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Ultrasonic Deposition System: The Accu-Mist™ from Sono-Tek is designed for deposition of liquid coatings. The system combines a MicroSpray™ ultrasonic atomizing nozzle with low-pressure air to produce a soft, focused beam of spray. The ultrasonic spray nozzle does not contact work surfaces, and the low-velocity delivery will not harm components. Spray patterns are adjustable from widths of 0.07-0.25 in. (0.17-0.64 cm), and liquid delivery rates can vary from 1 to 250 ul/s. Circle No. 60 on Reader Service Card.

Reactive Silicones: Gelest offers a 48page booklet describing reactive silicones that can be formulated into coatings, membranes, cured rubbers, and adhesives for mechanical, optical, electronic, and ceramic applications. The text provides startingpoint formulations and references. Data on vinyl, hydride, silanol, and alkoxy functional silicones are provided for conventional silicone cure systems. Data on amine, epoxy, methacrylate, hydroxy, and mercapto silicones are provided for hybrid organic-silicone cure systems. Circle No. 65 on Reader Service Card.

UHV Scanning Probe Microscope:

Optical Instruments Catalog: Edmund

Park Scientific's AutoProbe® VP2 is designed for atomic-scale surface analysis in UHV. The instrument offers hightemperature imaging in both STM and AFM. The device has demonstrated AFM images to 300°C and STM images to 600°C, with direct and indirect heating capabilities to 1200°C. Custom sample holders can be added for compatibility with MBE systems, and features include a y-translation probe positioning range of 5 mm. Circle No. 61 on Reader Service Card.

Scientific's 266-page catalog provides data on lasers, optics, positioning equipment, fiber optics, video systems, and instruments and components. Featured is information on the Tech Spec1™ line of precision optics and filters. Application primers are included for laser diodes, laser beam expanders, mirrors, and integrated mounting components. Circle No. 66 on Reader Service Card.

Photomicrographic Camera: The MPS30 from Leica is compatible with all Leica compound microscopes, stereomicroscopes, and macroscopes. Most functions are automatic. The device determines exposure by measuring light with integrated metering, processes the parameters, and sets the optimum exposure. The camera controls the shutter, auto film loading, film advance after exposure, and film rewind at the end of the roll. An optional data back allows superimposition of up to 36 characters. Circle No. 62 on Reader Service Card.

Sapphire Detecting Units: Sapphire detecting units from EDAX are designed for x-ray microanalysis. Detector window materials range from beryllium to super ultrathin polymers. Windowless ECON detectors are also available. The detectors offer improved resolution of low-energy spectra, high peak-to-background ratio; and a mean time between failure of more than eight years. They are available as a standard dewar 10-liter unit, a compact unit, the CryoX (which provides the performance of LN2 detectors without the LN2), and a series of retractabl