Patent ID: 9253579
Filing Date: 2016-02-02
CPC Classification: B81B,B81C,H01L,H04R

Claim Text:
1. A packaged device, comprising: a first support structure that includes: a second support structure stacked on the first support structure, the second support structure including: a first die on the first support layer in the first chamber, the first die including a third chamber and a diaphragm having first and second sides, the first side of the diaphragm facing the third chamber and the second side of the diaphragm facing the first chamber; a first port through the first support layer and coupling the third chamber in fluid communication with an environment external to the packaged device; a second die on the second support layer in the second chamber; and a second port through the second support layer, the second port coupling the first chamber and second chamber in fluid communication, at least a portion of the first die being located directly below the second port.