Radiation shield
First Claim
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1. A radiation shield for use in a reactor, the radiation shield comprising:
- a plate comprising a first section and a second section, wherein the first section comprises an annular disc having an inner perimeter and an outer perimeter, and wherein the second section comprising a hollow frusto shape; and
an attachment device engaged with the plate, wherein the attachment device is configured to removably couple the plate to a side surface of a susceptor within a reaction chamber of the reactor;
wherein;
the attachment device is mounted to and directly engages the second section of the plate; and
the attachment device comprises a slidable member configured to slide along the second section of the plate.
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Abstract
A radiation shield and an assembly and a reactor including the radiation shield are disclosed. The radiation shield can be used to control heat flux from a susceptor heater assembly and thereby enable better control of temperatures across a surface of a substrate placed on a surface of the susceptor heater assembly.
3274 Citations
16 Claims
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1. A radiation shield for use in a reactor, the radiation shield comprising:
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a plate comprising a first section and a second section, wherein the first section comprises an annular disc having an inner perimeter and an outer perimeter, and wherein the second section comprising a hollow frusto shape; and an attachment device engaged with the plate, wherein the attachment device is configured to removably couple the plate to a side surface of a susceptor within a reaction chamber of the reactor; wherein; the attachment device is mounted to and directly engages the second section of the plate; and the attachment device comprises a slidable member configured to slide along the second section of the plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for supporting a substrate during a reaction process, the apparatus comprising:
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a susceptor heater assembly comprising a base comprising a bottom surface and a side surface; a radiation shield attached to the side surface, wherein the radiation shield comprises; a plate comprising a first section and a second section, wherein the first section comprises an annular disc having an inner perimeter and an outer perimeter, and wherein the second section comprising a hollow frusto shape; and an attachment device mounted to the second section of the plate of the radiation shield, the attachment device removably extending between the second section of the plate of the radiation shield and the side surface of the base of the susceptor heater assembly; wherein the attachment device is configured to removably retain the radiation shield a distance away from the bottom surface and the side surface of the base of the susceptor heater assembly such that a gap is defined between the radiation shield and the base of the susceptor heater assembly. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification