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. 15, 2017
Filed:
Jul. 26, 2012
Jea Shik Shin, Hwaseong-si, KR;
IN Sang Song, Osan-si, KR;
Young IL Kim, Suwon-si, KR;
Duck Hwan Kim, Goyang-si, KR;
Chul Soo Kim, Hwaseong-si, KR;
Sang Uk Son, Yongin-si, KR;
Hyung Rak Kim, Seoul, KR;
Jae Chun Lee, Seoul, KR;
Jea Shik Shin, Hwaseong-si, KR;
In Sang Song, Osan-si, KR;
Young Il Kim, Suwon-si, KR;
Duck Hwan Kim, Goyang-si, KR;
Chul Soo Kim, Hwaseong-si, KR;
Sang Uk Son, Yongin-si, KR;
Hyung Rak Kim, Seoul, KR;
Jae Chun Lee, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A bulk acoustic wave resonator (BAWR) includes a bulk acoustic resonance unit and at least one compensation layer. The bulk acoustic resonance unit includes a first electrode, a second electrode, and a piezoelectric layer disposed between the first electrode and the second electrode. The first electrode, the second electrode, and the piezoelectric layer each include a material that modifies a resonance frequency based on a temperature, and the at least one compensation layer includes a material that adjusts the resonance frequency modified based on the temperature in a direction opposite to a direction of the modification.