75837532
Nov 1, 1999
Dec 11, 2001
[ CHEMICAL COMPOSITIONS, IN LIQUID OR GASEOUS FORM FOR CLEANING AND ETCHING A SEMICONDUCTOR SUBSTRATE ]
ChemicalsSEMICONDUCTOR WAFER PROCESSING EQUIPMENT, NAMELY, WAFER RINSER DRYERS, AUTOMATIC WAFER PROCESSING, WAFER DRYING MACHINES, WAFER CLEANING MACHINES, WAFER ETCHING MACHINES AND WAFER HEATING MACHINES
Electrical and Scientific Apparatus[ RESEARCH AND DEVELOPMENT OF NEW PRODUCTS FOR OTHERS AND TECHNICAL CONSULTING AND RESEARCH IN THE FIELD OF CHEMICAL AND MICROELECTRONICS DEVELOPMENT ]
Computer and Scientific