US Patent Issued to NCX on March 4 for "Methods for forming a field emission cathode" (North Carolina Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,738, issued on March 4, was assigned to NCX Corp. (Raleigh, N.C.).

"Methods for forming a field emission cathode" was invented by Cheng Qian (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for fabricating an electron field emission cathode, the field emission cathode including a substrate having a field emission material layer engaged therewith, where the field emission material incorporates a carbon nanotube material and a metal oxide. The field emission material is produced via a sol-gel process to improve field emission characteristics of the field emission cathode and field emission cathode devices implementing such cathodes....