Patent ID: 6032704
Filing Date: 2000-03-07
Classification: H01L,Y10S

Abstract:
A wafer storage container comprising:a container body consisting of a front wall, a back wall, a left-side wall, a right-side wall and a top wall defining a cavity adapted for receiving a wafer cassette therein,said cavity being further defined by a bottom wall of a wafer cassette when said cassette is installed in aid container, anda gas supply means in fluid communication with the cavity of said container for supplying a flow of inert gas into said cavity such that a pressure in said cavity being higher than a pressure in a surrounding environment, said gas supply means further comprising a gas supply pipe in fluid communication with the hollow interior of a handle at one end and with a gas supply source at the other end,a one-way gas flow valve at one end of said gas supply pipe in said handle,a gas flow meter in said gas supply pipe, anda flow controller for adjusting a gas flow rate through said one-way gas flow valve.