WIRING SUBSTRATE, MANUFACTURING METHOD THEREOF, AND SEMICONDUCTOR DEVICE

摘要

There is provided a wiring substrate for connecting a mounting board on one surface thereof and mounting an integrated circuit chip on the opposite surface to the surface. The wiring substrate has a conductive connecting portion penetrating the substrate for connecting to at least a portion of a wiring layer of the integrated circuit chip, with the portion of a wiring layer formed on the substrate, and an insulating portion formed at a lateral side of the connecting portion for surrounding the connecting portion via a portion of the wiring substrate.