26 Thomson Csf Procede de realisation d'une tete magnetique en couches minces et application a une tete d'enretistrement/lecture
JPH0770021B2 (ja) * 1987-07-30 1995-07-31 日機装株式会社 磁気ヘッド
FR2622338B1 (fr) * 1987-10-27 1990-01-26 Thomson Csf Tete magnetique d'enregistrement-lecture a couche anti-abrasion et procede de realisation
JPH03120601A (ja) * 1989-10-04 1991-05-22 Nikon Corp 光磁気ディスク装置の外部磁界発生装置
JP2913595B2 (ja) * 1993-07-28 1999-06-28 サンクス 株式会社 検出スイッチの製造方法および検出スイッチ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122247A (en) * 1976-08-23 1978-10-24 General Electric Company Process for the polymerization of cyclic diorganopolysiloxanes with cation-complex catalysts
FI60380C (fi) * 1977-02-21 1982-01-11 Jorma K Rautavuori Foerfarande foer framstaellning av glasliknande kol
JPS53132322A (en) * 1977-04-22 1978-11-18 Nec Corp Magnetic head
US4745509A (en) * 1981-08-21 1988-05-17 Matsushita Electric Industrial Company, Limited Magnetic head with improved supporter for perpendicular magnetization recording
JPS58177511A (ja) * 1982-04-09 1983-10-18 Alps Electric Co Ltd 磁気ヘツド
JPS59162613A (ja) * 1983-03-07 1984-09-13 Fuji Xerox Co Ltd 垂直磁気ヘツド
JPS59229721A (ja) * 1983-06-09 1984-12-24 Matsushita Electric Ind Co Ltd 垂直磁気記録用ヘツド

Also Published As

Publication number Publication date
US4644431A (en) 1987-02-17
EP0144862A3 (en) 1987-02-25
JPS60119609A (ja) 1985-06-27
EP0144862A2 (de) 1985-06-19
JPH0348569B2 (de) 1991-07-24
EP0144862B1 (de) 1989-09-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee