US Patent Issued to Universal Display on May 12 for "Organic vapor jet printing system" (California Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,628,545, issued on May 12, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic vapor jet printing system" was invented by Jeff Hawthorne (Palo Alto, Calif.), Sriram Krishnaswami (Saratoga, Calif.) and Kent Khuong Nguyen (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chuck for holding a workpiece in a deposition system is provided, which includes a base having a base surface with a flatness tolerance of not greater than 30 micro metre and a clamp having a surface configured to be attached to a substrate, which has a flatness tolerance of not greater than 30 micro metre. The clamp also includes a substrate holder configured ...