Available Technology

Crystal Furnace

A melt recharging" technique which eliminates the cooldown and heating periods in a crystal "growing" crucible resulted from a Jet Propulsion Laboratory (JPL)/Kayex Corporation program. Previously the cost of growing the silicon solar cells had been very high. The Kayex/JPL system improved productivity by serially growing crystals from the same crucible using a melt recharger which made it possible to add raw silicon to an operating crucible. An isolation value developed by Kayex allowed the hopper to be lowered into the crucible without disturbing the inert gas atmosphere. The resulting product a CG6000 crystal growing furnace has become the company's major product."
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