JPH036564B2 - - Google Patents

Info

Publication number
JPH036564B2
JPH036564B2 JP57139415A JP13941582A JPH036564B2 JP H036564 B2 JPH036564 B2 JP H036564B2 JP 57139415 A JP57139415 A JP 57139415A JP 13941582 A JP13941582 A JP 13941582A JP H036564 B2 JPH036564 B2 JP H036564B2
Authority
JP
Japan
Prior art keywords
magnetic
layer
substrate
magnetic head
glass
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 - Lifetime
Application number
JP57139415A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5930227A (ja
Inventor
Hiroshi Sakakima
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57139415A priority Critical patent/JPS5930227A/ja
Priority to US06/606,771 priority patent/US4670972A/en
Priority to PCT/JP1983/000260 priority patent/WO1988004817A1/ja
Publication of JPS5930227A publication Critical patent/JPS5930227A/ja
Publication of JPH036564B2 publication Critical patent/JPH036564B2/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
    • 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
    • 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
    • G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
    • G11B5/3179—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes
    • G11B5/3183—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes intersecting the gap plane, e.g. "horizontal head structure"
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49067—Specified diverse magnetic materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49789—Obtaining plural product pieces from unitary workpiece
    • Y10T29/49796—Coacting pieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP57139415A 1982-08-10 1982-08-10 磁気ヘツドの製造方法 Granted JPS5930227A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57139415A JPS5930227A (ja) 1982-08-10 1982-08-10 磁気ヘツドの製造方法
US06/606,771 US4670972A (en) 1982-08-10 1983-08-10 Method for making magnetic heads
PCT/JP1983/000260 WO1988004817A1 (en) 1982-08-10 1983-08-10 Method of fabricating magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57139415A JPS5930227A (ja) 1982-08-10 1982-08-10 磁気ヘツドの製造方法

Publications (2)

Publication Number Publication Date
JPS5930227A JPS5930227A (ja) 1984-02-17
JPH036564B2 true JPH036564B2 (en]) 1991-01-30

Family

ID=15244693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57139415A Granted JPS5930227A (ja) 1982-08-10 1982-08-10 磁気ヘツドの製造方法

Country Status (3)

Country Link
US (1) US4670972A (en])
JP (1) JPS5930227A (en])
WO (1) WO1988004817A1 (en])

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59203210A (ja) * 1983-05-02 1984-11-17 Canon Inc 磁気コアおよびその製造方法
JPS62188206A (ja) * 1985-10-07 1987-08-17 Nippon Mining Co Ltd Ｆｅ−Ｓｉ−Ａｌ合金磁性膜及びその製造方法並びに薄膜積層磁気ヘツド
FR2588989A1 (fr) * 1985-10-23 1987-04-24 Bull Sa Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes
FR2605783B1 (fr) * 1986-10-28 1992-05-15 Thomson Csf T ete magnetique d'enregistrement/lecture en couches minces et son procede de realisation
US5159511A (en) * 1987-04-01 1992-10-27 Digital Equipment Corporation Biasing conductor for MR head
FR2622335B1 (fr) * 1987-10-27 1990-01-26 Thomson Csf Tete magnetique d'enregistrement lecture et procede de realisation
FR2622336B1 (fr) * 1987-10-27 1995-07-21 Europ Composants Electron Tete magnetique de lecture et d'enregistrement
FR2622339A1 (fr) * 1987-10-27 1989-04-28 Europ Composants Electron Procede de detection de fin de polissage d'une tete magnetique couches minces
US4912584A (en) * 1988-03-09 1990-03-27 Digital Equipment Corporation Method for fabricating magnetic recording poles
US4837923A (en) * 1988-04-29 1989-06-13 Magnetic Peripherals Inc. Surface finishing for magnetic transducers
US4942658A (en) * 1988-11-30 1990-07-24 Magnetic Peripherals Inc. Method for manufacturing a magnetic head core with a flux gap having a precisely controlled length
FR2646001B1 (fr) * 1989-04-14 1995-09-01 Europ Composants Electron Procede de realisation d'un dispositif utilisant une structure de films a couches minces
FR2648940B1 (fr) * 1989-06-27 1991-09-06 Thomson Csf Procede de realisation de tete magnetique multipiste et tete magnetique multipiste
US5016342A (en) * 1989-06-30 1991-05-21 Ampex Corporation Method of manufacturing ultra small track width thin film transducers
FR2650127B1 (fr) * 1989-07-18 1991-09-20 Thomson Csf Generateur d'impulsion laser de puissance
US5379172A (en) * 1990-09-19 1995-01-03 Seagate Technology, Inc. Laminated leg for thin film magnetic transducer
US5470447A (en) * 1992-08-19 1995-11-28 Stormedia, Inc. Method for applying a protective coating on a magnetic recording head
KR950011125B1 (ko) * 1992-10-30 1995-09-28 엘지전자주식회사 자기헤드의 제조방법
JPH0714112A (ja) * 1993-06-22 1995-01-17 Citizen Watch Co Ltd 磁気ヘッドの製造方法
US5393376A (en) * 1993-12-30 1995-02-28 International Business Machines Corporation Method of making pole tip structure for thin film magnetic heads
FR2716996B1 (fr) * 1994-03-07 1996-04-05 Commissariat Energie Atomique Tête magnétique verticale et son procédé de réalisation.
CN1067788C (zh) * 1994-03-07 2001-06-27 国际商业机器公司 制造磁传感器的方法和制造磁盘存储系统的方法
CN1125439C (zh) * 1994-07-13 2003-10-22 三星电子株式会社 制造磁头的方法
JPH0916925A (ja) * 1995-06-28 1997-01-17 Yamaha Corp 誘導型・ｍｒ型複合磁気ヘッドおよびその製造方法
US6073338A (en) * 1997-08-19 2000-06-13 Read-Rite Corporation Thin film read head with coplanar pole tips
FR2774797B1 (fr) * 1998-02-11 2000-03-10 Commissariat Energie Atomique Procede de realisation d'un ensemble a plusieurs tetes magnetiques et ensemble a tetes multiples obtenu par ce procede
KR100264802B1 (ko) * 1998-02-24 2000-09-01 윤종용 플래너구조 박막자기헤드의 갭 형성방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629519A (en) * 1967-05-23 1971-12-21 Rca Corp Magnetic heads with poles joined by molecular transport bonding
JPS4313255Y1 (en]) * 1967-12-07 1968-06-06
JPS53133418A (en) * 1977-04-27 1978-11-21 Hitachi Ltd Production of magnetic head cores
JPS5573913A (en) * 1978-11-30 1980-06-04 Victor Co Of Japan Ltd Magnetic head

Also Published As

Publication number Publication date
US4670972A (en) 1987-06-09
JPS5930227A (ja) 1984-02-17
WO1988004817A1 (en) 1988-06-30

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