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:
Feb. 20, 2007
Filed:
Jan. 16, 2004
Applicants:
Ming-hung Tseng, Miaoli, TW;
Chin-chih Chen, Hsinchu, TW;
Tzu-chan Wang, Kaohsiung, TW;
Wei-shin Tien, Kaohsiung, TW;
Inventors:
Ming-Hung Tseng, Miaoli, TW;
Chin-Chih Chen, Hsinchu, TW;
Tzu-Chan Wang, Kaohsiung, TW;
Wei-Shin Tien, Kaohsiung, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/053 (2006.01); H01L 41/113 (2006.01);
U.S. Cl.
CPC ...
Abstract
An o-ring sealing device, molded with an imbedded piezoelectric element, for use in vacuum systems. The imbedded element, of a circumferential length, has an oblong cross-sectional shape, the oblong shape having a pair of ends for externally connecting to a signal processor. The piezoelectric element is concentrically disposed and centrally placed within a mold cavity of a predetermined diameter. The cavity is filled with an elastic material fully encapsulating and insulating the piezoelectric element.