Patent ID: 8872138

Claim:
A UV curing system, comprising: an enclosure defining an interior; a UV radiation source disposed within the interior of the enclosure; a first window disposed within the interior of the enclosure, the first window creating a barrier that separates the UV radiation source and a processing chamber; a second window disposed within the interior of the enclosure at a distance from the first window to define a gas channel between the first window and second window, the second window defining a plurality of openings such that the gas channel is in fluid communication with the processing chamber, wherein a first number of the plurality of openings have a first size and a second number of the plurality of openings have a second size greater than the first size; a gas inlet in fluid communication with the gas channel and configured to introduce a cooling gas into the gas channel; and a gas outlet in fluid communication with the processing chamber and configured to remove gas from the processing chamber.