Patent ID: 8796790
Filing Date: 2014-08-05
Classification: B81B,B81C,H04R

Abstract:
1. A microphone device comprising: a substrate having a surface region; a CMOS integrated circuit device layer overlying the surface region of the substrate; a diaphragm device having a plurality of surface regions overlying the CMOS integrated circuit device layer, wherein the plurality of surface regions comprises at least one surface region disposed within a center region of the diaphragm and two or more surface regions disposed radially around the center region of the diaphragm, the plurality of surface regions being coupled to the CMOS integrated circuit device layer; and at least one or more spring devices spatially disposed within a vicinity of the plurality of surface regions of the diaphragm device, each of the spring devices being operably coupled to at least one of the plurality of surface regions of the diaphragm device.