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U.S. Department of Energy
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Process for forming one or more substantially pure layers in substrate material using ion implantation

Patent ·
OSTI ID:7073224
A process is disclosed for forming a substantially pure layer of an implantable element in a substrate material by (a) selecting an implantable element and a substrate material to be implanted which, at the temperatures to be used, have limited mutual solubility in one another and do not form any intermediate phases with one another; (b) implanting a sufficient amount of the implantable element in the substrate material to permit formation of the desired substantially pure layer of the implantable element in the substrate material; and (c) annealing the implanted substrate material to form the desired layer. The annealing step may not be required if the desired layer was formed during the implantation. 2 figs.
DOE Contract Number:
W-7405-ENG-48
Assignee:
Dept. of Energy, Washington, DC (United States)
Patent Number(s):
US 4976987; A
Application Number:
PPN: US 7-391904
OSTI ID:
7073224
Country of Publication:
United States
Language:
English