Processing of semiconductor wafers; custom manufacture of semiconductor wafers; providing information relating to manufacturing, processing and assembling of semiconductor wafers; metal treating; rental of semiconductor manufacturing machines; rental of equipment for grinding semiconductor wafer surfaces.

Semi-conductor wafers; semi-conductor substrates, namely, the supporting material upon which or within which the elements of a semiconductor device are fabricated or attached; compound semi-conductor substrates, namely, the supporting material upon which or within which the elements of a semiconductor device are fabricated or attached