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Ultra high vacuum broad band high power microwave window

United States Patent

5,683,783
November 4, 1997
View the Complete Patent at the US Patent & Trademark Office
Thomas Jefferson National Accelerator Facility - Visit the Technology Review Committee Website
An improved high vacuum microwave window has been developed that utilizes high density polyethylene coated on two sides with SiOx, SiNx, or a combination of the two. The resultant low dielectric and low loss tangent window creates a low outgassing, low permeation seal through which broad band, high power microwave energy may be passed. No matching device is necessary and the sealing technique is simple. The features of the window are broad band transmission, ultra-high vacuum compatibility with a simple sealing technique, low voltage standing wave ratio, high power transmission and low cost.
Nguyen-Tuong; Viet (Seaford, VA), Dylla, III; Henry Frederick (Yorktown, VA)
Southeastern Universities Research Ass., Inc. (Newport News, VA)
08/ 150,596
November 10, 1993
The United States may have certain rights to this invention, under Management and Operating Contract DE-AC05-84ER40150 from the United States Department of Energy.