Coating processes – Particles – flakes – or granules coated or encapsulated – Solid encapsulation process utilizing an emulsion or...
Patent
1995-06-07
1998-08-25
Beck, Shrive
Coating processes
Particles, flakes, or granules coated or encapsulated
Solid encapsulation process utilizing an emulsion or...
4272481, 4272551, 4272555, 427307, 216 37, 216 79, 423349, C23C 1624
Patent
active
057981370
ABSTRACT:
Silicon beads are produced by chemical vapor deposition (CVD) on seed particles generated internal to a CVD reactor. The reactor has multiple zones, including an inlet zone where beads are maintained in a submerged spouted bed and an upper zone where beads are maintained in a bubbling fluidized bed. A tapered portion of the upper zone segregates beads by size. Systems for inspecting, sorting and transporting product beads are also disclosed.
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Lord Stephen M.
Milligan Robert J.
Advanced Silicon Materials Inc.
Beck Shrive
Meeks Timothy
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