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.

Date of Patent:
Sep. 14, 2010

Filed:

Sep. 25, 2006
Applicants:

John D. Larson, Iii, Palo Alto, CA (US);

Storrs T. Hoen, Brisbane, CA (US);

Annette C. Grot, Cupertino, CA (US);

Richard C. Ruby, Menlo Park, CA (US);

Graham M. Flower, San Jose, CA (US);

Inventors:

John D. Larson, III, Palo Alto, CA (US);

Storrs T. Hoen, Brisbane, CA (US);

Annette C. Grot, Cupertino, CA (US);

Richard C. Ruby, Menlo Park, CA (US);

Graham M. Flower, San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sensor senses an environmental condition. The sensor includes a film bulk acoustic resonator that includes a layer of material that causes resonant frequency and/or quality factor shifts of the film bulk acoustic resonator in response to changes in the environmental condition. The environmental condition may be relative humidity and the layer of material may be a moisture absorptive material.


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