73560651
Sep 30, 1985
Jun 3, 1986
WEAR RESISTANT, CHEMICALLY RESISTANT, AND HEAT RESISTANT COATED GRAPHITE SUBSTRATES; NAMELY, ELECTRICALLY HEATED HIGH PURITY, PRECISION MACHINED GRAPHITE SUSCEPTORS COMPRISING SEMI-CONDUCTOR WAFER HOLDERS WITH HIGH INTEGRITY, SILICON CARBIDE COATINGS
Electrical and Scientific Apparatus