DE69200169T2 - Magnetresistive Materialien. - Google Patents

Magnetresistive Materialien.

Info

Publication number
DE69200169T2
DE69200169T2 DE69200169T DE69200169T DE69200169T2 DE 69200169 T2 DE69200169 T2 DE 69200169T2 DE 69200169 T DE69200169 T DE 69200169T DE 69200169 T DE69200169 T DE 69200169T DE 69200169 T2 DE69200169 T2 DE 69200169T2
Authority
DE
Germany
Prior art keywords
magnetoresistive materials
magnetoresistive
materials
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
DE69200169T
Other languages
English (en)
Other versions
DE69200169D1 (de
DE69200169T3 (de
Inventor
Mitsuo Satomi
Hiroshi Sakakima
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27461349&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69200169(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP3043305A external-priority patent/JP2961914B2/ja
Priority claimed from JP3100673A external-priority patent/JP2964690B2/ja
Priority claimed from JP3148475A external-priority patent/JP2830513B2/ja
Priority claimed from JP3148474A external-priority patent/JP3021785B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69200169D1 publication Critical patent/DE69200169D1/de
Application granted granted Critical
Publication of DE69200169T2 publication Critical patent/DE69200169T2/de
Publication of DE69200169T3 publication Critical patent/DE69200169T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
    • H01F10/3281—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn only by use of asymmetry of the magnetic film pair itself, i.e. so-called pseudospin valve [PSV] structure, e.g. NiFe/Cu/Co
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/80—Constructional details
    • H10N50/85—Magnetic active materials
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12632—Four or more distinct components with alternate recurrence of each type component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12903—Cu-base component
    • Y10T428/1291—Next to Co-, Cu-, or Ni-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12903—Cu-base component
    • Y10T428/12917—Next to Fe-base component
DE69200169T 1991-03-08 1992-03-06 Magnetresistive Materialien. Expired - Fee Related DE69200169T3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3043305A JP2961914B2 (ja) 1991-03-08 1991-03-08 磁気抵抗効果材料およびその製造方法
JP3100673A JP2964690B2 (ja) 1991-05-02 1991-05-02 磁気抵抗効果材料およびその製造方法
JP3148475A JP2830513B2 (ja) 1991-06-20 1991-06-20 磁気抵抗効果材料およびその製造方法
JP3148474A JP3021785B2 (ja) 1991-06-20 1991-06-20 磁気抵抗効果材料およびその製造方法

Publications (3)

Publication Number Publication Date
DE69200169D1 DE69200169D1 (de) 1994-07-14
DE69200169T2 true DE69200169T2 (de) 1995-01-26
DE69200169T3 DE69200169T3 (de) 2000-05-25

Family

ID=27461349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69200169T Expired - Fee Related DE69200169T3 (de) 1991-03-08 1992-03-06 Magnetresistive Materialien.

Country Status (3)

Country Link
US (1) US5277991A (de)
EP (1) EP0503499B2 (de)
DE (1) DE69200169T3 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69219936T3 (de) * 1991-03-29 2008-03-06 Kabushiki Kaisha Toshiba Magnetowiderstandseffekt-Element
JP3088519B2 (ja) * 1991-10-23 2000-09-18 財団法人生産開発科学研究所 磁気抵抗効果素子
JP3207477B2 (ja) * 1991-12-24 2001-09-10 財団法人生産開発科学研究所 磁気抵抗効果素子
JP2812042B2 (ja) * 1992-03-13 1998-10-15 松下電器産業株式会社 磁気抵抗センサー
DE69316438T2 (de) * 1992-05-18 1998-08-27 Nec Corp Magnetoresistives Element
JPH06220609A (ja) * 1992-07-31 1994-08-09 Sony Corp 磁気抵抗効果膜及びその製造方法並びにそれを用いた磁気抵抗効果素子、磁気抵抗効果型磁気ヘッド
FR2698965B1 (fr) * 1992-12-03 1995-01-06 Commissariat Energie Atomique Structure et capteur magnétiques multicouches à forte magnétorésistance et procédé de fabrication de la structure.
DE4408274C2 (de) * 1993-03-12 2001-04-26 Toshiba Kawasaki Kk Magnetoresistenzeffekt-Element
US5585198A (en) * 1993-10-20 1996-12-17 Sanyo Electric Co., Ltd. Magnetorsistance effect element
US5736921A (en) * 1994-03-23 1998-04-07 Sanyo Electric Co., Ltd. Magnetoresistive element
US5585199A (en) * 1993-09-09 1996-12-17 Kabushiki Kaisha Toshiba Magnetoresistance effect head
JPH0849062A (ja) * 1994-08-04 1996-02-20 Sanyo Electric Co Ltd 磁気抵抗効果膜
JPH08130337A (ja) * 1994-09-09 1996-05-21 Sanyo Electric Co Ltd 磁気抵抗素子及びその製造方法
US5747997A (en) * 1996-06-05 1998-05-05 Regents Of The University Of Minnesota Spin-valve magnetoresistance sensor having minimal hysteresis problems
US6166539A (en) * 1996-10-30 2000-12-26 Regents Of The University Of Minnesota Magnetoresistance sensor having minimal hysteresis problems
US5869963A (en) * 1996-09-12 1999-02-09 Alps Electric Co., Ltd. Magnetoresistive sensor and head
US5976681A (en) * 1997-06-30 1999-11-02 Ford Global Technologies, Inc. Giant magnetoresistors with high sensitivity and reduced hysteresis
EP1125288A1 (de) * 1998-09-24 2001-08-22 Materials Innovation Inc. Magnetoresistive vorrichtung, riesen-magnetoresistive vorrichtung und herstellungsverfahren
DE10105894A1 (de) * 2001-02-09 2002-09-05 Bosch Gmbh Robert Magnetisch sensitive Schichtanordnung
JP3695459B2 (ja) * 2003-10-30 2005-09-14 Ｔｄｋ株式会社 薄膜磁気ヘッドの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476454A (en) * 1983-06-30 1984-10-09 International Business Machines Corporation New magnetoresistive materials
JPH01238106A (ja) * 1988-03-18 1989-09-22 Nec Corp 耐食性強磁性薄膜
US4879619A (en) * 1988-03-28 1989-11-07 International Business Machines Corporation Magnetoresistive read transducer
JPH0223681A (ja) * 1988-07-12 1990-01-25 Nec Corp 磁気抵抗効果素子
FR2648942B1 (fr) * 1989-06-27 1995-08-11 Thomson Csf Capteur a effet magnetoresistif

Also Published As

Publication number Publication date
DE69200169D1 (de) 1994-07-14
US5277991A (en) 1994-01-11
EP0503499A1 (de) 1992-09-16
DE69200169T3 (de) 2000-05-25
EP0503499B1 (de) 1994-06-08
EP0503499B2 (de) 1999-10-13

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8320 Willingness to grant licences declared (paragraph 23)
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee