公开(公告)号：US10770644B2

公开(公告)日：2020-09-08

申请号：US15646160

申请日：2017-07-11

Applicant: ALPS ALPINE CO., LTD.

Inventor： Heishiro Fudo ,  Yasuji Hagiwara ,  Daisuke Takai ,  Shoji Sakurai ,  Masahiro Ishida ,  Yo Tahara

IPC: H01L41/113 ,  H01L41/053 ,  H01L41/047 ,  H01L41/37 ,  H01L41/08 ,  H01L41/333 ,  H01L41/314 ,  H01L41/18 ,  H01L41/33

Abstract: A piezoelectric device includes a substrate that is flexible and thermally deformable, and a composite piezoelectric body disposed on the substrate. Output in accordance with deformation of the composite piezoelectric body is obtained. The composite piezoelectric body includes a piezoelectric layer containing an organic binder containing piezoelectric particles, a first electrode layer stacked on a first surface side of the piezoelectric layer, and a second electrode stacked on a second surface side of the piezoelectric layer. The substrate is insert molded and integrated with a molded resin body having a curved shape.