Patent ID: 9126823
Filing Date: 2015-09-08
Classification: B81B,H01L,H04R

Abstract:
1. A microphone comprising: a base substrate comprising a main surface; an acoustic sensor mounted on the main surface; and a circuit element stacked on the acoustic sensor, wherein a hollow space is formed between the acoustic sensor and the circuit element, wherein the acoustic sensor comprises: wherein a through-hole is formed in the base substrate while piercing the base substrate in a thickness direction, wherein a communication hole is formed in the sensor substrate while piercing the sensor substrate from the first surface to the second surface, wherein the communication hole causes the through-hole and the hollow space to communicate with each other, wherein the microphone further comprises a sealing member that seals the hollow space, and wherein the sealing member is disposed so as to surround the hollow space between the sensor substrate and the circuit element.