DE3879305T2 - Magnetkopf. - Google Patents

Magnetkopf.

Info

Publication number
DE3879305T2
DE3879305T2 DE8888111983T DE3879305T DE3879305T2 DE 3879305 T2 DE3879305 T2 DE 3879305T2 DE 8888111983 T DE8888111983 T DE 8888111983T DE 3879305 T DE3879305 T DE 3879305T DE 3879305 T2 DE3879305 T2 DE 3879305T2
Authority
DE
Germany
Prior art keywords
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
DE8888111983T
Other languages
English (en)
Other versions
DE3879305D1 (de
Inventor
Yoshihito Yoshizawa
Kiyotaka Yamauchi
Shigekazu Suwabe
Toshikazu Nishiyama
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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
Priority claimed from JP62183877A external-priority patent/JPH07116563B2/ja
Priority claimed from JP62183876A external-priority patent/JP2556863B2/ja
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of DE3879305D1 publication Critical patent/DE3879305D1/de
Application granted granted Critical
Publication of DE3879305T2 publication Critical patent/DE3879305T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/02—Amorphous alloys with iron as the major constituent
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
DE8888111983T 1987-07-23 1988-07-25 Magnetkopf. Expired - Fee Related DE3879305T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62183877A JPH07116563B2 (ja) 1987-07-23 1987-07-23 Ｆｅ基軟磁性合金
JP62183876A JP2556863B2 (ja) 1987-07-23 1987-07-23 Ｆｅ基磁性合金膜

Publications (2)

Publication Number Publication Date
DE3879305D1 DE3879305D1 (de) 1993-04-22
DE3879305T2 true DE3879305T2 (de) 1993-06-24

Family

ID=26502142

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888111983T Expired - Fee Related DE3879305T2 (de) 1987-07-23 1988-07-25 Magnetkopf.

Country Status (4)

Country Link
US (1) US4918555A (de)
EP (1) EP0300511B1 (de)
KR (1) KR920005044B1 (de)
DE (1) DE3879305T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225006A (en) * 1988-05-17 1993-07-06 Kabushiki Kaisha Toshiba Fe-based soft magnetic alloy
US5051856A (en) * 1988-10-14 1991-09-24 Hitachi, Ltd. Thin film magnetic head with mixed crystal structures
US5084795A (en) * 1989-02-08 1992-01-28 Matsushita Electric Industrial Co., Ltd. Magnetic head and method of manufacturing the same
US5135818A (en) * 1989-03-28 1992-08-04 Hitachi Maxell, Ltd. Thin soft magnetic film and method of manufacturing the same
JP2635422B2 (ja) * 1989-10-17 1997-07-30 アルプス電気株式会社 磁気ヘッド
CA2030446C (en) * 1989-11-22 2001-01-23 Yoshihito Yoshizawa Magnetic alloy with ultrafine crystal grains and method of producing same
EP0435680B1 (de) * 1989-12-28 1995-04-05 Kabushiki Kaisha Toshiba Auf Eisen basierende weichmagnetische Legierung, ihr Herstellungsverfahren und Magnetkern daraus
CA2040741C (en) * 1990-04-24 2000-02-08 Kiyonori Suzuki Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials
US5173824A (en) * 1990-12-07 1992-12-22 Eastman Kodak Company Magnetic head assembly
EP0502535B1 (de) * 1991-03-06 1996-10-02 Matsushita Electric Industrial Co., Ltd. Magnetknopf
JP3357386B2 (ja) * 1991-03-20 2002-12-16 ティーディーケイ株式会社 軟磁性合金およびその製造方法ならびに磁心
EP0531514B1 (de) * 1991-03-25 1996-08-28 Eastman Kodak Company Magnetkopf zur Aufzeichnung mit hoher Frequenz und hoher Dichte
KR0130192B1 (ko) * 1992-01-16 1998-04-17 가다오까 마사다까 자기헤드 및 그 제조방법
US5636092A (en) * 1992-07-31 1997-06-03 Matsushita Electric Industrial Co., Ltd. Magnetic head having chromium nitride protective film for use in magnetic recording and/or reproducing apparatus and method of manufacturing the same
EP0585782A3 (en) * 1992-08-31 1994-05-18 Aichi Steel Works Ltd Composite magnetic component and method of manufacturing the same
JP3279399B2 (ja) * 1992-09-14 2002-04-30 アルプス電気株式会社 Ｆｅ基軟磁性合金の製造方法
US5485332A (en) * 1992-11-30 1996-01-16 Minebea Co., Ltd. Floating magnetic head having a chamfered magnetic head core
EP0602486B1 (de) * 1992-12-14 1999-02-10 Minebea Co.,Ltd. Schwebender Magnetkopf
US5411813A (en) * 1993-04-08 1995-05-02 Eastman Kodak Company Ferhgasi soft magnetic materials for inductive magnetic heads
JP3231149B2 (ja) * 1993-07-30 2001-11-19 アルプス電気株式会社 ノイズフィルタ
JP2961034B2 (ja) * 1993-09-16 1999-10-12 アルプス電気株式会社 磁気ヘッド
US5935347A (en) * 1993-12-28 1999-08-10 Alps Electric Co., Ltd. FE-base soft magnetic alloy and laminated magnetic core by using the same
JPH09256122A (ja) * 1996-03-19 1997-09-30 Unitika Ltd Ｆｅ系非晶質合金
JP4212428B2 (ja) 2003-08-13 2009-01-21 Ｔｄｋ株式会社 薄膜磁気ヘッド
US20070253103A1 (en) * 2006-04-27 2007-11-01 Heraeus, Inc. Soft magnetic underlayer in magnetic media and soft magnetic alloy based sputter target
CN101549360B (zh) * 2009-04-03 2010-08-25 北京工业大学 一种高硼铸造合金导卫及其热处理方法
CN109365241B (zh) * 2018-08-31 2022-09-06 北京曙光航空电气有限责任公司 一种氧化镁薄膜转换涂液制备和使用方法
CN112921244B (zh) * 2021-01-22 2021-11-23 中国科学院合肥物质科学研究院 一种兼具高阻尼和零磁致伸缩特性的Fe-Ga基合金及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812120A (ja) * 1981-07-10 1983-01-24 Sony Corp 磁気ヘツドの製造方法
JPS5828341A (ja) * 1981-07-20 1983-02-19 Fuji Xerox Co Ltd 誘電体フイルムの接合方法
US4608297A (en) * 1982-04-21 1986-08-26 Showa Denka Kabushiki Kaisha Multilayer composite soft magnetic material comprising amorphous and insulating layers and a method for manufacturing the core of a magnetic head and a reactor
US4483724A (en) * 1982-09-27 1984-11-20 Allied Corporation Iron-boron solid solution alloys having high saturation magnetization and low magnetostriction
JPS6074104A (ja) * 1983-09-29 1985-04-26 Alps Electric Co Ltd デジタル用磁気ヘツド
DE3465661D1 (en) * 1983-11-02 1987-10-01 Hitachi Ltd Ferromagnetic material, ferromagnetic laminate and magnetic head
KR940004986B1 (ko) * 1984-08-27 1994-06-09 가부시기가이샤 히다찌세이사꾸쇼 자성막의 제조방법 및 그것을 사용한 자기헤드
DE3681056D1 (de) * 1985-04-11 1991-10-02 Sony Corp Weichmagnetischer duenner film.
JP2516908B2 (ja) * 1985-10-28 1996-07-24 松下電器産業株式会社 磁性ヘッドとその製造方法

Also Published As

Publication number Publication date
EP0300511A2 (de) 1989-01-25
DE3879305D1 (de) 1993-04-22
EP0300511A3 (en) 1990-03-07
US4918555A (en) 1990-04-17
KR920005044B1 (en) 1992-06-25
KR890002821A (ko) 1989-04-11
EP0300511B1 (de) 1993-03-17

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Legal Events

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