Patent ID: 11915911
Assignee: APPLIED MATERIALS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A plasma source, comprising:
a plasma generation region;
an RF power supply coupled with the plasma generation region; and
a two piece electrode assembly that bounds the plasma generation region on one side, the two piece electrode assembly comprising:
a first electrode defining a plurality of first apertures,
a second electrode defining a plurality of second apertures, wherein:
the second electrode is disposed beneath the first electrode,
the second electrode defines a plurality of apertures that are configured to permit at least one of plasma, free electrons, or ionic species to pass into a processing region that is configured to receive a substrate for processing; and
the second electrode forms at least one component selected from the group consisting of a faceplate, a showerhead, an ion suppressor, and a plasma blocking screen, and

one or more adjustable couplers coupled with the first electrode.