CHAMBER, PART OF LASER SYSTEM, THE CHAMBER CONTAINS A GAS MIXTURE UNDER PRESSURE. LASER ENERGY IS GENERATED WHEN ELECTRICAL ENERGY DISCHERGES THE GAS IN THE CHAMBER. A BLOWER FAN INSIDE THE CHAMBER CIRCULATESVFRESH GAS FOR EACH DISCHARGE. THE CHAMBER IS CONSTRUCTED OF SPECIALLY FABRICATED REFRACTORY MATERIALS TO EXTEND GAS LIFE. A UNIQUE PRE-IONIZATION SCHEME ALLOWS IT TO OPERATE AT SIGNIFICANTLY REDUCED VOLTAGES.

CLASSIFICATION IS DETERMINED BY GENERAL RULES 1 & 6 TOGETHER WITH THE TEXT TO CN CODES 9013, 901390 AND 90139090.