Patent ID: 9139421
Filing Date: 2015-09-22
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 within the interior region 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 having a predetermined shape that comprises a top portion and a substantially vertical and continuous sidewall portion that adjoins the top portion at an angle and that completely surrounds and supports the top portion, the sidewall portion having a predetermined height, an exterior sidewall surface, an interior sidewall surface, and an attachment surface, wherein the single-piece rectangular cover further comprises 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 top portion of the rectangular cover,