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Silicon-Web-Growing MachineSilicon replenished automatically as web is withdrawn.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.
Document ID
19840000193
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Duncan, C. (Westinghouse Electric Corp.)
Date Acquired
August 12, 2013
Publication Date
February 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 3
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
NPO-15870
Report Number: NPO-15870
ISSN: 0145-319X
Accession Number
84B10193
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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