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:
Jan. 14, 2025
Filed:
Jan. 04, 2021
Wisol Co., Ltd., Gyeonggi-do, KR;
Tae Hyun Kim, Gyeonggi-do, KR;
Chul Hwa Lee, Gyeonggi-do, KR;
Hun Yong Lee, Gyeonggi-do, KR;
Kihara Yoshikazu, Gyeonggi-do, KR;
WISOL CO., LTD., Gyeonggi-do, KR;
Abstract
A surface acoustic wave (SAW) device according to the present invention includes: a substrate; an intermediate layer formed on an upper surface of the substrate; a piezoelectric layer formed on an upper surface of the intermediate layer; and an inter-digital transducer (IDT) electrode formed on an upper surface of the piezoelectric layer to generate a SAW, wherein an upper portion of the substrate is deformed by a predetermined thickness by ion implantation to form an ion trap layer and the intermediate layer is formed on an upper surface of the ion trap layer.