Inventor
DRAFALL LARRY E
US7 patents
Patents
7 patentsUS5976247ANov 2, 1999
Surface-treated crucibles for improved zero dislocation performance
MEMC ELECTRONIC MATERIALS130 citations95
US5980629ANov 9, 1999
Methods for improving zero dislocation yield of single crystals
MEMC ELECTRONIC MATERIALS67 citations94
US5779791AJul 14, 1998
Process for controlling thermal history of Czochralski-grown silicon
MEMC ELECTRONIC MATERIALS67 citations93
US6461427B2Oct 8, 2002
Barium doping of molten silicon for use in crystal growing process
MEMC ELECTRONIC MATERIALS18 citations90
US6319313B1Nov 20, 2001
Barium doping of molten silicon for use in crystal growing process
MEMC ELECTRONIC MATERIALS18 citations89
US6350312B1Feb 26, 2002
Strontium doping of molten silicon for use in crystal growing process
MEMC ELECTRONIC MATERIALS17 citations82
US6447601B1Sep 10, 2002
Crystal puller and method for growing monocrystalline silicon ingots
MEMC ELECTRONIC MATERIALS11 citations71