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:
Jan. 28, 2020
Filed:
Nov. 03, 2017
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/54 (2006.01); H03H 9/60 (2006.01); H03H 9/17 (2006.01); H03H 9/02 (2006.01); H03H 9/58 (2006.01); H03H 3/02 (2006.01); H03H 9/00 (2006.01); H03H 9/70 (2006.01); H03H 9/13 (2006.01);
U.S. Cl.
CPC ...
H03H 9/547 (2013.01); H03H 3/02 (2013.01); H03H 9/0095 (2013.01); H03H 9/02015 (2013.01); H03H 9/132 (2013.01); H03H 9/171 (2013.01); H03H 9/584 (2013.01); H03H 9/587 (2013.01); H03H 9/605 (2013.01); H03H 9/706 (2013.01);
Abstract
A filter may include a plurality of bulk acoustic wave resonators including one or more series resonators and one or more shunt resonators formed by a first electrode, a piezoelectric layer, and a second electrode sequentially stacked on a substrate, a cap accommodating the plurality of bulk acoustic wave resonators therein, and one or more switches provided on the cap.