Patent ID: 6841861

Claim:
A microelectromechanical package comprising: a first substrate having at least one functional element and at least two metal leads thereon, at least one of the two metal leads being connected to the functional element; a second substrate having a silicon portion, a silicon oxide portion, at least one recessed cavity in the silicon portion, and at least two metal connectors in the recessed cavity; a first bond between a non-recessed surface of the silicon portion of the second substrate and the first substrate wherein the at least one recessed cavity is hermetically sealed thereby, and wherein the functional element and connected metal lead of the first substrate are enclosed within the at least one recessed cavity of the second substrate and hermetically sealed therein; a second bond between each of the at least two metal connectors of the second substrate and a respective one of the at least two metal leads of the first substrate; and a metal pad connected to each metal connector of the second substrate through the silicon oxide portion and silicon portion.