Patent ID: 11915915
Assignee: APPLIED MATERIALS, INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 19:
20. An apparatus for influencing ion trajectories onto a substrate, comprising:
a radiant energy reflector assembly configured to completely surround a periphery of a substrate support in a physical vapor deposition (PVD) chamber, wherein the radiant energy reflector assembly is configured to be positioned internally to the PVD chamber to direct radiant energy towards a bottom surface of the substrate, wherein the radiant energy reflector assembly includes cooling channels that are configured to cool the radiant energy reflector assembly, and wherein the cooling channels are separated from one or more of a plurality of discrete permanent magnets;
the one or more of the plurality of discrete permanent magnets each inserted into respective one or more insertion holes in the radiant energy reflector assembly in a vertical pole orientation and spaced symmetrically around the radiant energy reflector assembly in the one or more insertion holes, wherein the one or more of the plurality of discrete permanent magnets have a diameter of approximately 0.5 inches to approximately 0.75 inches and a height of approximately 2.0 inches to approximately 3.0 inches, and wherein the one or more of the plurality of discrete permanent magnets have a maximum energy product of at least 45 MGOe;
an annular recess formed in the radiant energy reflector assembly above and outer of the one or more insertion holes; and
an annular overhang formed above the annular recess of the radiant energy reflector assembly and above a portion of each of the one or more insertion holes, wherein the annular overhang is configured to retain the one or more of the plurality of discrete permanent magnets at a top by limiting upward movement of the one or more of the plurality of discrete permanent magnets.