发明授权
- 专利标题： Signal transmission device
- 专利标题（中）： 信号传输装置
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申请号： US13062818申请日： 2009-09-29
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公开(公告)号： US08963544B2公开(公告)日： 2015-02-24
- 发明人: Hirofumi Imatani , Masaaki Yamamoto , Mamiko Naka , Yasushi Kaneta , Kiwamu Shirakawa
- 申请人： Hirofumi Imatani , Masaaki Yamamoto , Mamiko Naka , Yasushi Kaneta , Kiwamu Shirakawa
- 申请人地址： JP Miyagi
- 专利权人： The Research Institute for Electric and Magnetic Materials
- 当前专利权人： The Research Institute for Electric and Magnetic Materials
- 当前专利权人地址： JP Miyagi
- 代理机构： Osha Liang LLP
- 优先权： JP2008-251594 20080929
- 国际申请： PCT/JP2009/066948 WO 20090929
- 国际公布： WO2010/035873 WO 20100401
- 主分类号： G01R33/02
- IPC分类号： G01R33/02 ; G01B7/14 ; G11B5/127 ; C23C16/52 ; H01L29/82 ; G01R33/09 ; B82Y25/00 ; G01R33/00 ; H01L43/08
摘要：
A magnetic detection element includes a magnetoresistance effect portion composed of a magnetoresistance effect material and a pair of yoke portions. The pair of yoke portions is composed of a soft magnetic material and are respectively arranged so as to be electrically connected to both sides of the magnetoresistance effect portion. The pair of yoke portions guides magnetic flux into the magnetoresistance effect portion. The magnetic detection element also includes a bypass portion, which is composed of a soft magnetic material and is saturated with magnetic flux at lower magnetic field intensity than the yoke portions, and which guides a part of the magnetic flux generated in the yoke portions so as to divert the magnetic flux from the magnetoresistance effect portion.
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