1, optical links are already being used to connect racks of equipment that ... lower-loss and more expensive PCB material, Rogers 4003 for example. Moving the electrical channel onto a flex ...

PCBs were widely used in electrical equipment and other industrial applications until their ban in the late 1970s due to their environmental persistence and toxicity. Despite their ban ...

PCBs were once used widely to insulate electrical equipment, and were used in such products as caulking, floor finish and paint, but were outlawed by the U.S. government in 1979 after being linked ...