Patent ID: 9728382
Date: 2017-08-08
CPC Classifications: C23C,H01J

Claim:
1. An evaporation source comprising: an evaporator axis; a cylindrical carrier body comprising an inner surface and an axis that is coaxial with the evaporator axis; a cylindrical base body arranged within the outer carrier body; the base body comprising an outermost surface and an axis that is coaxial with the evaporator axis; the outermost surface facing radially outwards toward the inner surface and the inner surface facing radially inward toward the outermost surface; a cooling fluid space arranged between the outermost surface of the base body and the inner surface of the carrier body; a partition wall separating the cooling space into an inflow space and an outflow space; said inflow space having an arc-shaped cross-section; and said outflow space having an arc-shaped cross-section, wherein the cooling fluid space is configured to allow fluid to move in one direction within the inflow space and in an opposite direction within the outflow space.