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21.发明授权公开(公告)号：US11262257B2
公开(公告)日：2022-03-01
申请号：US16757873
申请日：2018-10-30
申请人： MINEBEA MITSUMI Inc.
发明人： Shintaro Takata , Shinya Toda , Toshiaki Asakawa , Keiki Maeno
IPC分类号： G01L1/22
摘要： A strain gauge includes a substrate formed of resin and having flexibility and a functional layer formed of a metal, an alloy, or a metal compound, directly on one surface of the substrate. The strain gauge includes a resistor formed as a film that contains Cr, CrN, and Cr2N and into which an element contained in the functional layer is diffused. The resistor is provided on one surface of the functional layer. A first substance having a function of controlling growth of crystal grains as a main component of the resistor, is added to the resistor.
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公开(公告)号：US12085457B2
公开(公告)日：2024-09-10
申请号：US17753450
申请日：2020-08-05
申请人： MINEBEA MITSUMI Inc.
发明人： Shinya Toda , Atsushi Kitamura , Toshiaki Asakawa
摘要： A sensor module includes a first strain gauge including a first resistor, a second strain gauge including a second resistor, and a flexure element. The first strain gauge has the same characteristic as the second strain gauge. The first strain gauge and the second strain gauge are respectively disposed toward the same surface of the flexure element, via layers each of which has a different linear expansion coefficient.
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公开(公告)号：US11774303B2
公开(公告)日：2023-10-03
申请号：US17286875
申请日：2019-10-18
申请人： MINEBEA MITSUMI Inc.
CPC分类号： G01L1/2287 , B60R21/0136 , E05F15/44 , G01B7/16 , B62D1/046
摘要： An accelerator is an automobile accelerator. The accelerator includes a sensor configured to detect a force to press the accelerator. The sensor includes a flexible substrate and a resistor formed of a film containing Cr, CrN, and Cr2N, on or above the substrate. The sensor is configured to detect the force to press the accelerator as a change in a resistance value of the resistor.
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公开(公告)号：US11542590B2
公开(公告)日：2023-01-03
申请号：US16650560
申请日：2018-09-26
申请人： MINEBEA MITSUMI Inc.
发明人： Toshiaki Asakawa , Yuta Aizawa , Shinya Toda , Shintaro Takata , Shinichi Niwa
摘要： A strain gauge includes a flexible substrate; a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate; and a resistor formed of material including at least one from among chromium and nickel, on one surface of the functional layer.
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公开(公告)号：US11326966B2
公开(公告)日：2022-05-10
申请号：US16650566
申请日：2018-09-27
申请人： MINEBEA MITSUMI Inc.
发明人： Toshiaki Asakawa , Akiyo Yuguchi , Yuta Aizawa , Syota Taneda
摘要： A strain gauge includes a flexible substrate, and a functional layer formed of a metal, an alloy, or a metal compound, directly on one surface of the substrate. The strain gauge includes a resistor formed of a film including Cr, CrN, and Cr2N, on one surface of the functional layer. The substrate includes a filler. Surface unevenness on one surface of the substrate is 15 nm or less, and the resistor has a film thickness of 0.05 μm or more.
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公开(公告)号：US11262181B2
公开(公告)日：2022-03-01
申请号：US17042412
申请日：2019-04-01
申请人： MINEBEA MITSUMI Inc.
发明人： Shinya Toda , Toshiaki Asakawa , Shintaro Takata
IPC分类号： G01B7/16
摘要： A strain gauge includes a flexible resin substrate, and a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate. The strain gauge includes a resistor formed as a film containing Cr, CrN, and Cr2N, on one surface of the functional layer. The strain gauge includes an insulating layer formed of an inorganic material, the resistor being coated with the insulating layer. The strain gauge includes an insulating resin layer formed of an organic material, the insulating layer being coated with the insulating resin layer.
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