Patent ID: 8750550

Claim:
A micro electro mechanical system (MEMS) microphone comprising: a case having sidewalls, a top wall, and an opened bottom; a printed circuit board (PCB) attached to the bottom of the case; a MEMS chip, which is arranged on the PCB and includes an inner-MEMS space; and at least one sound hole formed through a surface of the case for introduction of external sounds, wherein an internal communicating unit which forms a sound path via which the sound hole and the inside-MEMS space communicate with each other is arranged inside the case such that external sounds introduced via the sound hole pass through the sound path and enter the inner-MEMS space, wherein the internal communicating unit comprises: a first communicating member attached to the sound hole and having a first sound path in communication with the sound hole; and a second communicating member which is attached to an upper surface of the PCB, the second communicating member having a second sound path extending over the PCB so as to be in communication with the first sound path.