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.

Date of Patent:
Sep. 01, 2026

Filed:

Jun. 07, 2023
Applicant:

Korea Institute of Science and Technology, Seoul, KR;

Inventors:

Sungmin Han, Seoul, KR;

Jeong Min Heo, Seoul, KR;

Inchan Youn, Seoul, KR;

Won Seok Choi, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/30 (2006.01); A61M 37/00 (2006.01); B06B 3/00 (2006.01);
U.S. Cl.
CPC ...
A61M 37/0092 (2013.01); A61B 17/30 (2013.01); B06B 3/00 (2013.01); B06B 2201/76 (2013.01);
Abstract

An acoustic tweezer is disclosed. The acoustic tweezer includes a function signal generator configured to generate a function signal for an ultrasound signal, a power amplifier configured to amplify the ultrasound signal based on the function signal, and an ultrasound transducer of a single channel in which a hologram thin film having different thin film thicknesses for each region is attached to an ultrasound oscillating surface of the ultrasound transducer, and the ultrasound transducer is configured to generate a plurality of ultrasound signals having different phase differences by allowing an oscillated ultrasound signal to pass through the hologram thin film.


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