FRANKLIN, Tenn., Aug. 21 - Alcoa said that Alcoa Fujikura Ltd. (AFL) Telecommunications has acquired 100 percent of the stock of Laser Armor Tech Corp., a manufacturer of laser welded stainless steel tubes for optical fibers.Based in San Diego, Calif., Laser Armor Tech is a subsidiary of the privately held Cook Group of Bloomington, Ind. Terms of the deal were not disclosed. "The addition of Laser Armor Tech Corp. and its laser stainless steel technology will help AFL maintain and grow its position as the world's leading cable manufacturer of Optical Ground Wire (OPT-GW)," said Frank Larence, president of AFL Telecommunications. Laser Armor Tech holds the patent rights, technology and licenses for stainless steel tube manufacturing that allows for high fiber density in small cable designs.