Patent ID: 7261118
Filing Date: 2007-08-28
Classification: C23C,Y10T

Abstract:
1. A vessel for conveying a precursor-containing fluid stream from a precursor material, the vessel comprising: an interior volume wherein the interior volume is segmented into an upper volume and a lower volume wherein the upper volume and the lower volume are in fluid communication; a lid comprising a fluid inlet, a fluid outlet, an optional fill port, and an internal recess wherein at least a portion of the upper volume resides within the internal recess; a sidewall interposed between the lid and a base; and at least one protrusion that extends into the lower volume having a top surface, wherein the precursor material, when introduced, is in contact with the at least one protrusion, wherein the at least one protrusion extends from at least one selected from the sidewall, the base, and combinations thereof, and wherein there is a space between the top surface of the at least one protrusion and the lid.