National Institute of Standards and Technology, Acquisition and Assistance Division, Bldg. 301, Room B117, Gaithersburg, MD 20899

95 -- SINGLE-CRYSTAL SILICON INGOTS SOL 52SBNB5C8808 DUE 083095 POC Marsha Rodgers (301) 975-6398 The National Institute of Standards and Technology (NIST) intends to negotiate with Eagle Picher Industries on a sole source basis for 3 each Single-Crystal Si Ingots, CZ or FZ. Length 1200mm; diam ) 140mm; (100) or (111) +/- 2 deg. growth dir; No lineage / slip / twin; No small angle grain boundaries; Annealed, stress-free; Resistivity ) 3 ohm-cm; epd 30,000 - 100,000; Less than 10 ppm carbon; Free from fractures, cracks, crow's feet, and other structural defects -- F.O.B. Destination, Gaithersburg, Maryland -- Required delivery time 16 weeks for first ingot, 2 week intervals for remaining -- This is a sole source requirement because Eagle Picher Industries is the only firm making these ingots for the purpose of providing x-ray mirror substrates that meet our stringent requirements in size and properties. No other vendor has these specialized capabilities -- See Note 22. (0195)

Loren Data Corp. http://www.ld.com (SYN# 0591 19950717\95-0002.SOL)