| http://www.w3.org/ns/prov#value | - Heating elements 290 are heated to approximately 2200??? C., thus heating crucible 220 to approximately 1950??? C. Forming gas is flowed through furnace 200 at a high rate, e.g., approximately 0.25 liters per minute (lpm) in order to purge residual moisture and to reduce any W-containing components therein (which may have oxidized due to exposure to air or other sources of contamination).
|
