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. 23, 2023
Filed:
Sep. 27, 2019
Applicant:
Bfly Operations, Inc., Burlington, MA (US);
Inventors:
Jianwei Liu, Fremont, CA (US);
Keith G. Fife, Palo Alto, CA (US);
Joseph Lutsky, Los Altos, CA (US);
Lingyun Miao, Fremont, CA (US);
Assignee:
BFLY OPERATIONS, INC., Burlington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B81B 7/00 (2006.01); B81C 1/00 (2006.01); H04R 31/00 (2006.01); A61B 8/00 (2006.01); G10K 13/00 (2006.01); G10K 11/28 (2006.01);
U.S. Cl.
CPC ...
B81B 7/0038 (2013.01); A61B 8/4483 (2013.01); B81C 1/00158 (2013.01); G10K 13/00 (2013.01); H04R 31/003 (2013.01); B81B 2201/0271 (2013.01); G10K 11/28 (2013.01);
Abstract
A method of forming an ultrasound transducer device includes bonding a membrane to a substrate so as to form a sealed cavity between the membrane and the substrate. An exposed surface located within the sealed cavity includes a getter material that is electrically isolated from a bottom electrode of the cavity.