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. 01, 2009
Filed:
Jun. 28, 2006
Ming-wei Chang, Taichung County, TW;
Tsung-ju Gwo, Taipei County, TW;
Tse-min Deng, Hsinchu, TW;
Zhen-yuan Chung, Taoyuan County, TW;
Ming-Wei Chang, Taichung County, TW;
Tsung-Ju Gwo, Taipei County, TW;
Tse-Min Deng, Hsinchu, TW;
Zhen-Yuan Chung, Taoyuan County, TW;
Industrial Technology Research Institute, Chutung, Hsinchu, TW;
Abstract
A capacitive ultrasonic transducer includes a first electrode, an insulating layer formed on the first electrode, at least one support frame formed on the insulating layer, and a second electrode formed spaced apart from the first electrode, wherein the first electrode and the second electrode define an effective area of oscillation of the capacitive ultrasonic transducer, and the respective length of the first electrode and the second electrode defining the effective area of oscillation is substantially the same.