For years now vacuum evaporation techniques by means of electrical resistance heating are used for production of very different types of coatings:

• optical coatings (glasses, cameras, binoculars,....)
• decorative and wear-resisitive coatings (fashion jewels, toys, christmas decoration, lamps, ..)
• reflective coatings (automotive lamps, reflectors, ....)
• electrically conducting coatings (handy housings, ...)
• general functional coatings (television screens, quartz oscillators, ...)

The materials for vapour deposition sources have to be electrically conducting for the purpose of electrical resistance heating. They should also have the lowest possible vapour pressures at high temperatures and the maximum possible melting points since the most substances are vapour deposited in the molten state.

Refractory metals from PLANSEE like W, Ta or Mo meet these requirements ideally and are therefore widely used as evaporation sources.

PLANSEE supplies:

• Evaporation boats
• Evaporation coils

Evaporation Boats made of various materials which cover a wide range of applications. more