Thin film forming equipment

Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve

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Details

251187, F16K 318

Patent

active

056830726

ABSTRACT:
A gate valve for a thin film forming apparatus. The gate valve includes two adjoining low-pressure chambers and a wall separating the two chambers. The wall includes an aperture and a thin plate for covering the aperture. The thin plate is movable in a direction substantially parallel to the plate surface. The gate valve further includes a voltage supply for applying a direct current between the thin plate and the wall.

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