Patent ID: 8623689
Filing Date: 2014-01-07
Classification: H01L

Abstract:
1. A method of processing a wafer, the method comprising: providing a wafer including a first surface and a second surface opposite to the first surface, wherein the first surface has a plurality of pads disposed thereon; forming a plurality of blind vias within a first carrier, wherein the first carrier includes a front surface and a rear surface opposite to the front surface, and wherein the plurality of blind vias form a plurality of openings on the front surface; adhering the front surface of the first carrier to the first surface of the wafer such that the plurality of blind vias face to the plurality of pads correspondingly and such that the plurality of pads are exposed in the plurality of blind vias, wherein said adhering the front surface of the first carrier to the first surface of the wafer comprises exposing at least one of the plurality of pads to an unfilled blind via; and thinning the first carrier to expose the plurality of blind vias and the plurality of pads such that the plurality of blind vias pass through the first carrier.