Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1996-03-18
1998-06-23
Dutton, Brian
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
438592, H01L 218234, H01L 213205, H01L 214763
Patent
active
057704945
ABSTRACT:
Using a lamination of a tungsten silicide layer and a non-doped polysilicon layer as a mask, a dopant impurity is ion implanted into a semiconductor substrate so as to form impurity regions and dope the tungsten silicide layer with the dopant impurity, and the dopant impurity is diffused from the tungsten silicide layer into the non-doped polysilicon layer during the activation of the dopant impurity introduced into the substrate, thereby making the process simple.
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Takeuchi Kiyoshi
Yamamoto Toyoji
Dutton Brian
NEC Corporation
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