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:
May. 24, 2011
Filed:
Aug. 07, 2006
Chung Dam Song, Seoul, KR;
Chung Dam Song, Seoul, KR;
BSE Co., Ltd., Incheon, KR;
Abstract
A silicon condenser microphone has an additional back chamber and a sound hole in a PCB. The microphone includes a case for blocking an external sound; a substrate including a chamber case, a MEMS chip having an additional back chamber formed by the chamber case, an ASIC chip for operating the MEMS chip, a conductive pattern for a bonding to the case, and a sound hole for passing the external sound. A fixing means fixes the case to the substrate and an adhesive is applied to an entirety of a bonding surface of the case and the substrate fixed by the fixing means. When the sound hole is formed through the PCB instead of the case, the mounting space for a microphone is reduced. The chamber case forms the additional back chamber under the MEMS chip and is employed to increase back chamber space to improve sensitivity and reduce noise.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile