Patent ID: 6475291
Filing Date: 2002-11-05
Classification: G01N,Y10S

Abstract:
A method for forming a liquid film over a substrate by application of a mist comprising:(a) providing a substrate; (b) providing an apparatus having; (i) a rotatable table for supporting said substrate; (ii) means for cooling said substrate; (iii) a cylindrical dome assembly positioned over said table; (iv) means for raising and lowering said dome assembly; (v) means for introducing a heated mist flow into said dome assembly; (vi) means for heating said mist flow; (vii) means for recovery and disposition of exhaust gases; (c) mounting said substrate on said table; (d) lowering said dome assembly over said substrate; (e) rotating said table; (f) cooling said substrate; (g) introducing a mist flow into said dome assembly; (h) maintaining said mist flow for a time period thereby forming said liquid film; and (i) halting said mist flow.