ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,130, issued on April 14, was assigned to BRADY WORLDWIDE INC. (Milwaukee).
"Ejection head nozzle flooding control" was invented by David L. Bernard (Lexington, Ky.), Adam D. Carrithers (Lexington, Ky.), Brian T. Jones (Lexington, Ky.) and Amber Taraska (Lexington, Ky.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nozzle plate configured for a fluid ejection head, a fluid ejection head containing the nozzle plate and a method for modifying a nozzle plate to reduce fluid flooding thereon. The nozzle plate includes a plurality of nozzle holes therein attached to a flow feature layer on a semiconductor substrate, and includes a first hydrophobic reg...