MOLYBDENUM DISC IS USED AS A SUBSTRATE TO SUPPORT SEMICONDUCTOR WAFERS WITH A CERAMIC HOUSING. THE DISCS ALSO PROVIDE ELECTRICAL CONTACT AND TO ASSIST THE HEAT DISSIPATION. THESE DISCS ARE RECOGNIZED EXCLUSIVELY AS ASSEMBILIES FOR THE MANUFACTURING OF POWER SEMICONDUCTORS SUCH AS DIODES, THYRSITORS ETC.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8541 - DIODES, TRANSISTORS AND SIMILAR SEMICONDUCTOR DEVICES; PHOTOSENSITIVE SEMICONDUCTOR DEVICES, INCLUDING PHOTOVOLTAIC CELLS WHETHER OR NOT ASSEMBLED IN MODULES OR MADE UP INTO PANELS; LIGHT-EMITTING DIODES; MOUNTED PIEZOELECTRIC CRYSTALS GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 854190 - PARTS