KLA Corporation
Self-Aligning Vacuum Feed-Through for Liquid Nitrogen

Last updated:

Abstract:

A light source includes a rotatable drum, an exhaust tube coupled to the rotatable drum to exhaust nitrogen gas from an interior of the rotatable drum, a feed tube situated within the exhaust tube to provide liquid nitrogen to the interior of the rotatable drum, and a casing to surround at least a portion of the exhaust tube. The light source also includes a rotary air bearing between the exhaust tube and the casing, to allow the exhaust tube to rotate with the rotatable drum.

Status:
Application
Type:

Utility

Filling date:

1 Apr 2021

Issue date:

7 Oct 2021