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AT&T BELL LABORATORIES SCIENTISTS WIN R&D 100 AWARDS

 AT&T BELL LABORATORIES SCIENTISTS WIN R&D 100 AWARDS
 MURRAY HILL, N.J., Sept. 24 /PRNewswire/ -- Three inventions by


AT&T Bell Laboratories scientists have been cited by R&D Magazine as among the most significant new technical innovations of 1991. The 1992 R&D 100 award winners are:
 AT&T's Near-Field Scanning Optical Microscope
 Bell Labs scientists Eric Betzig and Jay Trautman invented a more powerful optical microscope that can be used to inspect integrated circuits and investigate living cells. The microscope links a laser to an optical fiber to resolve features only 12 nanometers (billionths of a meter) wide, or about 5,000 times smaller than the diameter of a human hair. More recently, Bell Labs researchers used this near-field scanning optical microscopy method to demonstrate a revolutionary new magneto-optic data storage technique that offers data densities of 45 billion bits per square inch -- a nearly 100-fold increase over today's best commercial magneto-optic methods.
 CAMP Deep-UV Photoresist
 A Bell Labs-developed photoresist, called CAMP-6 or chemically amplified photoresist, stems from more than a decade of focused research into finding lithographic uses for the shortest wavelengths of visible light -- deep ultraviolet.
 Elsa Reichmanis, who manages the deep-UV resist program, explains that a resist is a critical chemical compound required for the manufacture of semiconductor devices. "When applied to a silicon wafer, a resist functions much like photographic film by recording images of semiconductor circuits projected from masks," says Reichmanis. With remarkable resolution, the CAMP-6 resist records the pattern dimensions are essential for packing more processing power, speed and memory into the chips of the future," she says. A recent license agreement between AT&T and OCG Microelectronic Materials, Inc., a joint venture of Olin Corp. and Ciba-Geigy, makes CAMP-6 available to microelectronics manufacturers worldwide.
 Nontoxic, Free-Machining, Wrought Copper Alloy
 Two Bell Labs researchers developed a lead-free copper alloy containing bismuth that offers promise in eliminating possible drinking- water problems that might affect human health. Materials scientists became increasingly aware of this problem and sought a safe alternative to lead-containing copper alloys, for which global usage approached one billion pounds in 1991. Responding to this challenge, John Plewes and Dominic Loiacono, of the Bell Labs metallurgy and ceramics research department, developed a new alloy, which contains bismuth in place of lead. The bismuth imparts the necessary machinability characteristics in copper alloys. This advance has sparked widespread copper-industry interest in learning more about, and potentially licensing, the new alloy.
 -0- 9/24/92
 /CONTACT: Russ Glover, 201-564-4097 or (home) 908-996-3252, or Bob Ford, 201-564-4260 or (home) 908-464-4422, both of AT&T Bell Laboratories/ CO: AT&T Bell Laboratories ST: New Jersey IN: TLS SU:


TS -- NY003 -- 3000 09/24/92 10:30 EDT
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Date:Sep 24, 1992
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