Particle and chemical control using tunnel flow

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United States of America Patent

PATENT NO 9759912
SERIAL NO

14034273

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus for contaminant control, having: a first optical assembly including: a first light homogenizer tunnel with: a first end connected to an extreme ultra-violet light source, a second end in communication with a destination chamber, a first enclosed space, and, a first gas input arranged to introduce a first gas such that the first gas flows in a first direction toward the first end and in a second direction toward the second end. The apparatus alternately having: a second optical assembly including: a second light homogenizer tunnel with: a third end connected to an extreme ultra-violet light source, a fourth end in communication with a destination chamber, a second enclosed space, a diffusion barrier tube including: a fifth end facing the fourth end and a sixth end in communication with a destination chamber, and a second gas input between the second light homogenizer tunnel and the diffusion tube.

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Patent Owner(s)

  • KLA-TENCOR CORPORATION;NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chilese, Frank San Ramon, US 21 161
Delgado, Gildardo R Livermore, US 24 107
Klebanoff, Leonard E Dublin, US 24 305
Torczynski, John R Albuquerque, US 12 259
Wack, Daniel Fredericksburg, US 14 191

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