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:
Jun. 02, 2015
Filed:
Jun. 27, 2011
Joo-ho Lee, Hwaseong-si, KR;
Dong-kyun Kim, Suwon-si, KR;
Sang-hun Lee, Seoul, KR;
Seok-whan Chung, Suwon-si, KR;
Joo-Ho Lee, Hwaseong-si, KR;
Dong-Kyun Kim, Suwon-si, KR;
Sang-Hun Lee, Seoul, KR;
Seok-Whan Chung, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A piezoelectric microspeaker and a method of fabricating the same are provided. The piezoelectric microspeaker includes a substrate having a through hole therein; a diaphragm disposed on the substrate and covering the through hole; and a plurality of piezoelectric actuators including a piezoelectric member, a first electrode, and a second electrode, wherein the first and second electrodes are configured to induce an electric field in the piezoelectric member. The piezoelectric actuators include a central actuator, which is disposed on a central portion of the diaphragm and a plurality of edge actuators, which are disposed a predetermined distance apart from the central actuator and are formed on a plurality of edge portions of the diaphragm.