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Method of nitriding niobium to form a superconducting surface

United States Patent

August 19, 2014
View the Complete Patent at the US Patent & Trademark Office
Thomas Jefferson National Accelerator Facility - Visit the Technology Review Committee Website
A method of forming a delta niobium nitride .delta.-NbN layer on the surface of a niobium object including cleaning the surface of the niobium object; providing a treatment chamber; placing the niobium object in the treatment chamber; evacuating the chamber; passing pure nitrogen into the treatment chamber; focusing a laser spot on the niobium object; delivering laser fluences at the laser spot until the surface of the niobium object reaches above its boiling temperature; and rastering the laser spot over the surface of the niobium object.
Kelley; Michael J. (Newport News, VA), Klopf; John Michael (Hampton, VA), Singaravelu; Senthilaraja (Nashville, TN)
Jefferson Science Associates, LLC. (Newport News, VA)
13/ 651,619
October 15, 2012
The United States government may have certain rights to this invention under Management and Operating Contract No. DE-AC05-06OR23177 from the Department of Energy.