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:
Dec. 06, 2005
Filed:
Nov. 27, 2002
Mareike Klee, Huekelhoven, DE;
Tilman Schlenker, Aachen, DE;
Olaf Dannappel, Aachen, DE;
Hans-peter Loebl, Monschau-Imgenbroich, DE;
Georg Schmitz, Roetgen, DE;
John Fraser, Woodinville, WA (US);
Mareike Klee, Huekelhoven, DE;
Tilman Schlenker, Aachen, DE;
Olaf Dannappel, Aachen, DE;
Hans-Peter Loebl, Monschau-Imgenbroich, DE;
Georg Schmitz, Roetgen, DE;
John Fraser, Woodinville, WA (US);
Koninklijke Philips Electronics, N.V., Eindhoven, NL;
Abstract
The invention relates to an array of ultrasound transducers which each comprise a substrate (), a membrane (), a first electrode (), a piezoelectric layer (), and a second electrode (), wherein the substrate () comprises at least one opening () which adjoins the membrane () at one side, while the piezoelectric layer () has a high piezoelectric coupling coefficient k and is textured. The invention further relates to an ultrasound transducer and to a method of manufacturing an array of ultrasound transducers.