Patent ID: 7396478
Filing Date: 2008-07-08
Classification: B81B,G01C

Abstract:
1. A method of fabricating a device package, comprising: (a) metal patterning of at least one seal ring on a base plate; (b) etching of via holes in a capping plate; (c) metal patterning of at least one seal ring on a bottom surface of the capping plate; (d) aligning of the base plate and capping plate; (e) bonding of the base plate and capping plate; (f) electro-less plating of a thin metal layer on a top surface of the capping plate, including inside the via holes; (g) electroplating of a thicker metal layer on top of the thin metal layer; and (h) masking and etching of electrical trace patterns on the top surface of the capping plate.