Patent ID: 7835532

Claim:
A microphone array comprising a plurality of microphone constituting bodies integrated in an array state being formed by: using a housing forming member having plural hole portions for forming air chambers respectively, a circuit board forming member for which plural impedance transformation circuits corresponding to the respective air chambers are provided, a spacer forming member for forming plural spacers corresponding to the respective air chambers, a diaphragm sheet for forming plural diaphragms corresponding to the respective spacers, and a diaphragm plate forming member for forming plural diaphragm plates corresponding to the respective diaphragms; laminating the circuit board forming member, the housing forming member, the spacer forming member, the diaphragm sheet, and the diaphragm plate forming member; arranging one back plate for each air chamber formed by the lamination; bonding the respective laminated members integrally and forming a laminate which includes plural condenser microphone constituting bodies; and thereafter cutting the laminate so that the plural condenser microphone constituting bodies are integrated in array.