Patent ID: 6365229
Filing Date: 2002-04-02
Classification: B05D,C23C

Abstract:
A method of applying a surface treatment, said method comprising the steps of:providing a surface treatment material in a source chamber; evacuating a deposition chamber enclosing an object to be treated; heating said source chamber, said deposition chamber, said object, and an upper portion of a recovery chamber to a temperature above the melting point of said surface treatment material; heating said surface treatment material in the presence of a carrier gas to evaporate said surface treatment material; exposing said object to said carrier gas and said evaporated surface treatment material; removing said carrier gas and said evaporated surface treatment material to said recovery chamber; recovering said evaporated surface treatment material in said recovery chamber; cooling a lower portion of said source chamber; heating a lower portion of said recovery chamber to evaporate said recovered surface treatment material into said carrier gas; transferring said evaporated recovered surface treatment material and said carrier gas into a second deposition chamber; removing said carrier gas and said evaporated recovered surface treatment material to said source chamber; and condensing said evaporated recovered surface treatment material in said lower portion of said source chamber.