Patent ID: 6750521
Filing Date: 2004-06-15
Classification: B81B,H01L

Abstract:
A semiconductor device comprising:a device chip with a micromachine and at least one electrically-conductive runner to the micromachine; a capping chip enclosing the micromachine on the device chip, the capping chip having a first surface facing the device chip, an oppositely-disposed second surface, and at least one electrical interconnect comprising a conductive via that extends through the capping chip from the first surface to the second surface, tile electrical interconnect electrically communicating with the runner on the device chip; solder that has been reflowed to electrically connect the conductive via of the capping chip with the runner of the device chip; a bond pad on the capping chip and electrically communicating with the electrical interconnect through the capping chip; and solder on the bond pad of tile capping chip, the solder bonding the semiconductor device to a circuit board so that the capping chip is between the device chip and the circuit board.