Magnetostrictive film, magnetostrictive element, torque sensor, force sensor, pressure sensor, and manufacturing method therefor
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United States of America Patent
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Nov 29, 2016
Grant Date -
May 24, 2012
app pub date -
Jul 30, 2010
filing date -
Aug 3, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
For providing a magnetostrictive film that can exhibit high magnetostrictive properties in the vicinity of zero magnetic field and their manufacturing methods, a magnetostrictive film thermal sprayed on an object under test includes a metallic glass film subjected to thermal processing at a temperature lower than the glass transition temperature and not lower than the Curie point, and shows a linearity between the magnetic field and the magnetostriction in at least a part of the magnetic field from −15 kA/m to +15 kA/m (both inclusive).
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- G01L:MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL ....
- G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....
- H01F:MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF M....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C22C:ALLOYS
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