Research Resources
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bilities enable users to convert a computer screen into an oscilloscope and eliminate the need for a separate pulserreceiver. Ultran Laboratories, Inc., 139R North Gill Street, State College, PA 16801; (814) 238-9083. Electronic Top-Loading Balances: Series of electronic top-loading balances incorporates high technology and compact size to offer high reliability at low cost. The series is available in single, dual and high range models, with weight ranges from 1 mg-6,200 g. Features include draft and vibration resistance, automatic calibration, weight testing, a warm-up standby circuit, and last-place decimal accuracy. In addition, overload and power failure protection
Sputtering Source: Modular sputtering source economically applies state-ofthe-art sputtering technology to existing vacuum systems. The unit employs eight-inch target electrodes which mount on baseplates or accessory feedthrough rings of 18- or 24-inch bell-
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AST-810 RF Plasma gfirichoo Deposition Modulo
jars. Advantages include high deposition rates, continuous coverage of complex surfaces, precise control of film, consistent alloy composition, excellent adhesion, and deposition uniformity. Both rf and dc modes are available. CVC Products, Inc., 525 Lee Road, P.O. Box 1886, Rochester, NY 14603; (716) 4582550. Nondestructive Characterization System: Ultrasoft 7000 system presents an optimum combination of ultrasonic and computer technologies. Ultrasonic hardware, comprised of transducer excitation and amplification, transducer lateral and vertical translation, has been fully incorporated inside an IBM PC (XT or AT) or compatible hardware, and software enables real-time and spectroscopical analysis, including planar raster scanning of test materials. Capa-
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prevent incorrect data from being displayed should either of these problems occur. When combined with an application keyboard, dedicated printer or RS 232 interface, the balance's capabilities can be expanded to include statistical calculation. Hook-up to the RS 232 or application keyboard permits two-way communication between balance and PC or other external device. PTXPentronix, Inc., 1737 Cicotte Lincoln Park, MI 38146-1304; (313) 388-3100. Helium Leak Detector: Cabinet model helium leak detector caters to both vacuum and overpressure leak detection methods. Automatic valving sequence provides helium response from atmospheric pressure down through all vacuum ranges. The detector has an almost completely hydrocarbon-free inlet system without the use of LN2, making it useful for clean test samples or systems in research and industry. Other features include easy set-up, fast start-up (less than five minutes), simple two-button operation, a bright easy-to-read display, and ease of service. Leybold Inficon, Inc., 6500 Fly Road, East Syracuse, NY 13057.
Vacuum System Controller: The Tekscan VSC sub-rack system can be positioned in a standard 19-in. rack or on a workbench to provide vacuum system measurements, display, and control. The VSC can also be used as a dedicated process
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