ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,666, issued on Dec. 23, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Microfluidic chips with one or more vias filled with sacrificial plugs" was invented by Joshua T. Smith (Croton-on-Hudson, N.Y.), Robert Bruce (White Plains, N.Y.), Jyotica V. Patel (Port Chester, N.Y.) and Benjamin Wunsch (Mt. Kisco, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques regarding microfluidic chips with one or more vias filled with sacrificial plugs and/or manufacturing methods thereof are provided herein. For example, one or more embodiments described herein can comprise an apparatus, which can comprise a silicon device layer of...