Window cooling using compliant material
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
May 4, 2015
filing date -
May 27, 2014
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Abstract
Embodiments described herein generally relate to apparatus for processing substrates. The apparatus generally include a process chamber including a lamp housing containing lamps positioned adjacent to an optically transparent window. Lamps within the lamp housing provide radiant energy to a substrate positioned on the substrate support. Temperature control of the optically transparent window is facilitated using cooling channels within the lamp housing. The lamp housing is thermally coupled to the optically transparent window using compliant conductors. The compliant conductors maintain a uniform conduction length irrespective of machining tolerances of the optically transparent window and the lamp housing. The uniform conduction length promotes accurate temperature control. Because the length of the compliant conductors is uniform irrespective of machining tolerances of chamber components, the conduction length is the same for different process chambers. Thus, temperature control amongst multiple process chambers is uniform, reducing chamber-to-chamber variation.
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