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:
May. 21, 2024
Filed:
Mar. 10, 2021
Applicant:
Bfly Operations, Inc., Burlington, MA (US);
Inventors:
Jianwei Liu, Fremont, CA (US);
Lingyun Miao, Fremont, CA (US);
Victor L. Pushparaj, Milpitas, CA (US);
Assignee:
BFLY OPERATIONS, INC., Burlington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/24 (2006.01); A61B 8/00 (2006.01); B06B 1/02 (2006.01); B81B 7/00 (2006.01); B81C 1/00 (2006.01);
U.S. Cl.
CPC ...
G01N 29/2406 (2013.01); A61B 8/4483 (2013.01); B06B 1/0292 (2013.01); B81B 7/007 (2013.01); B81C 1/00166 (2013.01);
Abstract
An ultrasonic transducer device includes a bottom electrode layer of a transducer cavity disposed over a substrate. The bottom electrode layer includes a bottom layer of a first type metal; a top layer of the first type metal; a second type metal disposed between the bottom layer and the top layer; and at least one intermediate layer of the first type metal disposed between the bottom layer and the top layer, the at least one intermediate layer configured so as to define at least two discrete layers of the second type metal.