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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 9997696 B1

PDFFull Text
Date of Patent:
Jun. 12, 2018

Filed:

Mar. 10, 2014

Methods of manufacturing high frequency piezocomposite ultrasound transducers

Applicant:

Fujifilm Sonosite, Inc., Bothell, WA (US);

Inventors:

Jeremy Brown, Halifax, CA;

F. Stuart Foster, Toronto, CA;

Jianhua Yin, Scarborough, CA;

Assignee:

FUJIFILM SonoSite, Inc., Bothell, WA (US);

Attorney:

Perkins Coie LLP

Primary Examiner:

A Dexter Tugbang

Int. Cl.
CPC ...
H01L 41/187 (2006.01); H01L 41/27 (2013.01); H01L 41/33 (2013.01); H01L 41/29 (2013.01); H01L 41/25 (2013.01); H01L 41/08 (2006.01); A61B 1/06 (2006.01); B06B 1/02 (2006.01); B06B 1/06 (2006.01); A61B 8/12 (2006.01); G01S 15/89 (2006.01);
U.S. Cl.
CPC ...
H01L 41/1876 (2013.01); A61B 1/06 (2013.01); B06B 1/0622 (2013.01); H01L 41/08 (2013.01); H01L 41/25 (2013.01); H01L 41/27 (2013.01); H01L 41/29 (2013.01); H01L 41/33 (2013.01); A61B 8/12 (2013.01); B06B 1/02 (2013.01); B06B 1/0292 (2013.01); B06B 1/06 (2013.01); B06B 1/064 (2013.01); B06B 1/0607 (2013.01); G01S 15/8925 (2013.01); G01S 15/8956 (2013.01); Y10T 29/42 (2015.01); Y10T 29/49005 (2015.01);
Abstract

Methods of manufacturing transducers with triangular cross-sectional shaped pillars are disclosed herein. According to one aspect of the present application, a plurality of first, second and third troughs are formed in a transducer substrate in first, second and third directions, respectively, to form an array of pillars. In one embodiment, the first direction is substantially parallel to a longitudinal axis of the substrate, the second direction is substantially perpendicular to the longitudinal axis of the substrate, and the third direction is oblique to the longitudinal axis of the substrate. The resulting array of pillars can be configured to suppress lateral modes of a high frequency ultrasound transducer.

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