SILICON; PURE NON-METALLIC CRYSTALLINE SILICON SOLD IN INGOTS, BLOCKS, AND SLICES FOR USE IN SCIENCE AND INDUSTRY

Scientific apparatus and instruments, namely, furnaces for laboratory experiments in the nature of crystal growing; laboratory equipment, namely, casting dishes for processing and growing crystalline materials and laboratory tongs for removing crystals from casting dishes for processing and growing crystalline materials; lockable petri dishes used in laboratory research in the nature of processing and growing crystalline materials using the directional solidification, Bridgeman, Stockbarger, Czochralski, zone refining, skull melting and cold-crucible melting techniques; electric laser measuring systems for use in electric cutting, grinding, cleaning and polishing of ingots, blocks and wafers of silicon; electric laser devices for projecting a visible line on ingots, blocks, and wafers of silicon to be cut by a rotary power saw; silicon photovoltaic cells and modules; laboratory apparatus and instruments for the exchange of substances and heat for use in chemical vapor deposition and the crystallization and purification of silicon; furnaces for laboratory scientific research and development experiments; electric control panels for use with all the foregoing; laboratory equipment, namely, crucibles; optical fiber cables; silicon wafers; but not including batteries

Furnaces for industrial use; furnace control apparatus sold as a component part of furnaces for industrial use; and replacement parts and fittings therefor