Asm Microchemistry Ltd.

Tuomo Suntoloa

Mikko Ritala

Markku Leskel&auml;

This invention concerns a method for coating the inner surfaces of equipment with a layer of material. According to the invention, of the inner space of the equipment limited by the surfaces to be coated is at least partly closed, to said inner space pulses of at least two different reagents in gaseous phase are fed alternately and repeatedly and a layer of material is grown on the surfaces of the inner space according to ALE-technique by exposing the surfaces to the alternating surface reactions of the reagents. With the aid of the invention it is possible to coat pipes and tanks of desired size without using a separate growing equipment.

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Espoo, Finland

Tuomo Suntoloa