University of California, Los Alamos National Laboratory, P.O. Box 1663, Mail Stop P943, Los Alamos, New Mexico 87545

66 -- SEGMENTED SCINTILLATOR PER SPECIFICATION Sol 422ALRFQ6-98. Contact Point, Gary Childers, 505-667-5918. The Los Alamos National Laboratory, operated by the University of California for the Department of Energy (DOE), Los Alamos, New Mexico is source searching for firms that may provide the Los Alamos National Laboratory with Prototype Segmented Lu2SiO5Ce Scintillator adhering to the following specifications. 1) Pixels must be 1mm x 1mm square. 2) Individual pixels are 40mm long. 3) Individual pixels must be polished on all 6 sides. 4) Gap between pixels must be less than 100u. 5) Pixels sides must have reflective mylar or similar coating. 6) Pixels must have very high optical transmission T greater than 0.6. 7) Pixel-to-pixel scintillation variation must be less than 20%rms. 8) Scintillation efficiency must be greater than 15,000 visible photons/MeV. 9) LSO packing fraction must be greater than 85%. 10) Entire segmented array must be 5cm x 5cm x 4cm thick. 11) Array must contain in excess of 2000 individual pixel segments. 12) Array must be assembled with index matching glue. 13) Array must have fewer than 10 dead pixels. 14) Front and back surfaces of assembled array must be polished and flat to 50u. 15) Lu2SiO5:Ce must have a normal density greater than 7.0g/cm 3. 16) Time constant must be less than 100ns. Companies interested in being added to the source list may submit their name and address along with information concerning capabilities to University of California, Los Alamos National Laboratory, PO Box 1663, Mail Stop P943, Attention: Gary Childers, Los Alamos, New Mexico 87545. Phone (505) 667-5918, FAX (505) 665-6052. (240)

Loren Data Corp. http://www.ld.com (SYN# 0370 19960829\66-0006.SOL)