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Machining of Silicon-Ribbon-Forming DiesCarbon extension for dies used in forming silicon ribbon crystals machined precisely with help of special tool. Die extension has edges beveled toward narrow flats at top, with slot precisely oriented and centered between flats and bevels. Cutting tool assembled from standard angle cutter and circular saw or saws. Angle cutters cuts bevels while slot saw cuts slot between them. In alternative version, custom-ground edges or additional circular saws also cut flats simultaneously.
Document ID
19840000173
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Menna, A. A.
(Mobil Tyco Solar Energy Corp.)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 3
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
NPO-15127
Accession Number
84B10173
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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