Patent ID: 6189579
Filing Date: 2001-02-20
Classification: H01J

Abstract:
A method for filling gas into a cell comprising the steps of:providing a furnace, to enclose the cell and at least one pipe which passes through a wall of the furnace and connects to the cell, a portion of at least one of the at least one pipe having getters contained therein, the getter-containing pipe portion being connected to the cell through a connecting pipe portion;exhausting an interior of the heated cell through one of said at least one pipe, at least a portion of the exhaust pipe being contained within the furnace and heated by the furnace during said exhausting;introducing gas into said cell through one of said at least one pipe, the introduction pipe comprising said getter-containing portion, the getter-containing pipe portion and the connecting pipe portion being contained entirely within and heated by the furnace, the getters being activated by said heating and removing impurities from the gas being introduced into the cell; andcutting said pipe in the vicinity of said cell and sealing said cell after introducing gas.