Department of Commerce, Mountain Administrative Support Center, Procurement Division, MC3, 325 Broadway, Boulder, CO 80303-3328

66 -- SCANNING PROBE MICROSCOPE SOL 52RANB50C091 DUE 061595 POC Marilyn Scherer, (303) 497-3657 In the absence of other qualified sources it is the intent of the National Institute of Standards and Technology to purchase one Nanoscope Dimension (D 3000) scanning probe microscope with motorized sample stage from Digital Instruments, 520 E. Montecito Street, Santa Barbara, CA 93103 under ''other than Full and Open competition'' procedures, pursuant to 41 U.S.C. 253(c)(1) - only one responsible source. The microscope must be capable of performing STM, contact and tapping mode AFM, MFM, EFM, LFM, electrochemical STM and AFM, and tunneling spectroscopy. It must be capable of line by line lift mode operation to perform MFM, EFM and LFM. It must have an optical microscope for on axis viewing of the tip and specimen with zoom capability to 1500 x, and it must have a large sample stage with a vacuum chuck for holding specimens up to 5 1/4 inches in diameter but also capable of holding samples 5 x 5 mm squared. It must have a laser focus and tracking system and a multi-segment scanner which controls the z scan separately from the x and y scans. It must also have a fluid cell, so samples can be analyzed while submersed in a liquid. In addition the microscope must also be capable of being operated by the NanoScope IIIA Scanning Probe Microscope Control System that NIST already has. This control system has a number of required unique capabilities, such as two color monitors; one which displays control menus and another which displays the image that the microscope is taking. It allows simultaneous display of two microscope traces on the image monitor, and has digital feedback and full 16 bit resolution regardless of the scan size, offset or angle. No other qualified source is known that can meet the Government's minimum requirements. Interested concerns must submit a written qualification statement that clearly establishes the firm's capability to meet the above requirements. This qualification statement shall be submitted to the individual and office cited above within 45 days from the date of this synopsis. This is not a formal solicitation. See Note 22. (0122)

Loren Data Corp. http://www.ld.com (SYN# 0337 19950503\66-0015.SOL)