KR960016492B1 - Composite magnetic head - Google Patents

Composite magnetic head Download PDF

Info

Publication number
KR960016492B1
KR960016492B1 KR88001004A KR880001004A KR960016492B1 KR 960016492 B1 KR960016492 B1 KR 960016492B1 KR 88001004 A KR88001004 A KR 88001004A KR 880001004 A KR880001004 A KR 880001004A KR 960016492 B1 KR960016492 B1 KR 960016492B1
Authority
KR
South Korea
Prior art keywords
magnetic head
composite magnetic
composite
head
magnetic
Prior art date
Application number
KR88001004A
Other languages
English (en)
Inventor
Tatsuo Kumura
Heikichi Sato
Yoshiyuki Kunito
Yoshito Ikeda
Etsuo Izu
Masatoshi Hayakawa
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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of KR960016492B1 publication Critical patent/KR960016492B1/ko

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
KR88001004A 1987-02-04 1988-02-04 Composite magnetic head KR960016492B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62023992A JP2513205B2 (ja) 1987-02-04 1987-02-04 複合磁気ヘツド

Publications (1)

Publication Number Publication Date
KR960016492B1 true KR960016492B1 (en) 1996-12-12

Family

ID=12126074

Family Applications (1)

Application Number Title Priority Date Filing Date
KR88001004A KR960016492B1 (en) 1987-02-04 1988-02-04 Composite magnetic head

Country Status (6)

Country Link
US (1) US4953050A (ko)
JP (1) JP2513205B2 (ko)
KR (1) KR960016492B1 (ko)
DE (1) DE3803303C2 (ko)
FR (1) FR2610443B1 (ko)
GB (1) GB2202078B (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3934284C2 (de) * 1988-10-13 1994-06-16 Canon Denshi Kk Magnetkopf
JP2635402B2 (ja) * 1988-11-02 1997-07-30 アルプス電気株式会社 軟磁性合金膜
NL8900107A (nl) * 1989-01-18 1990-08-16 Philips Nv Magneetkop alsmede werkwijze voor het vervaardigen van de magneetkop.
US5137750A (en) * 1990-11-06 1992-08-11 Seagate Technology, Inc. Method of making a thin film head with contoured pole face edges for undershoot reduction
WO1992016934A1 (en) * 1991-03-25 1992-10-01 Eastman Kodak Company A magnetic head for high-frequency, high-density recording
KR0130192B1 (ko) * 1992-01-16 1998-04-17 가다오까 마사다까 자기헤드 및 그 제조방법
JPH06203323A (ja) * 1992-06-16 1994-07-22 Samsung Electro Mech Co Ltd 磁気ヘッド及びその製造方法
CN1058799C (zh) * 1993-01-08 2000-11-22 国际商业机器公司 薄膜磁传感器和悬架组件及其制造方法以及磁盘驱动组件
US5411813A (en) * 1993-04-08 1995-05-02 Eastman Kodak Company Ferhgasi soft magnetic materials for inductive magnetic heads
US5801909A (en) * 1994-08-26 1998-09-01 Aiwa Research And Development, Inc. Thin film magnetic head including durable wear layer and non-magnetic gap structures
JPH08171712A (ja) * 1994-08-26 1996-07-02 Aiwa Co Ltd 側面露出型薄膜磁気ヘッド並びにその製造方法
US6069015A (en) * 1996-05-20 2000-05-30 Aiwa Research And Development, Inc. Method of fabricating thin film magnetic head including durable wear layer and non-magnetic gap structure
US20060042938A1 (en) * 2004-09-01 2006-03-02 Heraeus, Inc. Sputter target material for improved magnetic layer
US20060286414A1 (en) * 2005-06-15 2006-12-21 Heraeus, Inc. Enhanced oxide-containing sputter target alloy compositions
US20070253103A1 (en) * 2006-04-27 2007-11-01 Heraeus, Inc. Soft magnetic underlayer in magnetic media and soft magnetic alloy based sputter target
US8547665B2 (en) * 2008-01-03 2013-10-01 International Business Machines Corporation Magnetic head having a material formed in one or more recesses extending into the media support surface of at least one of the substrate and the closure

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57145963A (en) * 1981-03-04 1982-09-09 Hitachi Metals Ltd Material for magnetic head and its manufacture
JPS58105422A (ja) * 1981-12-17 1983-06-23 Sony Corp 磁気ヘツド
JPS59207415A (ja) * 1983-05-11 1984-11-24 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JPS60229210A (ja) * 1983-12-30 1985-11-14 Sony Corp 磁気ヘツド
CA1236212A (en) * 1983-12-30 1988-05-03 Heikichi Sato Magnetic transducer head with slanted thin film
NL8400140A (nl) * 1984-01-17 1985-08-16 Philips Nv Magneetkop.
JPS61174349A (ja) * 1985-01-30 1986-08-06 Res Inst Electric Magnetic Alloys 耐摩耗性高透磁率合金およびその製造法ならびに磁気記録再生ヘツド
JPH0746653B2 (ja) * 1985-10-01 1995-05-17 ソニー株式会社 結晶質軟磁性薄膜
US4748000A (en) * 1985-04-11 1988-05-31 Sony Corporation Soft magnetic thin film
JPH0789524B2 (ja) * 1985-04-11 1995-09-27 ソニー株式会社 磁気ヘッド用軟磁性薄膜
JPH0789527B2 (ja) * 1985-10-31 1995-09-27 ソニー株式会社 結晶質軟磁性薄膜
JPH0744107B2 (ja) * 1985-10-16 1995-05-15 ソニー株式会社 軟磁性薄膜
JPH0828297B2 (ja) * 1985-10-31 1996-03-21 ソニー株式会社 軟磁性薄膜
JPH0785291B2 (ja) * 1986-07-07 1995-09-13 ソニー株式会社 磁気ヘツド

Also Published As

Publication number Publication date
US4953050A (en) 1990-08-28
FR2610443B1 (fr) 1995-09-01
GB8802394D0 (en) 1988-03-02
FR2610443A1 (fr) 1988-08-05
JPS63191310A (ja) 1988-08-08
GB2202078B (en) 1991-05-08
JP2513205B2 (ja) 1996-07-03
DE3803303C2 (de) 2000-08-17
GB2202078A (en) 1988-09-14
DE3803303A1 (de) 1988-08-18

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20071127

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee