KR910700517A - 판독-기록 자기 헤드의 제조 방법 - Google Patents

판독-기록 자기 헤드의 제조 방법

Info

Publication number
KR910700517A
KR910700517A KR1019900701822A KR900701822A KR910700517A KR 910700517 A KR910700517 A KR 910700517A KR 1019900701822 A KR1019900701822 A KR 1019900701822A KR 900701822 A KR900701822 A KR 900701822A KR 910700517 A KR910700517 A KR 910700517A
Authority
KR
South Korea
Prior art keywords
magnetic
substrate
layer
magnetic head
groove
Prior art date
Application number
KR1019900701822A
Other languages
English (en)
Other versions
KR0146041B1 (ko
Inventor
루이 무니에 뽈
마르끄 꾸뗄리에 쟝
Original Assignee
아르레뜨 다낭제
똥송-세 에스 에프
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 아르레뜨 다낭제, 똥송-세 에스 에프 filed Critical 아르레뜨 다낭제
Publication of KR910700517A publication Critical patent/KR910700517A/ko
Application granted granted Critical
Publication of KR0146041B1 publication Critical patent/KR0146041B1/ko

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255Structure 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/31Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/31Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3176Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
    • G11B5/3179Structure 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
    • G11B5/3183Structure 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"
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49021Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032Fabricating head structure or component thereof
    • Y10T29/49036Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043Depositing magnetic layer or coating
    • Y10T29/49046Depositing magnetic layer or coating with etching or machining of magnetic material
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49021Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032Fabricating head structure or component thereof
    • Y10T29/49055Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Stereophonic Arrangements (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Abstract

내용 없음.

Description

판독-기록 자기 헤드의 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제11도는 본 발명에 따른 자기 헤드의 여러 제조 단계를 나타낸 도면,
제12도는 본 발명의 박막 자기 헤드의 일실시예를 나타낸 도면,
제13도는 본 발명의 박막 자기 헤드의 변형 실시예를 나타낸 도면이다.

Claims (10)

  1. 판독-기록 자기 헤드의 제조 방법에 있어서, (가) 기판(1) 내의 제1면 (10)으로부터, 2개의 측벽(12,13)과 하부면(14)을 갖는 홈(11)의 비자성체를 생성시키는 단계와, (나) 홈(11)의 2개의 측벽(12,13)과 하부면(14)을 피복하는 양호한 도자성 재질층(2)을 생성시키는 단계와, (다) 홈(11)내에 비자성체(3)를 부착시키는 단계와, (라) 홈(11)내에 위치한 비자성체(3)에 도달하고, 2개의 측벽(12,13)상에 위치한 자성체(2,2′) 사이에 공극(15)을 생성하도록, 제1면(10)과 대향 위치한 기판의 제2면(10)을 가공하는 단계와, (마) 자성체층(40)이 홈(11)의 2개 측벽(12,13)상에 위치한 자성층(2)과 자기적으로 결합하는 방식으로 하여, 자성체층(40)을 포함하는 부분(4)을 기판(1)의 제1면과 접촉하는 단계를 포함한 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  2. 제1항에 있어서, 기판(1)의 제2면(10′)을 가공한 후, 2개의 측벽(12,13)상에 놓인 자성체(2,2′)를 분할하는 공극(15)상에 위치한 공극(17)에 의해 분리된 박막 자성체로 제조된 2개의 자극(8,9)으로 구성된 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  3. 제1항에 있어서, 비자성체(3)는 전체 홈(11)을 채우지 않으며, 자성체층(40)을 포함하는 부분(4)의 접속후, 적어도 하나의 코일은 스페이스(16)를 통해 비자성체와 상기 부분(4)사이에 좌측 프리를 채우는 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  4. 젤1항에 있어서, 자성체층(40)을 포함하는 부분(4)의 접속전에 적어도 한 평면 코일은, 자성체와 절연되면서 상기 부분(4)으로 자성체층(2,2′)의 접속 구역을 둘러싸는 상기 부분(4)상에 생성되는 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  5. 제1항에 있어서, 홈(11)을 부착된 양호한 도자율을 갖는 재질층(2)은, 기둥 형태의 재질층과 상이한 결정 구조를 갖는 재질층을 교대로한 모양으로 형성하는 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  6. 제1항에 있어서, 기판(1)의 제1면(10)상에 부분(4)의 접속 단계는, 기판의 제2면(10′)의 가공 단계전에 행해지는 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  7. 제1항에 있어서, 양호한 도자율을 갖는 재질층(2)은 면(10)을 피복하고, 상기 층의 생성은 홈(11)내에 놓이지 않는 양호한 도자율을 갖는 재질을 재거시키는 공정으로 행해지는 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  8. 제7항에 있어서, 양호한 도자율을 갖는 재질층(2)의 생성후에 비자성체층은 홈(11)을 채우도록 제조되며, 그후 상기 2개의 층이 가공되는 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  9. 제1항에 있어서, 몇 개의 홈(1,1′,1″)이 생성되며, 동일 기판에서 여러 단계의 방법에 상기 여러 홈들에 대해서 적용되는 것을 특징으로 하는 판독-기록 자기 헤드의 제조 방법.
  10. 선행항중의 어느 한 항에 따른 방법으로 생성된 자기 헤드에 있어서, 상기 부분의 상부면으로 개구되어 있고 2개의 측벽(12,13) 및 하부면과 경계를 이루는 슬릿(11)을 포함하는 비자성체의 기판(1)과, 기판(1)의 상부면(16)과 동일한 높이이고, 2개의 측벽(12,13)을 높은 도자성의 재질층(2,2′)과, 기판(1)의 상부면(16)과 동일한 높이고, 상기 측면(12,13)을 피복하는 높은 도자율의 재질층(2) 사이에 위치한 비자성체(3)와, 기판(1)의 슬릿(11)을 관통하는 적어도 하나의 코일(6,7)을 구비하는 것을 특징으로 하는 자기 헤드.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900701822A 1988-12-23 1989-12-15 판독-기록 자기 헤드의 제조방법 KR0146041B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR8817083 1988-12-23
FR8817083A FR2641110B1 (ko) 1988-12-23 1988-12-23
PCT/FR1989/000657 WO1990007772A1 (fr) 1988-12-23 1989-12-15 Procede de realisation d'une tete magnetique d'enregistrement lecture et tete magnetique obtenue par ce procede

Publications (2)

Publication Number Publication Date
KR910700517A true KR910700517A (ko) 1991-03-15
KR0146041B1 KR0146041B1 (ko) 1998-10-15

Family

ID=9373346

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900701822A KR0146041B1 (ko) 1988-12-23 1989-12-15 판독-기록 자기 헤드의 제조방법

Country Status (9)

Country Link
US (1) US5123156A (ko)
EP (1) EP0406362B1 (ko)
JP (1) JP2902480B2 (ko)
KR (1) KR0146041B1 (ko)
AT (1) ATE123894T1 (ko)
DE (1) DE68923083T2 (ko)
ES (1) ES2073560T3 (ko)
FR (1) FR2641110B1 (ko)
WO (1) WO1990007772A1 (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279026A (en) * 1990-04-23 1994-01-18 Deutsche Thomson Brandt Gmbh Process for producing a thin-film magnetic tape head
US5255139A (en) * 1991-03-18 1993-10-19 Applied Magnetics Corporation Ferrite capped Winchester-style slider
US5210929A (en) * 1991-03-18 1993-05-18 Applied Magnetics Corporation Method of making a ferrite capped Winchester-style slider
TW243530B (en) * 1992-12-30 1995-03-21 Ibm Magnetoresistive sensor with improved microtrack profile for improved servo-positioning precision
US5546650A (en) * 1994-06-22 1996-08-20 Storage Technology Corporation Method of manufacturing a multiple track thin film recording head
US5909346A (en) * 1994-08-26 1999-06-01 Aiwa Research & Development, Inc. Thin magnetic film including multiple geometry gap structures on a common substrate
US5815909A (en) * 1994-08-26 1998-10-06 Aiwa Research And Development, Inc. Method of making a thin film magnetic head including protected via connections through an electrically insulative substrate
US6091581A (en) * 1994-08-26 2000-07-18 Aiwa Co., Ltd. Thin film magnetic head including a separately deposited diamond-like carbon gap structure and magnetic control wells
US5572392A (en) * 1994-11-17 1996-11-05 International Business Machines Corporation Arbitrary pattern write head assembly for writing timing-based servo patterns on magnetic storage media
FR2727556B1 (fr) * 1994-11-29 1997-01-03 Thomson Csf Procede de realisation d'une tete magnetique d'enregistrement/lecture et tete d'enregistrement/lecture
JPH08235528A (ja) * 1994-12-05 1996-09-13 Aiwa Co Ltd プレーナ薄膜構造体の製造方法
US5621594A (en) * 1995-02-17 1997-04-15 Aiwa Research And Development, Inc. Electroplated thin film conductor coil assembly
US5729413A (en) * 1995-12-20 1998-03-17 Ampex Corporation Two-gap magnetic read/write head
US6018444A (en) * 1997-10-28 2000-01-25 Hewlett-Packard Company Batch fabricated servo write head having low write-gap linewidth variation
US5920538A (en) * 1998-06-11 1999-07-06 Tandberg Data Asa Magneto-optical readout method and magneto-optical readout head and method for making same
US6162311A (en) * 1998-10-29 2000-12-19 Mmg Of North America, Inc. Composite magnetic ceramic toroids
JP2001283411A (ja) * 2000-03-30 2001-10-12 Toshiba Corp 磁気ヘッドおよびその製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647031A (en) * 1953-07-28 Key receiver and time checking
GB727234A (en) * 1951-02-23 1955-03-30 Nat Res Dev Improvements in or relating to magnetic recording and reproducing devices
US3000078A (en) * 1956-06-04 1961-09-19 Bendix Corp Method of making magnetic transducer heads
FR1293374A (fr) * 1961-06-22 1962-05-11 Sylvania Electric Prod Dispositif formant tête d'enregistrement magnétique et procédé de fabrication y afférant
US3626396A (en) * 1968-10-03 1971-12-07 Ibm Thin-film magnetic recording head
US3613228A (en) * 1969-07-02 1971-10-19 Ibm Manufacture of multielement magnetic head assemblies
US4412379A (en) * 1979-10-09 1983-11-01 Eastman Technology Inc. Method of manufacturing a multitrack magnetic head employing double helix structure
EP0032230A3 (en) * 1980-01-14 1982-01-13 Siemens Aktiengesellschaft Integrated magnetic transducer and method of manufacturing the same
JPS60107712A (ja) * 1983-11-17 1985-06-13 Tdk Corp 磁気ヘッドの製造方法
US5016342A (en) * 1989-06-30 1991-05-21 Ampex Corporation Method of manufacturing ultra small track width thin film transducers
JP2874488B2 (ja) * 1992-10-30 1999-03-24 富士通株式会社 処理装置

Also Published As

Publication number Publication date
DE68923083D1 (de) 1995-07-20
ES2073560T3 (es) 1995-08-16
FR2641110A1 (ko) 1990-06-29
FR2641110B1 (ko) 1995-07-21
EP0406362B1 (fr) 1995-06-14
DE68923083T2 (de) 1995-11-02
JP2902480B2 (ja) 1999-06-07
US5123156A (en) 1992-06-23
WO1990007772A1 (fr) 1990-07-12
EP0406362A1 (fr) 1991-01-09
ATE123894T1 (de) 1995-06-15
JPH03502847A (ja) 1991-06-27
KR0146041B1 (ko) 1998-10-15

Similar Documents

Publication Publication Date Title
KR910700517A (ko) 판독-기록 자기 헤드의 제조 방법
KR100202347B1 (ko) 다중 트랙 헤드 및 그 제조방법
KR100221113B1 (ko) 비자성 웨이퍼에 공동을 만들어서 평면 자기 헤드를 제조하는 방법 및 이 방법에 의한 자기 헤드
ES2089467T3 (es) Estructura de blindaje electromagnetico y metodo para su fabricacion.
DE3667349D1 (de) Verfahren zur herstellung mindestens eines magnetkopfes in duennfilmtechnik.
KR970018877A (ko) 반도체 레이저 부품의 제조 방법
KR910018977A (ko) 자기 수록/판독 헤드 및 그 제조방법
EP0032230A3 (en) Integrated magnetic transducer and method of manufacturing the same
SE8502709D0 (sv) Capacitive pressure detector structure and method for manufacturing same
KR960704303A (ko) 자기헤드 및 그 제조방법
JPS61151818A (ja) 薄膜磁気ヘツド
KR900000843A (ko) 자기 레코딩/리딩 헤드용 활성면의 편평방법
JPS55132519A (en) Manufacture for thin film magnetic head
JPH01173611A (ja) 積層インダクタの製造方法
KR890702181A (ko) 자기 헤드 및 그 제조 방법
JPH0689412A (ja) 薄膜磁気ヘッド及びその製造方法
JPS621257A (ja) 積層構造の半導体装置及びその製造方法
JPS5774812A (en) Manufacture of magnetic head for vertical magnetic recording
JPH0541531Y2 (ko)
JPS61287024A (ja) 薄膜磁気ヘツドの製造方法
JPS62205509A (ja) 薄膜磁気ヘツド
JPS6367279B2 (ko)
JPH03100910A (ja) 薄膜磁気ヘッド
JPH01127270U (ko)
JPS60201653A (ja) 半導体装置

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040427

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee