Patent ID: 8178790
Filing Date: 2012-05-15
Classification: H01L

Abstract:
1. An interposer comprising: a substrate; a conductor portion formed inside the substrate, the conductor portion having a first thickness; at least one insulating layer formed on the substrate and on the conductor portion; a signal wiring portion formed inside the at least one insulating layer or on the at least one insulating layer and providing a linear current path that extends parallel to a surface of the at least one insulating layer, wherein the signal wiring portion having a second thickness which is less than the first thickness; a first pad that is configured to receive an electronic part, and that is formed on an outermost insulating layer of the at least one insulating layer; and a connection conductor formed in the at least one insulating layer and providing a linear current path that extends directly from the conductor portion through the at least one insulating layer and to the first pad.