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. 14, 2012
Filed:
Aug. 20, 2008
Hye Jin Kim, Daejeon, KR;
Sung Q Lee, Daejeon, KR;
Sang Kyun Lee, Gwangju, KR;
Jae Woo Lee, Daejeon, KR;
Kang Ho Park, Daejeon, KR;
Jong Dae Kim, Daejeon, KR;
Hye Jin Kim, Daejeon, KR;
Sung Q Lee, Daejeon, KR;
Sang Kyun Lee, Gwangju, KR;
Jae Woo Lee, Daejeon, KR;
Kang Ho Park, Daejeon, KR;
Jong Dae Kim, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A piezoelectric microphone, a speaker, a microphone-speaker integrated device and a manufacturing method thereof are provided. The microphone-speaker integrated device includes a silicon substrate and an insulating layer deposited on the silicon substrate; a piezoelectric plate formed on the insulating layer; and a mating electrode formed on the piezoelectric plate. The mating electrode is patterned with a polarity arrayed in series.