Patent ID: 9232302
Filing Date: 2016-01-05
CPC Classification: H04R

Claim Text:
1. A microphone assembly, comprising: a printed circuit board having a top surface, a bottom surface, and an opening passing through the bottom surface; an integrated circuit having a top surface, a bottom surface, and at least one through-silicon via that forms an acoustic port through the top and bottom surfaces of the integrated circuit; and a microphone, separate from the integrated circuit, that is mounted to a portion of the top surface of the integrated circuit so that the microphone receives sound through the acoustic port of the integrated circuit; wherein the top surface of the integrated circuit is mounted to the bottom surface of the printed circuit board so that the microphone is positioned within the opening of the printed circuit board and the integrated circuit is positioned outside of the opening of the printed circuit board, wherein the opening has at least one peripheral edge that is open and not surrounded by the printed circuit board.