The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2023
Filed:
Aug. 24, 2020
Applicant:
Beijing Voyager Technology Co., Ltd., Beijing, CN;
Inventors:
Sae Won Lee, Mountain View, CA (US);
Youmin Wang, Mountain View, CA (US);
Yufeng Wang, Mountain View, CA (US);
Assignee:
Beijing Voyager Technology Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); H02N 2/04 (2006.01); B81B 3/00 (2006.01); G01S 7/481 (2006.01); G02B 26/10 (2006.01); H10N 30/853 (2023.01);
U.S. Cl.
CPC ...
G02B 26/0858 (2013.01); B81B 3/0045 (2013.01); G01S 7/4817 (2013.01); G02B 26/101 (2013.01); H02N 2/043 (2013.01); B81B 2201/042 (2013.01); H10N 30/8554 (2023.02);
Abstract
A piezoelectric actuator including an anchor, an elastic layer having a first end coupled to the anchor, and a piezoelectric layer on the elastic layer. The elastic layer includes a solid sublayer including an elastic material and a second sublayer including a plurality of cavities. The piezoelectric layer is on the second sublayer of the elastic layer and includes a top electrode, a bottom electrode, and a piezoelectric material layer between the top electrode and the bottom electrode.