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:
Jul. 29, 2014
Filed:
Sep. 20, 2011
Applicants:
Sophie Ngo, Tours, FR;
Edgard Jeanne, Saint Cyr sur Loire, FR;
Daniel Alquier, Tours, FR;
Inventors:
Assignees:
STMicroelectronics (Tours) SAS, Tours, FR;
Universite Francois Rabelais, Tours, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02N 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electroacoustic transducer including a first electrode formed on a substrate capable of transmitting ultrasounds, a membrane formed above the first electrode and separated therefrom by a cavity, a second electrode formed on the membrane, a first insulating layer on the second electrode, and a third electrode formed on the first insulating layer.