AFC manufactured electrodes on glass for flat panel displays. These electrodes are used in liquid crystal displays (LCD), plasma displays, and auto-dimming car mirrors utilizing electrochromism. Major early customers were Burroughs (now Unisys) in New Jersey, IBM in East Fishkill and Kingston, New York, numerous Asian producers of LCD's, Gentex in Holland, Michigan, Plasmaco (now Panasonic Plasma Display Lab) in Highland, New York, and Samsung in Gumi, South Korea. The main method of coating these electrodes on glass was magnetron sputter deposition, specifically the planar magnetron A US patent 4166018 A, John S. Chapin, "Sputtering process and apparatus", published 1979-08-28, assigned to Airco, Inc., later assigned to BOC Group Inc. The main materials were indium tin oxide transparent e