Magnet structure, rotational angle detector, and electric power steering device
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United States of America Patent
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Aug 24, 2021
Grant Date -
Sep 12, 2019
app pub date -
Nov 9, 2018
filing date -
Mar 8, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A magnet structure is a magnet structure for a TMR element which is an MR element. The magnet structure includes a bonded magnet compact that has a first main surface facing the TMR element, and a second main surface on a side opposite to the first main surface; and a tubular member that supports the bonded magnet compact. The bonded magnet compact has a gate portion which is provided on the second main surface and includes a gate mark formed by performing injection molding. The gate portion is provided at a position overlapping a center on the second main surface when seen from the second main surface side.
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