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:
Sep. 04, 2018
Filed:
Mar. 17, 2017
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Tae Kyung Lee, Suwon-si, KR;
Yong Jin Kang, Suwon-si, KR;
Moon Chul Lee, Suwon-si, KR;
Jae Hyoung Gil, Suwon-si, KR;
Chang Hyun Lim, Suwon-si, KR;
Tae Yoon Kim, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/54 (2006.01); H01L 41/08 (2006.01); H03H 3/02 (2006.01); H03H 9/60 (2006.01); H01L 41/047 (2006.01);
U.S. Cl.
CPC ...
H03H 9/60 (2013.01); H01L 41/0477 (2013.01); H03H 3/02 (2013.01); H03H 9/547 (2013.01);
Abstract
A bulk-acoustic wave filter device includes: a lower electrode layer disposed on the substrate; a bonding part disposed on the lower electrode layer, at an edge of the substrate; a ground part spaced apart from the bonding part; and a flow suppressing part disposed between the bonding part and the ground part, and offset with respect to the bonding part and the ground part.