DE68923366D1 - MIG-Magnetkopf. - Google Patents

MIG-Magnetkopf.

Info

Publication number
DE68923366D1
DE68923366D1 DE68923366T DE68923366T DE68923366D1 DE 68923366 D1 DE68923366 D1 DE 68923366D1 DE 68923366 T DE68923366 T DE 68923366T DE 68923366 T DE68923366 T DE 68923366T DE 68923366 D1 DE68923366 D1 DE 68923366D1
Authority
DE
Germany
Prior art keywords
magnetic head
mig magnetic
mig
head
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 - Fee Related
Application number
DE68923366T
Other languages
English (en)
Other versions
DE68923366T2 (de
Inventor
Mats Thomas Rask
Leroy Leland Longworth
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology International
Seagate Technology LLC
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 Seagate Technology International, Seagate Technology LLC filed Critical Seagate Technology International
Application granted granted Critical
Publication of DE68923366D1 publication Critical patent/DE68923366D1/de
Publication of DE68923366T2 publication Critical patent/DE68923366T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
    • G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
    • G11B5/1878—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE68923366T 1989-05-31 1989-11-15 MIG-Magnetkopf. Expired - Fee Related DE68923366T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/359,162 US5001589A (en) 1989-05-31 1989-05-31 Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads

Publications (2)

Publication Number Publication Date
DE68923366D1 true DE68923366D1 (de) 1995-08-10
DE68923366T2 DE68923366T2 (de) 1995-11-09

Family

ID=23412596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923366T Expired - Fee Related DE68923366T2 (de) 1989-05-31 1989-11-15 MIG-Magnetkopf.

Country Status (7)

Country Link
US (1) US5001589A (de)
EP (1) EP0400242B1 (de)
JP (1) JPH0619812B2 (de)
CN (1) CN1021491C (de)
DE (1) DE68923366T2 (de)
HK (1) HK96596A (de)
PT (1) PT93377B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03286407A (ja) * 1990-04-03 1991-12-17 Alps Electric Co Ltd 磁気ヘッド
JPH0413207A (ja) * 1990-04-28 1992-01-17 Hitachi Metals Ltd 複合型磁気ヘッド
NL9100192A (nl) * 1991-02-04 1992-09-01 Philips Nv Magneetkop.
WO1993015593A1 (en) * 1992-01-28 1993-08-05 Hutchinson Technology Incorporated Carrier strip head interconnect assembly
US5558944A (en) * 1993-08-10 1996-09-24 Tdk Corporation Magnetic head and a process for production thereof
JP3511371B2 (ja) * 2000-04-13 2004-03-29 アルプス電気株式会社 薄膜磁気ヘッド及びその製造方法
US7525760B2 (en) * 2005-04-11 2009-04-28 Hitachi Global Storage Technologies B.V. Laminated write gap to improve writer performance
US7500302B2 (en) * 2005-04-11 2009-03-10 Hitachi Global Storage Technologies, Netherlands B.V. Process for fabricating a magnetic recording head with a laminated write gap

Family Cites Families (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999216A (en) * 1970-07-30 1976-12-21 Eastman Kodak Company Material for magnetic transducer heads
US4025379A (en) * 1973-05-03 1977-05-24 Whetstone Clayton N Method of making laminated magnetic material
FR2256491B1 (de) * 1973-12-28 1978-10-27 Sagem
FR2362465A1 (fr) * 1976-08-16 1978-03-17 Matsushita Electric Ind Co Ltd Tete magnetique et procede pour sa fabrication
US4217541A (en) * 1977-05-18 1980-08-12 Herman Rossman Method of accurate control of current and power of a magnetic current and power control device
US4417200A (en) * 1977-05-18 1983-11-22 Herman Rosman Current control
US4182643A (en) * 1977-07-05 1980-01-08 Control Data Corporation Method of forming gaps in magnetic heads
JPS5810764B2 (ja) * 1977-09-30 1983-02-28 岩崎 俊一 磁気記録再生装置
AT365804B (de) * 1977-12-20 1982-02-25 Bogen Wolfgang Abriebfester magnetkopf
DE2856795C2 (de) * 1977-12-30 1984-12-06 Noboru Prof. Sendai Tsuya Verwendung einer Stahlschmelze für ein Verfahren zum Stranggießen eines dünnen Bandes
US4168445A (en) * 1978-02-28 1979-09-18 The United States Of America As Represented By The Secretary Of The Navy Offset liquid metal storage method and means
FR2427989A1 (fr) * 1978-06-07 1980-01-04 Rhone Poulenc Textile Dispositif pour la regulation de la vitesse d'un organe delivreur ou renvideur de fil, en fonction de la vitesse d'appel de delivrage du fil
US4217613A (en) * 1978-11-06 1980-08-12 Rca Corporation Magnetic transducer head core
JPS55117723A (en) * 1979-02-28 1980-09-10 Sony Corp Magnetic head
JPS57155339A (en) * 1981-03-20 1982-09-25 Matsushita Electric Ind Co Ltd Magnetic head and production thereof
JPS5888814A (ja) * 1981-11-24 1983-05-27 Matsushita Electric Ind Co Ltd 磁気ヘツド
US4578728A (en) * 1981-12-09 1986-03-25 Matsushita Electric Industrial Co., Ltd. Magnetic head
US4577250A (en) * 1981-12-18 1986-03-18 Victor Company Of Japan, Limited Hall effect magnetic head
EP0091989A1 (de) * 1982-04-15 1983-10-26 The Furukawa Electric Co., Ltd. Legierung mit hoher Permeabilität
NL192546C (nl) * 1982-07-19 1997-09-02 Nippon Telegraph & Telephone Leeskop voor een met hoge dichtheid uitgevoerde magnetische registratie.
US4697217A (en) * 1982-10-13 1987-09-29 Sanyo Electric Co., Ltd. Magnetic head having a main core of sheet amorphous magnetic material
JPS59185015A (ja) * 1983-04-04 1984-10-20 Hitachi Ltd 磁気ヘツドおよびその製造方法
US4755898A (en) * 1983-06-13 1988-07-05 Matsushita Electric Industrial Co., Ltd. Amorphous magnetic head
JPS6063710A (ja) * 1983-09-19 1985-04-12 Hitachi Ltd 磁気ディスク媒体
DE3465661D1 (en) * 1983-11-02 1987-10-01 Hitachi Ltd Ferromagnetic material, ferromagnetic laminate and magnetic head
JPH0622170B2 (ja) * 1983-12-16 1994-03-23 株式会社日立製作所 磁気ヘッド
JPS60229210A (ja) * 1983-12-30 1985-11-14 Sony Corp 磁気ヘツド
NL8400140A (nl) * 1984-01-17 1985-08-16 Philips Nv Magneetkop.
JPH0656647B2 (ja) * 1985-01-26 1994-07-27 ソニー株式会社 磁気ヘツド
FR2563063B1 (fr) * 1984-04-12 1986-06-20 Bech Jean Coupleur-reducteur epicycloidal a induction pour machines a tres grande vitesse de rotation
JPS6111921A (ja) * 1984-06-27 1986-01-20 Tdk Corp 磁気記録媒体および磁気記録方法
JPH0687300B2 (ja) * 1984-08-02 1994-11-02 ティーディーケイ株式会社 磁気記録方法
JPS6142713A (ja) * 1984-08-07 1986-03-01 Sanyo Electric Co Ltd 磁気ヘツド及びその製造方法
JPS6174103A (ja) * 1984-09-20 1986-04-16 Hitachi Metals Ltd 磁気記録装置
JPS61184705A (ja) * 1985-02-13 1986-08-18 Hitachi Ltd 磁気ヘツド
DE3685230D1 (de) * 1985-02-15 1992-06-17 Matsushita Electric Ind Co Ltd Magnetkopf.
JPH0640361B2 (ja) * 1985-03-07 1994-05-25 日本ビクター株式会社 垂直磁気記録再生方法
GB2174710B (en) * 1985-04-22 1989-04-19 Tdk Corp Coating type perpendicular magnetic recording medium for digital recording
JPH0770020B2 (ja) * 1985-06-14 1995-07-31 株式会社日立製作所 磁気ヘツド
US4783711A (en) * 1985-07-12 1988-11-08 Hitachi, Ltd. Magnetoresistive sensor having magnetic shields of ferrite
DE3537110A1 (de) * 1985-10-18 1987-04-23 Grundig Emv Mig-magnetkopf
US4652954A (en) * 1985-10-24 1987-03-24 International Business Machines Method for making a thin film magnetic head
DE3687217D1 (de) * 1985-11-29 1993-01-14 Grundig Emv Verfahren zur herstellung von magnetkoepfen.
JPS62188009A (ja) * 1986-02-13 1987-08-17 Matsushita Electric Ind Co Ltd 磁気ヘツドの製造法
JPS62192016A (ja) * 1986-02-19 1987-08-22 Alps Electric Co Ltd 垂直磁気記録用磁気ヘツドおよびその製造方法
JPH0727617B2 (ja) * 1986-03-19 1995-03-29 日本電気株式会社 薄膜磁気ヘッドの製造方法
DE3609958A1 (de) * 1986-03-25 1987-10-01 Grundig Emv Mig-magnetkopf
CN1012113B (zh) * 1986-05-21 1991-03-20 菲利浦光灯制造公司 磁芯面装有包层的磁传感头
GB8615248D0 (en) * 1986-06-23 1986-07-30 Blakeley P J Arc welding
US4742412A (en) * 1986-07-02 1988-05-03 Alps Electric Co Ltd Magnetic head having dual asymmetric gaps
JPH0731782B2 (ja) * 1986-10-28 1995-04-10 アルプス電気株式会社 浮動式磁気ヘツド
DE3769301D1 (de) * 1986-12-03 1991-05-16 Philips Nv Magnetkopf mit einem elektro-chemisch inerten spalt aus hartem material.
US4712032A (en) * 1986-12-08 1987-12-08 General Electric Company Liquid metal circulation in an acyclic generator collector
US4767957A (en) * 1986-12-08 1988-08-30 General Electric Company Liquid metal collector for acyclic generator
JPS6416005A (en) * 1987-07-09 1989-01-19 Nec Corp Transistor amplifier
JPS6486307A (en) * 1987-09-29 1989-03-31 Citizen Watch Co Ltd Manufacture of metal-in gap magnetic head
US4780779A (en) * 1987-11-19 1988-10-25 Ampex Corporation Laminated sendust metal-in-gap video head
DE3807894C1 (en) * 1988-03-10 1989-02-23 Robert Bosch Gmbh, 7000 Stuttgart, De Process for producing MIG magnetic heads
JP2625838B2 (ja) * 1988-03-23 1997-07-02 ソニー株式会社 磁気ヘッド
EP0378160B1 (de) * 1989-01-10 1994-11-23 Matsushita Electric Industrial Co., Ltd. Magnetkopf und Herstellungsverfahren

Also Published As

Publication number Publication date
PT93377B (pt) 1997-10-31
HK96596A (en) 1996-06-14
PT93377A (pt) 1992-01-31
EP0400242A1 (de) 1990-12-05
DE68923366T2 (de) 1995-11-09
CN1047748A (zh) 1990-12-12
JPH0619812B2 (ja) 1994-03-16
CN1021491C (zh) 1993-06-30
EP0400242B1 (de) 1995-07-05
US5001589A (en) 1991-03-19
JPH038104A (ja) 1991-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee