Patent ID: 8177912
Filing Date: 2012-05-15
Classification: C23C

Abstract:
1. An evaporation source comprising: a vaporizing chamber in which an evaporation material is housed and a vapor of the evaporation material is produced by vaporization or sublimation of the evaporation material by heating and a cabinet part that communicates with the vaporizing chamber and discharges the vapor produced in the vaporizing chamber like a band through a long nozzle opening; a control plate arranged in the cabinet part, said control plate having passage holes formed in such a way that a discharge flow rate Q (Kg/m a plurality of partition plates arranged between the control plate and the long nozzle opening in a vertical direction so that the plurality of partition plates partition the long nozzle opening into a plurality of smaller nozzle openings in the longitudinal direction such that the vapor passing through each of the passage holes provided in the control plate is straightened in the vertical direction inside each of the smaller nozzle openings; and wherein the discharge flow rate Q (Kg/m