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:
Aug. 16, 2022
Filed:
Jan. 19, 2018
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Tae Kyung Lee, Suwon-si, KR;
Jin Suk Son, Suwon-si, KR;
Je Hong Kyoung, Suwon-si, KR;
Ran Hee Shin, Suwon-si, KR;
Sung Sun Kim, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/17 (2006.01); H03H 3/02 (2006.01); H03H 9/13 (2006.01); H03H 9/02 (2006.01);
U.S. Cl.
CPC ...
H03H 9/174 (2013.01); H03H 3/02 (2013.01); H03H 9/02094 (2013.01); H03H 9/131 (2013.01); H03H 9/173 (2013.01); H03H 2003/021 (2013.01); H03H 2003/023 (2013.01);
Abstract
An acoustic resonator includes a membrane layer disposed on an insulating layer; a cavity formed by the insulating layer and the membrane layer and having a hydrophobic layer disposed on at least one of a portion of an upper surface of the cavity and a portion of a lower surface of the cavity; and a resonating portion disposed on the cavity and having a second electrode on a piezoelectric layer on a first electrode.