Patent ID: 9148731
Filing Date: 2015-09-29
Classification: B81B,B81C,H01L,H04R,Y10T

Abstract:
1. A solder reflow surface mount micro-electro-mechanical system (MEMS) microphone, the microphone comprising: a rectangular substrate comprising: a MEMS microphone die mounted to the top surface of the substrate and electrically coupled to at least one of the first plurality of metal pads on the top surface of the substrate; and a single-piece rectangular cover formed from a solid material and that has a top portion and a sidewall portion, the sidewall portion supporting the top portion and adjoining the top portion at a substantially perpendicular angle and having a predetermined height, an exterior surface, an interior surface, an attachment surface, and an acoustic port disposed in the top portion of the rectangular cover and passing completely through the rectangular cover, wherein the acoustic port is disposed in a position offset from a centerpoint of the rectangular cover,