US Patent Issued to Duke University on Sept. 23 for "Technologies for particle manipulation using harmonic acoustic waves" (Massachusetts, North Carolina Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,404, issued on Sept. 23, was assigned to Duke University (Durham, N.C.).

"Technologies for particle manipulation using harmonic acoustic waves" was invented by Shujie Yang (Somerville, Mass.) and Tony Jun Huang (Durham, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Technologies for harmonic acoustic manipulation of colloidal particles include a system having a piezoelectric substrate coupled to one or more segmented acoustic transducers and a fluid positioned above the substrate. The segmented transducers have multiple segments, each with a resonant frequency equal to a harmonic frequency. The system further includes a controller that generat...