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.

Date of Patent:
Nov. 15, 2022

Filed:

Jun. 14, 2019
Applicant:

Samsung Electro-mechanics., Co., Ltd., Suwon-si, KR;

Inventors:

Tae Yoon Kim, Suwon-si, KR;

Jong Woon Kim, Suwon-si, KR;

Dae Hun Jeong, Suwon-si, KR;

Moon Chul Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 3/04 (2006.01); H03H 9/17 (2006.01); H03H 3/02 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02102 (2013.01); H03H 3/04 (2013.01); H03H 9/02118 (2013.01); H03H 9/174 (2013.01); H03H 2003/023 (2013.01); H03H 2003/0407 (2013.01);
Abstract

An acoustic resonator includes: a resonating unit including a piezoelectric layer, a first electrode disposed on a lower side of the piezoelectric layer, and a second electrode disposed on an upper side of the piezoelectric layer; a substrate disposed below the resonating unit; a support unit forming a cavity between the substrate and the resonating unit; and a pillar extending through the cavity and connecting the resonating unit to the substrate. The resonating unit further includes a first insertion layer disposed above the pillar.


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