Patent ID: 11881376
Assignee: ENTEGRIS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C | IPC H

Claim 7:
8. The method of claim 7 wherein:
during generating the aluminum ions, non-aluminum ions are also generated, the non-aluminum ions comprising tungsten ion (W+) or molybdenum (Mo+), tungsten or molybdenum fluoride ion (WFx+, MoFx+) (x=1, 2, 3, 4, or 5), or both, and the hydrogen-containing gas reduces an amount of the tungsten ion (W+) or molybdenum (Mo+), tungsten or molybdenum fluoride ion (WFx+, MoFx+), or both, that are generated.