METHOD FOR PREPARING A GAS FOR LASER AND PROCESS OF OPERATION WITH CO-LASER 2 LASER

摘要

PCT No. PCT/FR89/00486 Sec. 371 Date Apr. 13, 1990 Sec. 102(e) Date Apr. 13, 1990 PCT Filed Sep. 25, 1989 PCT Pub. No. WO90/03676 PCT Pub. Date Apr. 5, 1990.These gases, specially adapted to the need of CO2 lasers, have a total purity less than 99.995%, a water content lower than 5 vpm and a total hydrocarbon content lower than 5 vpm.