Patent ID: 9090453
Filing Date: 2015-07-28
Classification: B81B,B81C,H01L,H04R

Abstract:
1. A sensor module comprising: a carrier; a semiconductor chip comprising a first recess and a second recess in a main surface of the semiconductor chip and a membrane defined by the first recess; and a capacitor comprising the membrane and an electrode opposite to the membrane, wherein the first recess forms a first cavity with the carrier and the second recess forms a second cavity with the carrier, wherein a portion of the main surface of the semiconductor chip extends between the first recess and the second recess; and wherein the first cavity is in fluid connection with the second cavity via a recess formed in the carrier, an opening to the recess formed in the carrier extending across the first recess, the second recess, and the portion of the main surface of the semiconductor chip extending between the first recess and the second recess.