Patent ID: 11939675
Assignee: APPLIED MATERIALS, INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C

Claim 12:
13. An apparatus for depositing a film on a substrate, comprising:
a chamber body and a chamber lid defining a process volume therein;
a substrate support disposed in the process volume;
a blocker plate disposed in the process volume opposite the substrate support, the blocker plate having a plurality of holes formed therethrough; and
a face plate having a plurality of holes formed therethrough, the face plate disposed in the process volume between the blocker plate and the substrate support, the face plate at least partially defining a volume between the face plate and the blocker plate, the face plate having a first surface region with a first emissivity and a second surface region with a second emissivity surrounding the first surface region, the first surface region recessed relative to the second surface region and the second emissivity different than the first emissivity.