US Patent Issued to National center for nanoscience and technology on May 27 for "Carbon nanomaterial functionalized needle tip modified with low work function material and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,653, issued on May 27, was assigned to National center for nanoscience and technology (Beijing).

"Carbon nanomaterial functionalized needle tip modified with low work function material and preparation method thereof" was invented by Jianxun Xu (Beijing), Yuliang Zhao (Beijing) and Yifei Ge (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A carbon nanomaterial functionalized needle tip is modified with a low work function material. The needle tip is formed by combining a carbon nanomaterial with a material of a needle tip through a covalent bond. The interior or outer surface of the carbon nanomaterial is modified with a low work function mate...