Patent ID: 9748121
Date: 2017-08-29
CPC Classifications: C23C,H01L

Claim:
1. A process chamber, comprising: a chamber body including an optically transparent window; a lamp housing having an upper surface disposed adjacent to the optically transparent window, the lamp housing having a plurality of openings formed within the upper surface of the lamp housing, the optically transparent window and the lamp housing having a gap therebetween, wherein the upper surface of the lamp housing comprises turbulence-inducing features adjacent the gap, the turbulence-inducing features including bumps or ridges; a plurality of lamps disposed within the lamp housing and positioned to direct radiant energy through the plurality of openings formed within the upper surface of the lamp housing; one or more cooling channels disposed within the lamp housing, the one or more cooling channels defined between the plurality of lamps and the upper surface of the lamp housing, the upper surface of the lamp housing disposed between the one or more cooling channels and the gap; and a temperature control unit adapted to provide a cooling fluid to the gap between the optically transparent window and the lamp housing.