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:
Feb. 23, 2016
Filed:
Oct. 08, 2014
Applicant:
Blackberry Limited, Waterloo, CA;
Inventors:
James Oakes, Waterloo, CA;
James Martin, Londonderry, NH (US);
Andrey Kozyrev, St. Petersburg, RU;
Alexandr Prudan, Saint-Petersburg, RU;
Assignee:
BLACKBERRY LIMITED, Waterloo, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01G 5/00 (2006.01); H01G 7/06 (2006.01); H03H 7/38 (2006.01);
U.S. Cl.
CPC ...
H01G 5/00 (2013.01); H01G 7/06 (2013.01); H03H 7/38 (2013.01);
Abstract
An embodiment of the present invention provides a method, comprising reducing the losses due to electro-mechanical coupling and improving Q in a multilayered capacitor by placing a first capacitor layer adjacent at least one additional capacitor layer and sharing a common electrode in between the two such that the acoustic vibration of the first layer is coupled to an anti-phase acoustic vibration of the at least one additional layer.