Silicon replenished automatically as web is withdrawn. Semiautomatic silicon-web-growing machine set down in detailed engineering drawings. Melt level sensed with He/Ne laser beam and melt-level error signal used to control motor-driven pellet feeder, speeding up when level is low. System reduces demand upon operator's time.
Silicon-Web-Growing Machine
NASA Tech Briefs ; 8 , 3
01.02.1985
Sonstige
Keine Angabe
Englisch
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