Patent ID: 9184113
Filing Date: 2015-11-10
Classification: H01L

Abstract:
1. A coaxial feedthrough in a wafer or wafer size substrate comprising: a wafer or wafer size substrate having at least one through hole therein extending from a first surface to a second surface of the wafer or wafer size substrate; a layer of a first insulative material lining the at least one through hole, the layer of first insulative material also extending over at least a part of the first surface; a first metal conductor layer in the at least one through hole on an inner surface of the first insulative layer, the first metal conductor layer also extending over at least a part to the first insulative material extending over at least a part of the first surface; a layer of a second insulative material in the at least one through hole on an inner surface of the first metal conductor layer; a second metal conductor layer in the at least one through hole on an inner surface of the second insulative layer; the second metal conductor layer at least partially filling an opening in the layer of second insulative material.