公开(公告)号：US20240032432A1

公开(公告)日：2024-01-25

申请号：US18374579

申请日：2023-09-28

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shoji OKAMOTO ,  Ryouichi TAKAYAMA ,  Takuma KATAYAMA

IPC: H10N30/87 ,  H02N2/10 ,  H02N2/00 ,  H10N30/853 ,  H10N30/082 ,  H10N30/06

CPC classification number: H10N30/87 ,  H02N2/108 ,  H02N2/22 ,  H10N30/8548 ,  H10N30/082 ,  H10N30/06 ,  G02B26/0858

Abstract: A drive element includes: a fixing part; a drive part placed on a lateral side of the fixing part and coupled to the fixing part; and a movable part configured to be driven by the drive part. A lower electrode, a piezoelectric layer, and an upper electrode are formed in order in an upper surface region of the fixing part and the drive part, and in a wiring region on the fixing part side of the upper surface region, a low dielectric layer containing at least one element forming the piezoelectric layer is formed on an upper surface of the piezoelectric layer.

公开(公告)号：US20240184101A1

公开(公告)日：2024-06-06

申请号：US18440521

申请日：2024-02-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shoji OKAMOTO

IPC: G02B26/10 ,  H02N2/10

CPC classification number: G02B26/105 ,  H02N2/108

Abstract: A drive element includes: a fixing part; an oscillating plate connected to the fixing part and having a movable part configured to rotate about a rotation axis; and a drive part placed on the oscillating plate and configured to drive the oscillating plate. The oscillating plate contains a first material having a positive linear expansion coefficient and a second material having a negative linear expansion coefficient.