Importance

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Abstract

A self-centering susceptor ring assembly is provided. The susceptor ring assembly includes a susceptor ring support member supporting a susceptor ring. The susceptor ring has a lower surface defining therein an elongated slot extending radially relative to a center point of a central circular aperture, and the ring body defines therein a channel extending longitudinally within the thickness of the ring body, with the channel laterally offset from the circular aperture, and the elongated slot oblique relative to the channel. The slots are configured such that a gap, between the susceptor ring and a susceptor located within the aperture of the susceptor ring, remains substantially uniform about the entire circumference of the susceptor, and thereby maintains the same center axis.

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First Claim