Patent ID: 7402878

Claim:
A package, comprising: a ceramic package substrate that comprises a plurality of ceramic layers forming a cavity having a supporting surface on which a microelectromechanical device formed on a second substrate that is bonded to the ceramic package substrate; a package lid that has at least a portion that is transmissive to visible light; a first metallization layer comprising a first metallization material on a surface of the ceramic package substrate, the first metallization layer being electrically isolated from circuitry within the ceramic package substrate; a second metallization layer comprising a second metallization material on a surface of the package lid; a solder bonding the ceramic package substrate to the package lid; and an embedded heater laminated between first and second ceramic layers of the ceramic package substrate, wherein the heater extends within the ceramic package substrate with two ends of the heater electrically connected to at least two electrical connection pads outside the ceramic package substrate.