73675313
Jul 30, 1987
Mar 15, 1988
ALUMINUM NITRIDE CERAMIC MATERIAL FOR USE IN HYBRID CIRCUIT SUBSTRATES, RESISTOR COMPONENTS, MICROWAVE TUBE COMPONENTS, SEMICONDUCTOR PACKAGES AND PACKAGE COMPONENTS, LASER COMPONENTS, CRUCIBLES, CUSTOM-ENGINEERED ALUMINUM NITRIDE PARTS AND CUSTOM-ENGINEERED ALUMINUM NITRIDE METALLIZED PARTS
Chemicals