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:
Jul. 04, 2023
Filed:
Jun. 24, 2019
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Tae Kyung Lee, Suwon-si, KR;
Je Hong Kyoung, Suwon-si, KR;
Sung Sun Kim, Suwon-si, KR;
Jin Suk Son, Suwon-si, KR;
Ran Hee Shin, Suwon-si, KR;
Hwa Sun Lee, Suwon-si, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Abstract
A bulk-acoustic wave resonator comprises a substrate, a resonant portion comprising a first electrode, a piezoelectric layer, and a second electrode sequentially stacked on the substrate, and further comprising a center portion and an extension portion that is disposed along a periphery of the center portion, and an insertion layer that is disposed in the extension portion between the first electrode and the piezoelectric layer, and the insertion layer is formed of an aluminum alloy containing scandium (Sc).