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Measurement of the Electron Density and the Attachment Rate Coefficient in Silane/helium Discharges
Charles Byrns Fleddermann
出版
University of Illinois at Urbana-Champaign
, 1985
URL
http://books.google.com.hk/books?id=DUmaCSAlkqUC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Discharge processing of semiconductor materials, either as an etch process step in microelectronic fabrication, or as a deposition scheme for solar cell or copier applications, has become indispensable in modern technology. This report is focussed on discharges used for such applications. The thesis by Fleddermann was a basic study of the attachment rate of electrons in discharges involving mixtures of silane and a rare gas as represented by helium. It was found that the primary attaching species was not the silane modecule but some daughter product created by the discharge. These results are indicative of the problems encountered in an attempt to model discharges in such gases: the rates for the radicals may be larger than that of the donor gases.