JPH08503778A - 磁性反転導体と一又は複数の磁気抵抗レジスタとからなる磁界センサ - Google Patents
磁性反転導体と一又は複数の磁気抵抗レジスタとからなる磁界センサInfo
- Publication number
- JPH08503778A JPH08503778A JP7501271A JP50127195A JPH08503778A JP H08503778 A JPH08503778 A JP H08503778A JP 7501271 A JP7501271 A JP 7501271A JP 50127195 A JP50127195 A JP 50127195A JP H08503778 A JPH08503778 A JP H08503778A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- strip
- field sensor
- magnetoresistive
- conductor
- 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.)
- Granted
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/096—Magnetoresistive devices anisotropic magnetoresistance sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 再磁化ラインと、バーバーポール構造を有する膜ストリップによって形 成された一又は複数の磁気抵抗レジスタとからなる磁界センサであって、一又は 複数の並列した磁気抵抗膜ストリップが磁気的に分離された領域(1)を備えて おり、該領域は互いに接続され前記膜ストリップの長手方向に対して交互に正角 (4)及び負角(3)を成すバーバーポール構造(3,4)を有しており、高導 電性薄膜導体ストリップ(6)が、再磁化ラインとしての役割を果たし、長手方 向が前記磁気抵抗膜ストリップの長手方向に対して角度を形成し、しかも該膜ス トリップと絶縁され該膜ストリップの下に蛇行状に配置されていることを特徴と する磁界センサ。 2. 前記磁気抵抗膜ストリップの長手方向と前記高導電性薄膜導体ストリッ プの長手方向との成す角度が90゜であることとを特徴とする請求項1に記載の 磁界センサ。 3. 複数の同一の並列した磁気抵抗膜ストリップが蛇行状に接続されて、全 体として単一のレジスタを形成し ていることを特徴とする請求項1及び2に記載の磁界センサ。 4. センサに外部から影響を及ぼす磁界を補償するために、さらに、前記磁 気抵抗レジスタ膜ストリップの長手方向と一致する長手方向を有する高導電性膜 ストリップが他の層と絶縁状態で磁気抵抗膜ストリップの下に設けられており、 接続導体が各2つの磁気抵抗膜ストリップ間の面に延びており、その結果さらに 他の蛇行を形成していることを特徴とする請求項1に記載の磁界センサ。 5. 複数の領域(1)を備えた四つの並列した磁気抵抗膜ストリップが設け られており、該膜ストリップは正角(3)及び負角(4)が交互に変わるバーバ ーポール構造を有する領域(1)から始まり、ホイーストンブリッジを形成する ように接続されていることを特徴とする請求項1又は4に記載の磁界センサ。 6. 各ブリッジレジスタは、複数の磁気抵抗膜ストリップ備えていることを 特徴とする請求項5に記載の磁界センサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE4319146.0 | 1993-06-09 | ||
DE4319146A DE4319146C2 (de) | 1993-06-09 | 1993-06-09 | Magnetfeldsensor, aufgebaut aus einer Ummagnetisierungsleitung und einem oder mehreren magnetoresistiven Widerständen |
PCT/EP1994/001789 WO1994029740A1 (de) | 1993-06-09 | 1994-05-31 | Magnetfeldsensor, aufgebaut aus einer ummagnetisierungsleitung und einem oder mehreren magnetoresistiven widerständen |
Publications (2)
Publication Number | Publication Date |
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JPH08503778A true JPH08503778A (ja) | 1996-04-23 |
JP3465059B2 JP3465059B2 (ja) | 2003-11-10 |
Family
ID=6489983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50127195A Expired - Lifetime JP3465059B2 (ja) | 1993-06-09 | 1994-05-31 | 磁化反転導体と一又は複数の磁気抵抗レジスタとからなる磁界センサ |
Country Status (5)
Country | Link |
---|---|
US (1) | US5521501A (ja) |
EP (1) | EP0654145A1 (ja) |
JP (1) | JP3465059B2 (ja) |
DE (1) | DE4319146C2 (ja) |
WO (1) | WO1994029740A1 (ja) |
Cited By (10)
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JP2002502549A (ja) * | 1996-05-02 | 2002-01-22 | インテグレイテッド マグニートエレクトロニクス | 巨大磁気抵抗性の全金属固体素子 |
JP2007048847A (ja) * | 2005-08-08 | 2007-02-22 | Tokai Rika Co Ltd | 磁気抵抗素子 |
WO2012105459A1 (ja) * | 2011-02-01 | 2012-08-09 | 公立大学法人大阪市立大学 | 電力計測装置 |
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JP2017181240A (ja) * | 2016-03-30 | 2017-10-05 | アルプス電気株式会社 | 磁界検出装置およびその調整方法 |
WO2018139233A1 (ja) * | 2017-01-27 | 2018-08-02 | 三菱電機株式会社 | 磁気抵抗効果素子デバイスおよび磁気抵抗効果素子装置 |
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DE3442278A1 (de) * | 1984-11-20 | 1986-05-22 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Magnetfeldmessgeraet |
JPH07105006B2 (ja) * | 1985-11-05 | 1995-11-13 | ソニー株式会社 | 磁気抵抗効果型磁気ヘツド |
US4851771A (en) * | 1987-02-24 | 1989-07-25 | Kabushiki Kaisha Yaskawa Denki Seisakusho | Magnetic encoder for detection of incremental and absolute value displacement |
GB2202635B (en) * | 1987-03-26 | 1991-10-30 | Devon County Council | Detection of magnetic fields |
JPH077012B2 (ja) * | 1987-08-18 | 1995-01-30 | 富士通株式会社 | 加速度センサ |
DD275745A1 (de) * | 1988-09-26 | 1990-01-31 | Univ Schiller Jena | Magnetisches feldeffekt-bauelement mit vier in einer brueckenschaltung angeordneten magnetfeldabhaengigen widerstaenden |
US4847584A (en) * | 1988-10-14 | 1989-07-11 | Honeywell Inc. | Magnetoresistive magnetic sensor |
JPH03223685A (ja) * | 1990-01-29 | 1991-10-02 | Fujitsu Ltd | 外部磁界検出センサ |
DE4121374C2 (de) * | 1991-06-28 | 2000-09-07 | Lust Electronic Systeme Gmbh | Kompensierter Magnetfeldsensor |
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US5351005A (en) * | 1992-12-31 | 1994-09-27 | Honeywell Inc. | Resetting closed-loop magnetoresistive magnetic sensor |
-
1993
- 1993-06-09 DE DE4319146A patent/DE4319146C2/de not_active Expired - Lifetime
-
1994
- 1994-05-31 WO PCT/EP1994/001789 patent/WO1994029740A1/de not_active Application Discontinuation
- 1994-05-31 US US08/374,795 patent/US5521501A/en not_active Expired - Lifetime
- 1994-05-31 JP JP50127195A patent/JP3465059B2/ja not_active Expired - Lifetime
- 1994-05-31 EP EP94920425A patent/EP0654145A1/de not_active Withdrawn
Cited By (13)
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JP2002502549A (ja) * | 1996-05-02 | 2002-01-22 | インテグレイテッド マグニートエレクトロニクス | 巨大磁気抵抗性の全金属固体素子 |
JP2001028485A (ja) * | 1999-07-15 | 2001-01-30 | Ricoh Co Ltd | 機器の転倒防止装置 |
JP2007048847A (ja) * | 2005-08-08 | 2007-02-22 | Tokai Rika Co Ltd | 磁気抵抗素子 |
US9329213B2 (en) | 2011-02-01 | 2016-05-03 | Sirc Co., Ltd. | Power measuring apparatus |
WO2012105459A1 (ja) * | 2011-02-01 | 2012-08-09 | 公立大学法人大阪市立大学 | 電力計測装置 |
JP2014509389A (ja) * | 2011-02-03 | 2014-04-17 | ゼンジテック ゲゼルシャフト ミット ベシュレンクテル ハフツング | 磁界感知デバイス |
JP2014085339A (ja) * | 2012-10-18 | 2014-05-12 | Analog Devices Inc | 磁界方向検出器 |
JP2016510116A (ja) * | 2013-03-11 | 2016-04-04 | アーエムエス アクチエンゲゼルシャフトams AG | 磁場センサシステム |
JP2014197588A (ja) * | 2013-03-29 | 2014-10-16 | Tdk株式会社 | 平面コイル、磁気検出装置および電子部品 |
JP2017181240A (ja) * | 2016-03-30 | 2017-10-05 | アルプス電気株式会社 | 磁界検出装置およびその調整方法 |
WO2018139233A1 (ja) * | 2017-01-27 | 2018-08-02 | 三菱電機株式会社 | 磁気抵抗効果素子デバイスおよび磁気抵抗効果素子装置 |
JP6377882B1 (ja) * | 2017-01-27 | 2018-08-22 | 三菱電機株式会社 | 磁気抵抗効果素子デバイスおよび磁気抵抗効果素子装置 |
US10564228B2 (en) | 2017-01-27 | 2020-02-18 | Mitsubishi Electric Corporation | Magnetoresistive effect element unit and magnetoresistive effect element device |
Also Published As
Publication number | Publication date |
---|---|
EP0654145A1 (de) | 1995-05-24 |
DE4319146A1 (de) | 1994-12-15 |
JP3465059B2 (ja) | 2003-11-10 |
WO1994029740A1 (de) | 1994-12-22 |
US5521501A (en) | 1996-05-28 |
DE4319146C2 (de) | 1999-02-04 |
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