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:
May. 31, 2022
Filed:
Jun. 19, 2019
Center for Advanced Meta-materials, Daejeon, KR;
Shin Hur, Sejong-Si, KR;
Jun Ho Jeong, Daejeon, KR;
Kyung Jun Song, Daejeon, KR;
Hak Joo Lee, Daejeon, KR;
Jong Jin Park, Sejong-Si, KR;
Jun Hyuk Kwak, Daejeon, KR;
CENTER FOR ADVANCED META-MATERIALS, Daejeon, KR;
Abstract
An embodiment of the present invention provides an ultrasonic wave amplifying unit which can improve ultrasonic power in air, wherein the ultrasonic wave amplifying unit includes multiple rings having a concentric axis and each having a first width, and a slit having a second width is formed between the rings and an air layer is formed between the multiple rings and an ultrasonic wave generator generating ultrasonic waves or a transfer medium transferring the ultrasonic waves.