ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,791, issued on June 3, was assigned to Kulicke and Soffa Hi-Tech Co. Ltd. (New Taipei, Taiwan).
"Jetting valve with two stage calibrating structures" was invented by Lu-Min Chen (Taipei, Taiwan) and Tsung-Lin Tsai (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jetting valve with two stage calibrating structures is disclosed, the jetting valve includes: a casing having an accommodating space; a piezoelectric actuating unit disposed on one side of the accommodating space; a spraying unit disposed on the other side of the accommodating space; a displacement amplifying element is arranged at the bottom of the accommodating space and lea...