ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,595, issued on May 13, was assigned to Ciena Corp. (Hanover, Md.).

"Low RF crosstalk devices via a slot for isolation" was invented by Ramin Deban (Cote-Saint-Luc, Canada) and Jean-Frederic Gagne (Quebec, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a plurality of layers arranged on top of one another and including at least one ground layer and a signal layer; a first set of signal pads and a second set of signal pads on the signal layer; and a slot formed in a portion of the at least one ground layer between the first set of signal pads and the second set of signal pads. The apparatus can include an optical assembly h...