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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.:

US 11205410 B1

PDFFull Text
Date of Patent:
Dec. 21, 2021

Filed:

Jul. 24, 2018

Anisotropic media for elastic wave mode conversion, shear mode ultrasound transducer using the anisotropic media, sound insulating panel using the anisotropic media, filter for elastic wave mode conversion, ulstrasound transducer using the filter, and wave energy dissipater using the filter

Applicant:

Seoul National University R&db Foundation, Seoul, KR;

Inventors:

Yoon-young Kim, Seoul, KR;

Xiongwei Yang, Seoul, KR;

Min-woo Kweun, Seoul, KR;

Hyung-jin Lee, Seoul, KR;

Assignee:

SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION;

Attorney:

LEEPI

Primary Examiner:

Jeremy A Luks

Int. Cl.
CPC ...
G10K 11/04 (2006.01); G10K 11/172 (2006.01); G10K 11/162 (2006.01);
U.S. Cl.
CPC ...
G10K 11/04 (2013.01); G10K 11/162 (2013.01); G10K 11/172 (2013.01);
Abstract

The anisotropic media has an anisotropic layer, is disposed between outer isotropic media, causes multiple mode transmission on an elastic wave having a predetermined mode incident into the anisotropic media, and has a mode-coupling stiffness constant not zero. A thickness of the anisotropic layer according to modulus of elasticity and excitation frequency satisfies Equation (2) which is a phase matching condition of elastic waves propagating along the same direction or Equation (3) which is a phase matching condition of elastic waves propagating along the opposite direction, to generate mode conversion Fabry-Pérot resonance,Δϕ≡=(2+1)π,   Equation (2)Σϕ≡=(2+1)π,   Equation (3)

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Kim, Yoon-young. (2021). Anisotropic media for elastic wave mode conversion, shear mode ultrasound transducer using the anisotropic media, sound insulating panel using the anisotropic media, filter for elastic wave mode conversion, ulstrasound transducer using the filter, and wave energy dissipater using the filter (U.S. Patent No. 11205410). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11205410

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