Patent ID: 7528481
Filing Date: 2009-05-05
Classification: B81B,B81C,H01L

Abstract:
1. A wafer level packaging cap for covering a device wafer provided with a device thereon, the wafer level packaging cap, comprising: a cap substrate formed with a predetermined cavity for housing the device on a lower surface, the cap having a first passing hole penetrating between an upper surface of the cap and the predetermined cavity, and the cap being adapted to be joined with the device wafer; an insulating layer formed on the upper surface of the cap substrate and having a second passing hole corresponding to the first passing hole; a cap pad formed on an upper surface of the insulating layer; and metal lines formed on a lower surface of the cap substrate adapted to correspond to a plurality of device pads which are electrically connected to the device; wherein the metal lines and the cap pad are electrically connected to each other at the first and second passing holes.