Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, CA 94550

A -- RESEARCH & DEVELOPMENT -- PORTABLE GE RADIATION SPECTROMETER SOL 00-020/251 DUE 050100 POC Industrial Partnerships and Commercialization -- Media Hotline (925) 423-3139 WEB: Not Applicable, Not Applicable. E-MAIL: Not Applicable, Not Applicable. The Lawrence Livermore National Laboratory (LLNL), operated by the University of California under contract with the U.S. Department of Energy, is seeking companies interested in partnering with LLNL for the purpose of commercializing a portable Ge gamma-ray spectrometer developed jointly by LLNL and Lawrence Berkeley National Laboratory. The spectrometer contains an electromechanically cooled high purity encapsulated Ge detector that requires only electrical power to maintain the required operating temperature. Operation, including cool down, does not require the use of liquid nitrogen. The unit includes an inner radiation shield around the detector cooled by use of a Peltier thermoelectric cooler. The inner shield reduces the radiative load on the detector by approximately a factor of two, enhancing the portability, light- weight, and battery power usage for a mechanically cooled Ge spectrometer. The inner shield can also be used with detectors cooled conventionally with liquid nitrogen. A prototype spectrometer has been fabricated and is undergoing laboratory testing at LLNL. The unit has been operating since June 1998. The prototype weighs approximately 8 lbs, and draws 10 watts DC at input of the spectrometer. Note: This is not a procurement. Companies interested in commercializing the portable gamma-ray spectrometer with actively driven thermal radiation shield should provide a written statement of interest that must include the following information: (1) company name and address, (2) the name, address, telephone number, and fax number of a point of contact, (3) a description of your company's expertise and facilities in the relevant technologies. Statements of interest should be sent to: Lawrence Livermore National Laboratory Industrial Partnerships and Commercialization Office P. O. Box 808, L-795, Livermore, CA 94551 Attention: CBD00-020/251. Please provide your written statement within thirty (30) days from the date this announcement is printed to ensure consideration of your response. Posted 03/30/00 (W-SN439673). (0090)

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