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. 07, 2002
Filed:
Jan. 21, 2000
Applicant:
Inventor:
John Douglas Fraser, Woodinville, WA (US);
Assignee:
ATL Ultrasound, Inc., Bothell, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/700 ; H01L 4/108 ;
U.S. Cl.
CPC ...
H04R 1/700 ; H01L 4/108 ;
Abstract
A two dimensional ultrasonic transducer array suitable for three dimensional phased array scanning is formed of hexagonally close packed transducer elements. In a preferred embodiment the transducer elements have a rectilinear shape, allowing the array to be fabricated with conventional dicing saw processes.