| Specific Gas |
Impurity Removal Efficiency |
| Inert Gases: Nitrogen, Argon, Helium, Xenon, Krypton, Neon |
< 1 ppb H2O, CO2, O2, and CO as tested in argon and nitrogen using APIMS analyzer |
| Flammable Gases: Silane, Hydrogen, Methane, Ethane, Cyclopropane, Propane, Dimethyl Ether |
< 1 ppb H2O, CO2, O2, and CO as tested in argon, nitrogen and hydrogen using APIMS analyzer
< 1 ppb H2O as tested in carbon monoxide using trace moisture analyzer
H2O
and siloxanes removed to trace levels as tested in silane using APIMS |
| Carbon Monoxide |
< 1 ppb Ni(CO)4, and < 1 ppb Fe(CO)5 as tested in carbon monoxide using GC-ECD analyzer |
| Fluoromethane, Difluoromethane, Trifluoromethane, Tetrafluoroethane, Pentafluoroethane, Heptafluoropropane, Carbon Tetrafluoride, Perfluoropropane, Perfluorocyclobutane, Hexafluoroethane |
< 1 ppb H2O, CO2, O2, and CO as tested in argon and nitrogen using APIMS analyzer
< 1 ppb O2 as tested in trifluoromethane using trace oxygen analyzer
< 10 ppb H2O
as tested in trifluoromethane using trace moisture analyzer and FTIR |
| Germane |
< 1 ppb H2O, CO2, O2, and CO as tested in argon and nitrogen using APIMS analyzer |
| Sulfur Hexafluoride |
< 1 ppb H2O, CO2, and O2 as tested in argon using APIMS |
| Oxygenated Gases: Carbon Dioxide, Oxygen, Nitrous Oxide, Clean Dry Air |
< 10 ppb H2O
< 1 ppb H2O, and CO2, as tested in argon using APIMS analyzer |
| Chlorinated Gases: Boron Trichloride, Chlorine, Trichlorosilane, Dichlorosilane |
< 100 ppb H2O
< 1 ppb H2O, and CO2, as tested in argon using APIMS analyzer |
| Hydrogen chloride |
< 15 ppb H2O as tested in hydrogen chloride using CRDS
< 1 ppb H2O as tested in argon using APIMS analyzer |
| Hydrogen Bromide |
< 50 ppb H2O as tested in hydrogen bromide using CRDS < 1 ppb H2O as tested in argon using APIMS analyzer |
| Photolithography clean dry air |
< 1 ppb H2O as tested in argon using APIMS analyzer < 300 ppt C4H8 as tested in argon using APIMS Analyzer < 10 ppt SO2 as tested in nitrogen using ion chromatograph < 15 ppt
NH3 as tested in nitrogen using ion chromatograph < 1 ppt HMDSO as tested in argon using APIMS analyzer and baseline subtraction |