Patent ID: 8842859
Filing Date: 2014-09-23
Classification: B81B,B81C,H01L,Y10T

Abstract:
1. A packaged microphone comprising: a base having a top face; a lid coupled to the base and forming an interior; a MEMS microphone secured to the top face of the base within the interior; a circuit chip secured to the top face of the base within the interior, the circuit chip having a top surface with a top pad, a bottom surface with a bottom pad, and a via, the bottom pad being electrically connected to the base, the via electrically connecting the top pad with the bottom pad; and a wire bond connected between the MEMS microphone and the top pad on the circuit chip, the MEMS microphone being electrically connected to the bottom pad and the base through the via, wherein circuitry is positioned on the top surface of the circuit chip.