DE69521965T2 - Magnetkopf und herstellungsverfahren - Google Patents

Magnetkopf und herstellungsverfahren

Info

Publication number
DE69521965T2
DE69521965T2 DE69521965T DE69521965T DE69521965T2 DE 69521965 T2 DE69521965 T2 DE 69521965T2 DE 69521965 T DE69521965 T DE 69521965T DE 69521965 T DE69521965 T DE 69521965T DE 69521965 T2 DE69521965 T2 DE 69521965T2
Authority
DE
Germany
Prior art keywords
manufacturing
magnetic head
magnetic
head
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
DE69521965T
Other languages
English (en)
Other versions
DE69521965D1 (de
Inventor
Mitsuharu Shouji
Hiroyuki Ohmori
Yasunari Sugiyama
Tetsuya Yamamoto
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.)
Sony Corp
Original Assignee
Sony 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
Priority claimed from JP9476994A external-priority patent/JPH07302408A/ja
Priority claimed from JP15427894A external-priority patent/JPH087215A/ja
Priority claimed from JP20127294A external-priority patent/JPH0822609A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69521965D1 publication Critical patent/DE69521965D1/de
Application granted granted Critical
Publication of DE69521965T2 publication Critical patent/DE69521965T2/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • 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
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • 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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • G11B5/1475—Assembling or shaping of elements
    • 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
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/3109—Details
    • G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69521965T 1994-05-09 1995-05-09 Magnetkopf und herstellungsverfahren Expired - Fee Related DE69521965T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9476994A JPH07302408A (ja) 1994-05-09 1994-05-09 磁気ヘッド及びその製造方法
JP15427894A JPH087215A (ja) 1994-06-13 1994-06-13 磁気ヘッド及びその製造方法
JP20127294A JPH0822609A (ja) 1994-06-30 1994-06-30 磁気ヘッド及びその製造方法
PCT/JP1995/000884 WO1995030984A1 (fr) 1994-05-09 1995-05-09 Tete magnetique et sa fabrication

Publications (2)

Publication Number Publication Date
DE69521965D1 DE69521965D1 (de) 2001-09-06
DE69521965T2 true DE69521965T2 (de) 2002-04-04

Family

ID=27307636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521965T Expired - Fee Related DE69521965T2 (de) 1994-05-09 1995-05-09 Magnetkopf und herstellungsverfahren

Country Status (5)

Country Link
US (1) US5796564A (de)
EP (1) EP0709828B1 (de)
KR (1) KR960704303A (de)
DE (1) DE69521965T2 (de)
WO (1) WO1995030984A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08203030A (ja) * 1995-01-25 1996-08-09 Sony Corp 磁気ヘッド装置及びその製造方法
US6400526B2 (en) 1999-05-26 2002-06-04 Read-Rite Corporation Advanced writer for chip-on-load beam
US6496330B1 (en) 1999-09-09 2002-12-17 Read-Rite Corporation Magnetic write head having a splitcoil structure
US6861937B1 (en) 2002-06-25 2005-03-01 Western Digital (Fremont), Inc. Double winding twin coil for thin-film head writer
DE10336745A1 (de) * 2003-08-11 2005-03-10 Bosch Gmbh Robert Trägervorrichtung für magnetisierbare Substrate
US7085099B2 (en) * 2004-01-20 2006-08-01 Headway Technologies, Inc. Thin film magnetic head having spiral coils and manufacturing method thereof
US7535674B2 (en) * 2004-09-09 2009-05-19 Hitachi Global Storage Technologies Netherlands B.V. Narrow pitch tape head array using an orthogonal backgap

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447616A (en) * 1977-09-22 1979-04-14 Hitachi Ltd Amorphous alloy magnetic head core
US4251910A (en) * 1979-03-23 1981-02-24 Spin Physics, Inc. Method of making multitrack magnetic heads
JPS56107325A (en) * 1980-01-31 1981-08-26 Fujitsu Ltd Manufacture for magnetic recording head
JPS60151808A (ja) * 1984-01-19 1985-08-09 Tdk Corp 狭トラツクヘツドの製造方法
US4701820A (en) * 1984-11-08 1987-10-20 Eastman Kodak Company Slant gap thin-film head having first and second wedge-shaped structures
JPS61115212A (ja) * 1984-11-09 1986-06-02 Fujitsu Ltd 薄膜磁気ヘツドの製造方法
US4868698A (en) * 1987-03-05 1989-09-19 Matsushita Electric Industrial Co., Ltd. Magnetic head
JPS63231713A (ja) * 1987-03-20 1988-09-27 Hitachi Ltd 磁気ヘツド
EP0288321A3 (de) * 1987-04-24 1990-11-14 Pioneer Electronic Corporation Magnetkopfvorrichtung
NL8701667A (nl) * 1987-07-15 1989-02-01 Philips Nv Dunne film transformator en magneetkop voorzien van een dergelijke transformator.
JPS6488911A (en) * 1987-09-30 1989-04-03 Hitachi Ltd Thin film magnetic head
US5224003A (en) * 1988-06-28 1993-06-29 Matsushita Electric Industrial Co., Ltd. Thin-film magnetic head with lead isolated from upper magnetic block
JPH0340207A (ja) * 1989-07-07 1991-02-21 Hitachi Ltd 磁気ヘッド
JP2752447B2 (ja) * 1989-07-21 1998-05-18 ティーディーケイ株式会社 薄膜磁気ヘッドの製造方法
JPH03248305A (ja) * 1990-02-26 1991-11-06 Sanyo Electric Co Ltd 磁気ヘッド
JPH0413212A (ja) * 1990-05-07 1992-01-17 Mitsubishi Electric Corp 薄膜磁気ヘッド
US5195233A (en) * 1990-07-05 1993-03-23 Nec Corporation Method of producing magnetic head structure
JP2766545B2 (ja) * 1990-07-09 1998-06-18 ティーディーケイ株式会社 薄膜磁気ヘッドの製造方法
JPH0490111A (ja) * 1990-08-02 1992-03-24 Mitsubishi Electric Corp 薄膜磁気ヘッド
JPH05174318A (ja) * 1991-12-24 1993-07-13 Nec Kansai Ltd 磁気ヘッドコアの製造方法
JPH06119612A (ja) * 1992-01-17 1994-04-28 Sharp Corp 磁気ヘッド及びその製造方法
JPH05290325A (ja) * 1992-04-06 1993-11-05 Matsushita Electric Ind Co Ltd 薄膜磁気ヘッドの製造方法
JPH0652516A (ja) * 1992-07-30 1994-02-25 Ricoh Co Ltd 薄膜磁気ヘッド及び薄膜磁気ヘッド形成方法
ATE193141T1 (de) * 1993-03-02 2000-06-15 Sony Corp Magnetkopf und verfahren für dessen herstellung

Also Published As

Publication number Publication date
WO1995030984A1 (fr) 1995-11-16
EP0709828A1 (de) 1996-05-01
DE69521965D1 (de) 2001-09-06
EP0709828A4 (de) 1996-11-13
KR960704303A (ko) 1996-08-31
EP0709828B1 (de) 2001-08-01
US5796564A (en) 1998-08-18

Similar Documents

Publication Publication Date Title
DE69831999D1 (de) Magnetkopf und Herstellungsverfahren
DE69821278D1 (de) Magnetkern und Herstellungsverfahren
DE69528938T2 (de) Induktivität und Herstellungsverfahren
DE69501101T2 (de) Magnetschwebegerät und verfahren
DE69530151T2 (de) Magnetlegierung und seiner Herstellungsverfahren
DE69520521T2 (de) Magnetischer dünner Film und Bildungsverfahren derselben, und Magnetkopf
DE69524786T2 (de) Endlosband und herstellungsverfahren
DE69529961T2 (de) Aufzeichnungs/-wiedergabemagnetkopf und Herstellungsverfahren
DE69700656D1 (de) Senkrechter magnetkopf mit integrierter spule und herstellungsverfahren
DE69521965T2 (de) Magnetkopf und herstellungsverfahren
DE69725073D1 (de) Aufzeichnungskopf und Aufzeichnungsverfahren
DE69518097D1 (de) Vertikaler Magnetkopf und Herstellungsverfahren
DE69516442T2 (de) Magnetoresistiver Kopf und Herstellungsverfahren
DE69421882D1 (de) Magnetkopf und Herstellungsverfahren
DE69317358T2 (de) Magnetkopf und dessen Herstellungsverfahren
SG97773A1 (en) Magnetic head device and method of manufacturing same
DE69311779D1 (de) Magnetkopf und dessen Herstellungsverfahren
DE69321044D1 (de) Magnetkopf und dessen Herstellungsverfahren
DE69529986D1 (de) Deaminoneuraminidase und herstellungsverfahren dafür
DE69534614D1 (de) Magnetkopf
KR980004929U (ko) 자기헤드 제조방법
KR900012208A (ko) 자기 헤드와 이의 제조방법
KR900012207A (ko) 자기헤드와 그 제조방법
DE69304607T2 (de) Laminierter Magnetkopf und Herstellungsverfahren dafür
KR960018708U (ko) 자기헤드

Legal Events

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