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:
Apr. 21, 2025
Filed:
Mar. 03, 2022
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Andrew Guyette, San Mateo, CA (US);
Neal Fenzi, Santa Barbara, CA (US);
Assignee:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/56 (2005.12); H03H 3/02 (2005.12); H03H 9/02 (2005.12); H03H 9/05 (2005.12); H03H 9/13 (2005.12); H03H 9/17 (2005.12);
U.S. Cl.
CPC ...
H03H 9/568 (2012.12); H03H 3/02 (2012.12); H03H 9/02031 (2012.12); H03H 9/02228 (2012.12); H03H 9/0523 (2012.12); H03H 9/0542 (2012.12); H03H 9/132 (2012.12); H03H 9/174 (2012.12); H03H 9/176 (2012.12); H03H 9/562 (2012.12); H03H 9/564 (2012.12); H03H 2003/023 (2012.12);
Abstract
Acoustic filters are disclosed. A bandpass filter has a passband between a lower band edge and an upper band edge. The bandpass filter includes a plurality of transversely-excited film bulk acoustic resonators (XBARs) connected in a ladder filter circuit. The plurality of XBARs includes at least one lithium tantalate XBAR and at least one lithium niobate XBAR.