76475305
Dec 11, 2002
Apr 19, 2005
DOPED AND UNDOPED POLYCRYSTALLINE AND MONOCRYSTALLINE INORGANIC SEMICONDUCTOR MATERIAL IN THE FORM OF CRYSTALS, GRANULES AND POWDERS, IN SAWED, LAPPED, POLISHED, ETCHED AND COATED FORM; DOPED AND UNDOPED POLYCRYSTALLINE AND MONOCRYSTALLINE INORGANIC SEMICONDUCTOR MATERIAL IN THE FORM OF RODS, TUBES, WAFERS AND MOULDED BODIES, IN SAWED, LAPPED, POLISHED, ETCHED AND COATED FORM; SUBSTRATES COATED WITH SEMICONDUCTOR MATERIAL IN THE FORM OF WAFERS, RODS, TUBES, GRANULES, MOULDED BODIES AND POWDERS FOR USE IN THE MANUFACTURE OF SEMICONDUCTORS; HYPERPURE SILICON SOLD IN SLICES FOR USE IN THE ELECTRICAL AND ELECTRONIC INDUSTRIES; MONOCRYSTALLINE SILICON IN THE FORM OF RODS, BLOCKS, WAFERS AND POWDERS FOR USE IN THE MANUFACTURE OF SEMICONDUCTORS
Chemicals