… solely or principally for the manufacture of semiconductor boules or wafers, semiconductor devices, electronic …
Explanatory notes
… layers on a heated monocrystalline substrate in an ultrahigh vacuum using beams of molecules. The process is … or reticle and exposing the photoresist to light (generally ultraviolet ) or, in some instances, X-rays : (a) Contact … to the contact points of monolithic integrated circuits by ultrasonic or electrical compression welding. (d) Wafer …