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:
Oct. 11, 2022
Filed:
Feb. 15, 2019
Taiyo Yuden Co., Ltd., Tokyo, JP;
Fumihisa Ito, Takasaki, JP;
Yukihiro Matsui, Takasaki, JP;
TAIYO YUDEN CO., LTD., Tokyo, JP;
Abstract
A piezoelectric actuatorincludes: a piezoelectric element; an external electrodecovering partially a first surfaceof the piezoelectric elementin a first direction; a wiring member; and a conductive joining memberjoining the wiring memberto the external electrode, wherein the conductive joining memberhas an air gapformed between the external electrodeand the wiring memberin a region overlapping with the wiring memberas viewed in the first direction, and wherein the conductive joining memberextends to an edgeof the external electrodeor extends to the first surfaceof the piezoelectric elementbeyond the edgeof the external electrode