公开(公告)号：US20210146401A1

公开(公告)日：2021-05-20

申请号：US16612281

申请日：2018-05-02

Applicant: Sony Corporation

Inventor： Akihiro NAKATA ,  Satoshi NAKAMARU ,  Yoshio GOTO ,  Hiroichi ISHIKAWA ,  Kentarou SAKAI ,  Kazuhito WAKANA

IPC: B06B1/06 ,  H01L41/047 ,  H01L41/053 ,  H01L41/08 ,  H01L41/083 ,  H01L41/09 ,  H01L41/193 ,  G08B6/00

Abstract: An actuator includes a laminate including an elastomer layer and an electrode, in which the laminate has a spiral or concentric shape, pre-distortion is applied to at least one member out of the elastomer layer and the electrode, and area distortion of the at least one member is 10% or larger.

公开(公告)号：US20190192821A1

公开(公告)日：2019-06-27

申请号：US16322289

申请日：2017-08-03

Applicant: SONY CORPORATION

Inventor： Akihiro NAKATA ,  Satoshi NAKAMARU ,  Hiroichi ISHIKAWA ,  Kazuhito WAKANA ,  Yoshio GOTO

IPC: A61M25/01 ,  A61B1/005 ,  H02N1/00

CPC classification number: A61M25/0155 ,  A61B1/00 ,  A61B1/0053 ,  A61B1/0056 ,  A61B1/0057 ,  A61B1/008 ,  B25J9/1075 ,  B25J9/14 ,  G02B23/24 ,  H02N1/006 ,  H02N11/00

Abstract: An actuator is provided with a tubular actuator element and a supporting body which supports an inner peripheral surface of the actuator element. An internal pressure of the actuator element is higher than an external pressure of the actuator element.