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:
Oct. 02, 2012
Filed:
Apr. 27, 2009
Applicants:
Seok-whan Chung, Suwon-si, KR;
Dong-kyun Kim, Suwon-si, KR;
Byung-gil Jeong, Anyang-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are a piezoelectric microspeaker and a method of fabricating the same. In the piezoelectric microspeaker, a diaphragm includes a first region and a second region. The first region may be formed of a material capable of maximizing an exciting force, and the second region may be formed of a material having less initial stress and a lower Young's modulus than the first region.