Defense Special Weapons Agency, 6801 Telegraph Road, Alexandria, VA 22310-3398

M -- PRODUCTION OF SINGLE CRYSTAL TUNGSTEN TUBES BY THE CHEMICAL VAPOR DEPOSITION METHOD POC Tanya Stasiuk, Negotiator, (703) 325-5029, Scott G. Morton, Contracting Officer, (703) 325-1200 The Defense Special Weapons Agency (DSWA) is hereby canceling the RFP entitled, "Production of Single Crystal Tungsten Tubes by the Chemical Vapor Deposition Method," synopsized in the CBD on 19 Feb 98 and issued on 12 Mar 98, synopsis no. 98-58. DSWA's objective was to develop a U.S. capability for manufacturing single-crystal tungsten tubes by the Chemical Vapor Deposition (CVD) to achieve a bare work function of 5.1eV. DSWA recently learned of techniques involving chemical etching which increases the bare work function of single-crystal tubes to the desired value of 5.1eV. DSWA hopes to achieve a bare work function of 5.1eV without the added costs of developing a new CVD process. Information on DSWA solicitations, already released, can be obtained by calling the DSWA Hotline at (703) 325-1173. Acquisition Management has added "Procurement Opportunities" to the DSWA Home Page available on the World Wide Web. Information will include this synopsis and more. Please check us out at www.dswa.mil. (0098)

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