Fish & Richardson P.C.
Physical vapor deposition with heat diffuser
A physical vapor deposition apparatus includes a vacuum chamber having side walls, a cathode inside the vacuum chamber, wherein the cathode is configured to include a sputtering target, a radio frequency power supply configured to apply power to the cathode, an anode inside and electrically connected to the side walls of the vacuum chamber, and a chuck inside and electrically isolated from the side walls of the vacuum chamber, the chuck configured to support a substrate, and a heater to heat the substrate supported on the chuck. The chuck includes a body and a graphite heat diffuser supported on the body and configured to contact the substrate.
FUJIFILM Corporation
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Youming Jeffrey
Li Birkmeyer