Interconnection structure and manufacturing method thereof, and manufacturing method of semiconductor device
A manufacturing method and interconnection structure technology, which is applied in semiconductor/solid-state device manufacturing, electrical components, circuits, etc., can solve problems such as voids in the middle area, and achieve the effect of full filling of wiring materials and elimination of void defects
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[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0038] As described in the background art, in the process of fabricating the interconnect structure in the prior art, it is first necessary to fabricate a stack of barrier layers and seed layers in the trenches, and then fabricate interconnect lines in the grooves formed by the stack. Since the width of the trench is small, when the interconnection is fabricated, it often occurs that when the interconnection material is filled in the g...
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