US Patent Issued to International Business Machines on July 28 for "Real-time control of via stub drilling depth asymmetry" (Texas, New York Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,396, issued on July 28, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Real-time control of via stub drilling depth asymmetry" was invented by Yanyan Zhang (Austin, Texas), Mahesh Bohra (Austin, Texas), Wiren Dale Becker (Hyde Park, N.Y.), Nam Huu Pham (Round Rock, Texas), Pavel Roy Paladhi (Pflugerville, Texas), Daniel Mark Dreps (Georgetown, Texas) and Lloyd Andre Walls (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gang drilling machine for drilling a circuit card includes a pair of n and p master drills that are configured to be aligned in registry with respective n and p test vias of the card; pluralitie...