Patent ID: 9332332
Filing Date: 2016-05-03
CPC Classification: H04R

Claim Text:
1. A packaged microphone comprising: a molded cover including an inner cover surface; a molded frame secured to the cover to form a lid structure, the frame having a frame surface with a concavity; a microphone die secured within the concavity of the frame; a substrate including an inner substrate surface and coupled with the lid structure and being electrically connected with the microphone die, the substrate and lid structure forming a package having an interior volume containing the microphone die within the concavity; at least one of a bump and ball electrically connecting the substrate with the microphone die; an aperture through the package; and a seal proximate to the microphone die, the seal acoustically sealing the microphone and the aperture to form a front volume and a back volume within the interior volume, wherein the inner cover surface is generally parallel with the inner substrate surface, the frame surface being between the inner cover surface and the inner substrate surface, the frame surface and inner cover surface forming at least a portion of the back volume.