Patent ID: 6889864
Filing Date: 2005-05-10
Classification: C23C,F16L

Abstract:
1. A source chemical container assembly for source chemicals to be delivered to a reaction chamber for vapor deposition processes, comprising: a metal container, having walls defining a vacuum chamber, the container including a first part and a second part; the first part being removable to define an opening in the walls of the container, through which opening new material can be loaded into the container or used material can be removed from the container; the first part and second part each provided with a flange designed to form a metal seal when the flanges are pressed against each other with a metal gasket in between them, at least one of said flanges having a conical surface; a tension chain comprising link parts provided with thrust pieces, the thrust pieces engaging the two flanges and pressing the flanges against one another when the tension chain is tensioned; and a gas outlet leading from the vacuum chamber to the reaction chamber.