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公开(公告)号：US11598687B2
公开(公告)日：2023-03-07
申请号：US16178469
申请日：2018-11-01
发明人： Jae Ik Lim , Won Sang Park , Hye Yong Chu , Do-Il Kim , Nae-Eung Lee , Han-Byeol Lee
摘要： A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.
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公开(公告)号：US12111219B2
公开(公告)日：2024-10-08
申请号：US18104672
申请日：2023-02-01
发明人： Jae Ik Lim , Won Sang Park , Hye Yong Chu , Do-Il Kim , Nae-Eung Lee , Han-Byeol Lee
CPC分类号： G01L19/148 , G01L1/148 , G01L1/16
摘要： A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.
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