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:
Mar. 05, 2019
Filed:
Jul. 09, 2015
Applicant:
Snaptrack Inc., San Diego, CA (US);
Inventors:
Assignee:
SnapTrack, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 9/145 (2006.01); H03H 9/46 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02834 (2013.01); H03H 9/02102 (2013.01); H03H 9/14544 (2013.01); H03H 9/462 (2013.01);
Abstract
For a component operating with acoustic waves, it is proposed to provide a compensation layer on the component for compensating for a negative temperature coefficient of the frequency, which includes a material based on a chemical compound made up of at least two elements, which has a negative thermal expansion coefficient.