Closely-spaced crucible cover speeds up solidification. Growth rate of dendritic-web silicon ribbon from molten silicon increased by controlling distance between crucible susceptor lid and liquid/solid interface. Lid held in relatively high position when crucible newly filled with chunks of polycrystalline silicon. As silicon melts and forms pool of liquid at lower level, lid gradually lowered.
Adjustable Lid Aids Silicon-Ribbon Growth
NASA Tech Briefs ; 9 , 2
01.10.1985
Sonstige
Keine Angabe
Englisch
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