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Patent Searching and Data


Title:
STRAIN ELEMENT AND FORCE SENSOR INCLUDING STRAIN ELEMENT
Document Type and Number:
WIPO Patent Application WO/2018/154935
Kind Code:
A1
Abstract:
Provided are: a strain element capable of improving reliability while securing reliable electrical connection between an electrode terminal and a lead wiring terminal; and a force sensor including the strain element. A strain element 16 according to an embodiment includes: a central portion 161; an outer peripheral portion 162 which surrounds the central portion; a plurality of connecting portions 163 which connect the central portion and the outer peripheral portion; a plurality of strain sensors S1 to S32 which are provided on the main surfaces of the connecting portions; a plurality of reference resistors RS4 to RS30 which are provided on the main surface of the central portion, and constitute a bridge circuit together with the plurality of strain sensors; an electrode 171 which is provided on the main surface of the central portion, and is electrically connected to the plurality of strain sensors and the plurality of reference resistors to extract a detection signal of the bridge circuit; a lead wiring 182 which electrically connects the electrode and the outside; and an anisotropic conductive film 181 which is provided between the electrode and the lead wiring, and electrically connects the terminal of the electrode and the terminal of the lead wiring.

Inventors:
AKATA, Toyohiko (2188 Akamicho, Sano-sh, Tochigi 04, 〒3270104, JP)
SHUN, Subei (2188 Akamicho, Sano-sh, Tochigi 04, 〒3270104, JP)
SHINGYOCHI, Shigeaki (2188 Akamicho, Sano-sh, Tochigi 04, 〒3270104, JP)
Application Number:
JP2017/045159
Publication Date:
August 30, 2018
Filing Date:
December 15, 2017
Export Citation:
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Assignee:
NIDEC COPAL ELECTRONICS CORPORATION (7-5-25, Nishi-Shinjuku Shinjuku-k, Tokyo 23, 〒1600023, JP)
International Classes:
G01L5/16; G01L1/22
Foreign References:
JP2011112419A2011-06-09
US20110266923A12011-11-03
US20130340537A12013-12-26
US6886415B12005-05-03
JP2008533481A2008-08-21
JP2007010379A2007-01-18
JP2004239621A2004-08-26
JPS6469927A1989-03-15
JP2015029209A2015-02-12
JP2013061305A2013-04-04
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (SUZUYE & SUZUYE BLDG, 1-12-9 Toranomon, Minato-k, Tokyo 01, 〒1050001, JP)
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