ES2128263B1 - Dispositivos magnetoresistivos para la deteccion de presencia y posicion de piezas metalicas. - Google Patents
Dispositivos magnetoresistivos para la deteccion de presencia y posicion de piezas metalicas.Info
- Publication number
- ES2128263B1 ES2128263B1 ES9701153A ES9701153A ES2128263B1 ES 2128263 B1 ES2128263 B1 ES 2128263B1 ES 9701153 A ES9701153 A ES 9701153A ES 9701153 A ES9701153 A ES 9701153A ES 2128263 B1 ES2128263 B1 ES 2128263B1
- Authority
- ES
- Spain
- Prior art keywords
- sub
- magnetoresistive
- metal parts
- devices
- detection
- 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
Links
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 title 1
- 239000000463 material Substances 0.000 abstract 2
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- 229910052772 Samarium Inorganic materials 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 229910052747 lanthanoid Inorganic materials 0.000 abstract 1
- 150000002602 lanthanoids Chemical class 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 abstract 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Hall/Mr Elements (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
Dispositivos magnetoresistivos para la detección de presencia y posición de piezas metálicas que se componen de un circuito magnético que utiliza como elemento sensor, un material magnetoresistivo basado en óxidos de manganeso, de la familia de las perovskitas de fórmula general L{sub,1-x A{sub,x MnO{sub,3-y , donde L es un lantánido trivalente (La, Nd, Sm,...) y A es un catión alcalino térreo (Ca, Sr, Ba, Pb.....), preparado mediante la técnica de serigrafía, en forma de capa gruesa. El circuito magnético está formado por un puente de Wheatstone con una o dos ramas magnetoresistivas de resistencias MR1 y MR2, montadas sobre un imán permanente (Figura 1) y en los que el material sensible es La{sub,2/3 Sr{sub,1/3 MnO{sub,3 preparado mediante la técnica de serigrafía, en forma de capa gruesa de unos 20{u m de espesor. Estos dispositivos tienen una aplicación concreta para su uso como cuentarrevoluciones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES9701153A ES2128263B1 (es) | 1997-05-28 | 1997-05-28 | Dispositivos magnetoresistivos para la deteccion de presencia y posicion de piezas metalicas. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES9701153A ES2128263B1 (es) | 1997-05-28 | 1997-05-28 | Dispositivos magnetoresistivos para la deteccion de presencia y posicion de piezas metalicas. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2128263A1 ES2128263A1 (es) | 1999-05-01 |
| ES2128263B1 true ES2128263B1 (es) | 1999-12-16 |
Family
ID=8299469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES9701153A Expired - Fee Related ES2128263B1 (es) | 1997-05-28 | 1997-05-28 | Dispositivos magnetoresistivos para la deteccion de presencia y posicion de piezas metalicas. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2128263B1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2276615B1 (es) * | 2005-10-28 | 2008-04-16 | Universidad Complutense De Madrid | Dispositivo para la medida de campos magneticos continuos basado en oxidos mixtos de manganeso con estructura tipo perovskita. |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482006A (en) * | 1980-09-02 | 1984-11-13 | Anderson Cary R | Thermal energy meter |
| US5487356A (en) * | 1992-08-07 | 1996-01-30 | Advanced Technology Materials, Inc. | Chemical vapor deposition method of growing oxide films with giant magnetoresistance |
| US5549977A (en) * | 1993-11-18 | 1996-08-27 | Lucent Technologies Inc. | Article comprising magnetoresistive material |
| US5477143A (en) * | 1994-01-11 | 1995-12-19 | Honeywell Inc. | Sensor with magnetoresistors disposed on a plane which is parallel to and displaced from the magnetic axis of a permanent magnet |
| US5834709A (en) * | 1994-01-26 | 1998-11-10 | Lucent Technologies Inc. | Position sensing systems including magnetoresistive elements |
| DE4446313A1 (de) * | 1994-12-23 | 1996-06-27 | Teves Gmbh Alfred | Aktiver Sensor mit einem magnetfeldabhängigen Meßelement |
| US5767673A (en) * | 1995-09-14 | 1998-06-16 | Lucent Technologies Inc. | Article comprising a manganite magnetoresistive element and magnetically soft material |
| US5596272A (en) * | 1995-09-21 | 1997-01-21 | Honeywell Inc. | Magnetic sensor with a beveled permanent magnet |
-
1997
- 1997-05-28 ES ES9701153A patent/ES2128263B1/es not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2128263A1 (es) | 1999-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EC2A | Search report published |
Date of ref document: 19990501 Kind code of ref document: A1 Effective date: 19990501 |
|
| FD2A | Announcement of lapse in spain |
Effective date: 20180807 |