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. 30, 2021
Filed:
Jan. 19, 2018
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Tae Kyung Lee, Suwon-si, KR;
Jun Lim, Suwon-si, KR;
Jong Woon Kim, 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:
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 9/02086 (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; a resonating portion disposed on the cavity and having a first electrode, a piezoelectric layer, and a second electrode stacked thereon; a protective layer disposed on the resonating portion; and a hydrophobic layer formed on the protective layer.