US Patent Issued to NOKIA SOLUTIONS AND NETWORKS on Feb. 17 for "Zero clearance backdrilled printed circuit boards" (Canadian, American Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,217, issued on Feb. 17, was assigned to NOKIA SOLUTIONS AND NETWORKS OY (Espoo, Finland).

"Zero clearance backdrilled printed circuit boards" was invented by Paul Brown (Wakefield, Canada), Alex Chan (Ottawa), Daniel Anav (San Jose, Calif.) and Jonathan Montag (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-layer printed circuit board (PCB), includes a first plurality of layers, each having a plurality of signal traces disposed thereon, a second plurality of layers, each having a voltage plane disposed thereon, and a plurality of plated-through-hole vias disposed between a first surface of the multi-layer PCB and a second su...