Arrangement for coating a substrate

摘要

The invention relates to an arrangement for coating a substrate (4) by means of a vapor distributor (3). This vapor distributor (3) is connected with a vaporizer crucible (7) via an inlet (5). At least one valve (13) is disposed between the crucible (7) and the inlet (5). The vaporizer crucible (7) is located in a chamber (12) which can be evacuated or flooded by means of a vacuum valve (11).