Patent ID: 7808060

Claim:
A MEMS microphone module, comprising: an application specific IC having a first surface, a second surface, a plurality of first pads, and a plurality of first vias, wherein the first pads are formed on the first surface of the application specific IC and the first vias are connected to the first pads; and a microphone chip having an active surface, a back surface, a resonant cavity having an opening, a plurality of second vias, a vibrating film, a plurality of second pads, and a cover disposed directly on the active surface of the microphone chip, wherein the cover comprises at least one sound hole, wherein the vibrating film and the second pads are formed on the active surface of the microphone chip, the resonant cavity is formed on the back surface of the microphone chip, the second vias are connected to the second pads, the microphone chip is disposed on the first surface of the application specific IC with the opening of the resonant cavity facing toward the application specific IC, and the second vias of the microphone chip are electrically connected to the first vias of the application specific IC.