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Whiskers, cones and pyramids created in sputtering by ion bombardmentA thorough study of the role which foreign atoms play in cone formation during sputtering of metals revealed many experimental facts. Two types of cone formation were distinquished, deposit cones and seed cones. Twenty-six combinations of metals for seed cone formation were tested. The sputtering yield variations with composition for combinations which form seed cones were measured. It was demonstrated that whisker growth becomes a common occurrence when low melting point material is sputter deposited on a hot nonsputtered high melting point electrode.
Document ID
19790012050
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Wehner, G. K. (Minnesota Univ. Minneapolis, MN, United States)
Date Acquired
September 3, 2013
Publication Date
March 1, 1979
Subject Category
Metallic Materials
Report/Patent Number
NASA-CR-159549
Accession Number
79N20221
Funding Number(s)
CONTRACT_GRANT: NSG-3041
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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