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Technology Stocks : Wolf speed

WOLF 22.07

-3.0%

Dec 5 9:30 AM EST

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To: Guy Gordon who wrote (1813)	2/4/2000 1:12:00 PM
From: ratan lal	Read Replies (1) of 10714

What Cree does is take carborundum and sublimate it into near-perfect crystals that are suitable for electronics. Cree grows a layer of GaN on SiC because the lattices match well. CREE's competitors use AlO3 (Saphire) substrates Guy. That is the first concise explanation Ihave seen of CREE's product. Is it difficult to duplicate the CREE process or are the other companies barred from doing the same due to CREE patents? And if it is due to CREE's patents, do you feel that other countries will honor a 'process patent' and not copy it for world market?

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