Patent ID: 9607954
Date: 2017-03-28
CPC Classifications: G11C,H01L

Claim:
1. A method of manufacturing a semiconductor device, comprising: defining an element formation region and a scribe region in a semiconductor substrate; forming a semiconductor element in the element formation region; forming a plurality of wiring layers above the semiconductor element; forming, with one of uppermost wiring layers of the wiring layers as a first pad electrode, a first insulating film so as to cover the first pad electrode therewith; forming, in the first insulating film, a first opening portion from which the first pad electrode is exposed; forming a rewiring over the first insulating film so as to couple the rewiring to the first pad electrode via the first opening portion; forming a second insulating film that covers the rewiring and has a second opening portion communicated with the rewiring; forming a barrier film over at least a portion of the surface of the rewiring at which the second opening portion is present; after formation of the barrier film, testing the semiconductor element while heat treating; and coupling, to the barrier film, a coupling member for electrical coupling to the outside, wherein the forming of the barrier film further comprises: wherein the forming of the plurality of wiring layers comprises forming a second pad electrode in the scribe region, and wherein the forming of the barrier film comprises forming the barrier film on the second pad electrode.