DE3426117C2 - - Google Patents

Info

Publication number
DE3426117C2
DE3426117C2 DE3426117A DE3426117A DE3426117C2 DE 3426117 C2 DE3426117 C2 DE 3426117C2 DE 3426117 A DE3426117 A DE 3426117A DE 3426117 A DE3426117 A DE 3426117A DE 3426117 C2 DE3426117 C2 DE 3426117C2
Authority
DE
Germany
Prior art keywords
magnetic
atomic
content
range
hafnium
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
Application number
DE3426117A
Other languages
German (de)
English (en)
Other versions
DE3426117A1 (de
Inventor
Yutaka Sendai Miyagi Jp Shimada
Takashi Hatanai
Koichi Mukasa
Keishi Kitauwonuma Niigata Jp Nakashima
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric 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
Priority claimed from JP58128715A external-priority patent/JPS6022714A/ja
Priority claimed from JP12872183A external-priority patent/JPS6022722A/ja
Priority claimed from JP12872483A external-priority patent/JPS6022727A/ja
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of DE3426117A1 publication Critical patent/DE3426117A1/de
Application granted granted Critical
Publication of DE3426117C2 publication Critical patent/DE3426117C2/de
Granted legal-status Critical Current

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
    • 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
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • 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
    • G11B5/1278Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • 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
    • G11B5/3109Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
DE19843426117 1983-07-16 1984-07-16 Magnetkopf Granted DE3426117A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP58128715A JPS6022714A (ja) 1983-07-16 1983-07-16 垂直磁気記録用磁気ヘツド
JP12872183A JPS6022722A (ja) 1983-07-16 1983-07-16 薄膜磁気ヘツド
JP12872483A JPS6022727A (ja) 1983-07-16 1983-07-16 薄膜磁気再生ヘツド

Publications (2)

Publication Number Publication Date
DE3426117A1 DE3426117A1 (de) 1985-01-31
DE3426117C2 true DE3426117C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-05

Family

ID=27315802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843426117 Granted DE3426117A1 (de) 1983-07-16 1984-07-16 Magnetkopf

Country Status (3)

Country Link
US (1) US4641213A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR890003043B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3426117A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940004986B1 (ko) * 1984-08-27 1994-06-09 가부시기가이샤 히다찌세이사꾸쇼 자성막의 제조방법 및 그것을 사용한 자기헤드
US5045637A (en) * 1988-01-14 1991-09-03 Nippon Steel Corp. Magnetic shielding material
US6724027B2 (en) * 2002-04-18 2004-04-20 Hewlett-Packard Development Company, L.P. Magnetic shielding for MRAM devices
CN116180025A (zh) * 2022-12-30 2023-05-30 东莞市昱懋纳米科技有限公司 一种TaCo二元非晶合金薄膜及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656229A (en) * 1968-11-08 1972-04-18 Hitachi Ltd Process for producing magnetic head
US4236946A (en) * 1978-03-13 1980-12-02 International Business Machines Corporation Amorphous magnetic thin films with highly stable easy axis
DE2832731A1 (de) * 1978-07-26 1980-02-07 Vacuumschmelze Gmbh Magnetkern aus einer weichmagnetischen amorphen legierung
US4317148A (en) * 1980-01-24 1982-02-23 Sperry Corporation Transducer for perpendicular magnetic recording
JPS57155339A (en) * 1981-03-20 1982-09-25 Matsushita Electric Ind Co Ltd Magnetic head and production thereof

Also Published As

Publication number Publication date
KR850001595A (ko) 1985-03-30
US4641213A (en) 1987-02-03
DE3426117A1 (de) 1985-01-31
KR890003043B1 (ko) 1989-08-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee