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Magnetic field sensor having anisotropic magnetoresisitive elements, with improved arrangement of magnetization elements thereof
US9018946B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9018946-B2 |
| Application number | US-201113333848-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 21, 2011 |
| Priority date | Dec 27, 2010 |
| Publication date | Apr 28, 2015 |
| Grant date | Apr 28, 2015 |
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Abstract
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An integrated magnetic-field sensor designed to detect an external magnetic field, comprising a first magnetoresistive structure for detecting the external magnetic field, the first magnetoresistive structure including first magnetoresistive means having a main axis of magnetization and a secondary axis of magnetization set orthogonal to one another. The magnetic-field sensor further comprises a magnetic-field generator, including a first portion configured for generating a first magnetic field having field lines in a first field direction, and a second portion, which is coplanar and is connected to the first portion, configured for generating a second magnetic field having field lines in a second field direction, the first magnetoresistive means being configured so that the main axis of magnetization extends parallel to the first field direction, and the secondary axis of magnetization extends parallel to the second field direction.
First claim
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The invention claimed is: 1. An integrated magnetic-field sensor to detect an external magnetic field, comprising: a first magnetoresistive structure configured to detect said external magnetic field, the first magnetoresistive structure having a main axis of magnetization and a secondary axis of magnetization orthogonal to one another, the first magnetoresistive structure including: a first magnetoresistive element having a length and width that are substantially parallel to the…
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Physics · mapped topic
Operations & Transport · mapped topic
- G01R33/093Primary
Physics · mapped topic
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- What does patent US9018946B2 cover?
- An integrated magnetic-field sensor designed to detect an external magnetic field, comprising a first magnetoresistive structure for detecting the external magnetic field, the first magnetoresistive structure including first magnetoresistive means having a main axis of magnetization and a secondary axis of magnetization set orthogonal to one another. The magnetic-field sensor further comprises …
- Who is the assignee on this patent?
- Paci Dario, Zerbini Sarah, St Microelectronics Srl
- What technology area does this patent fall under?
- Primary CPC classification G01R33/093. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Apr 28 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).