DE69529021D1 - Magnetisches Material für Magnetkopf und damit hergestellter Magnetkopf - Google Patents

Magnetisches Material für Magnetkopf und damit hergestellter Magnetkopf

Info

Publication number
DE69529021D1
DE69529021D1 DE69529021T DE69529021T DE69529021D1 DE 69529021 D1 DE69529021 D1 DE 69529021D1 DE 69529021 T DE69529021 T DE 69529021T DE 69529021 T DE69529021 T DE 69529021T DE 69529021 D1 DE69529021 D1 DE 69529021D1
Authority
DE
Germany
Prior art keywords
magnetic
magnetic head
head
magnetic material
head made
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
DE69529021T
Other languages
English (en)
Other versions
DE69529021T2 (de
Inventor
Fusashige Tokutake
Fumio Kurosawa
Takashi Tamura
Kimio Takahashi
Kazuhiro Yagihashi
Yukari Nihei
Akira Urai
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.)
Sony Corp
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 DE69529021D1 publication Critical patent/DE69529021D1/de
Publication of DE69529021T2 publication Critical patent/DE69529021T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • 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
    • G11B5/255—Structure 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/105—Mounting of head within housing or assembling of head and housing
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1171—Magnetic recording head with defined laminate structural detail
DE69529021T 1994-06-28 1995-06-27 Magnetisches Material für Magnetkopf und damit hergestellter Magnetkopf Expired - Fee Related DE69529021T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14603694 1994-06-28
JP19955794 1994-08-24
JP06340404A JP3089530B2 (ja) 1994-06-28 1994-12-29 磁気ヘッド用非磁性材料及びそれを用いた磁気ヘッド

Publications (2)

Publication Number Publication Date
DE69529021D1 true DE69529021D1 (de) 2003-01-16
DE69529021T2 DE69529021T2 (de) 2003-08-21

Family

ID=27319084

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529021T Expired - Fee Related DE69529021T2 (de) 1994-06-28 1995-06-27 Magnetisches Material für Magnetkopf und damit hergestellter Magnetkopf

Country Status (5)

Country Link
US (1) US5610786A (de)
EP (1) EP0690437B1 (de)
JP (1) JP3089530B2 (de)
KR (1) KR100445102B1 (de)
DE (1) DE69529021T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1049820A (ja) * 1996-07-31 1998-02-20 Mitsumi Electric Co Ltd 磁気ヘッド
US6288870B1 (en) 1998-01-13 2001-09-11 Quantum Corporation Self-aligned metal film core multi-channel recording head for tape drives
CN100404460C (zh) * 2006-02-20 2008-07-23 清华大学 一种富TiO2的巨介电非线性压敏陶瓷材料合成方法
KR102592921B1 (ko) * 2015-12-31 2023-10-23 삼성전자주식회사 패턴 결함 검사 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60264363A (ja) * 1984-06-12 1985-12-27 ティーディーケイ株式会社 磁気ヘツド用非磁性セラミツク材料
JPS6222411A (ja) 1985-07-22 1987-01-30 Hitachi Metals Ltd 非磁性基板材料及び磁気ヘツド
JPS62143857A (ja) 1985-12-17 1987-06-27 株式会社トーキン 磁気ヘツド用非磁性材料
US5168407A (en) * 1990-03-26 1992-12-01 Nippon Mining Company, Ltd. Flying magnetic head
JP2744908B2 (ja) * 1990-11-16 1998-04-28 日立金属株式会社 非磁性酸化物基板材料及び磁気ヘッド
JPH0814884B2 (ja) * 1991-04-25 1996-02-14 日本電気株式会社 磁気ヘッド
JPH05117023A (ja) * 1991-10-25 1993-05-14 Nec Corp 磁気ヘツド用非磁性基板および磁気ヘツド
JPH05274639A (ja) * 1992-01-28 1993-10-22 Hitachi Metals Ltd 非磁性基板材および浮上式磁気ヘッド
JPH0628607A (ja) 1992-07-13 1994-02-04 Tokin Corp 磁気ヘッド用非磁性材料

Also Published As

Publication number Publication date
JPH08115506A (ja) 1996-05-07
KR960002145A (ko) 1996-01-26
DE69529021T2 (de) 2003-08-21
US5610786A (en) 1997-03-11
EP0690437B1 (de) 2002-12-04
KR100445102B1 (ko) 2004-11-06
EP0690437A3 (de) 1996-07-24
EP0690437A2 (de) 1996-01-03
JP3089530B2 (ja) 2000-09-18

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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