A printed wiring board that has two layers of circuitry, one on each side of the board. Less complex to manufacture than a multilayer printed wiring board and several of the process steps (desmear, oxide, lamination) are not required.
Many of the one sheets that are currently produced are printed double-sided, with artwork on both the front and the back so they can be 'back lit' and used in light boxes in cinema lobbies.
refers to a DVD disc that has data on both sides of the disc. To play the other side of the DVD, you usually have to manually "flip" the disc manually. Also see DVD-10 or DVD-18. back to the previous page