Patent ID: 6293997
Filing Date: 2001-09-25
Classification: B01D,B01J,C01B

Abstract:
A method for delivering at least two working gases from a common air supply, in an electronic component plant comprising the steps of:depleting the air in O.sub.2 in order to obtain a first gas mixture having an O.sub.2 content less than or equal to t1;delivering at least a portion of this first gas mixture as a first working gas to a chamber for storing electronic components in a controlled first atmosphere;depleting another portion of this first gas mixture in O.sub.2 in order to obtain a second gas mixture having an O.sub.2 content less than or equal to t2, wherein t1 is greater than t2; anddelivering the second gas mixture as a second working gas to at least one machine for assembling the components in a controlled second atmosphere.