POLYCRYSTAL OR SINGLE CRYSTAL SILICON IN THE FORM OF WAFERS, CHIPS OR INTEGRATED CIRCUITS FOR SEMICONDUCTOR USE; SILICON EPITAXIAL WAFERS, CHIPS OR INTEGRATED CIRCUITS FOR SEMICONDUCTOR USE; POLYCRYSTAL OR SINGLE CRYSTAL GROUP III-V COMPOUND IN THE FORM OF WAFERS, CHIPS OR INTEGRATED CIRCUITS FOR SEMICONDUCTOR USE; EPITAXIAL WAFERS, CHIPS OR INTEGRATED CIRCUITS OF GROUP III-V COMPOUND FOR SEMICONDUCTOR USE; GROUP IV MATERIALS OR ALLOYS IN THE FORM OF EPITAXIAL WAFERS, CHIPS OR INTEGRATED CIRC...