Armament Contracting Division (WL/MNK), Building 13, 101 West Eglin Boulevard, Suite 337, Eglin AFB FL 32542-6810

A -- MICROMACHINED SENSOR TECHNOLOGY POC BEVERLY SHAFFER, 904-882-4294, x3207 The United States Air Force's Wright Laboratory Armament Directorate Weapon Flight Mechanics Division (WL/MNA) requests information regarding past and present conceptual engineering studies / analyses and designs regarding Micro-Electro-Mechanical-Systems (MEMS) sensor technology. WL/MNA specifically requests information on system designs which could or will meet the requirements for a new family of small smart munitions currently under development at Eglin AFB. These MEMS sensors are envisioned to decrease the cost of current Inertial Measurement Units (IMUs) without sacrificing performance. In addition, the use of MEMS technology is also expected to result in decreased weight and volume requirements for a complete sensor or IMU package. Two applications currently of interest to WL/MNA are the use of MEMS sensors (specifically accelerometers and the required support electronics) as sensor packages for weapon fuses and the use of a MEMS IMU (accelerometers, gyroscopes, and required support electronics)for guidance of new weapon systems. The fuse sensor packages are to be used for real-time media discrimination (i.e. soil, concrete, and air). The IMU package would be used during the final phase of weapon flight where GPS signals may be unreliable. The government seeks information on key technical issues facing such designs, including the ability to meet the performance specifications listed below. Design drawings, rate and shaker table testing results, environmental testing (i.e. scale factor variance with temperature), and other such studies and reports from past/ongoing Government sponsored programs and Independent Research and Development (IR&D) programs are requested. 1.1 FUSE ACCELEROMETER REQUIRMENTS -- Linear Range: +2000 g minimum, +10,000 g desirable. Must survive 20,000 g shock (18-30ms trapezoidal pulse) and return to linear operation within 4 ms. Frequency response: DC-1 kHz. Maximum size: including support electronics and connectors 10 cubic centimeters. Resolution: 1 g. 1.2 IMU ACCELEROMETER REQUIRMENTS -- Bias Stability: 300 ug, 1 sigma. Random Walk. 0.05 m/s/sq rt hr, 1 sigma. Axis Misalignment: 100 urad, 1 sigma. Scale Factor Error 200 ppm, all causes, 1 sigma. Frequency Response: 100 Hz. Linear Range: 50 g. 1.3 IMU GYROSCOPE REQUIREMENTS -- Bias Drift Rate: 1 deg/hr, turn-on to turn-on and long term, 1 sigma. Angle Random Walk, 0.1 deg/sq rt hr, 1 sigma. Scale Factor Quantization: 2**-16. Axis Misalignment: 100 urad, 1 sigma. Input Axis Repeatability 500 urad, 1 sigma. Scale Factor Error: 200 ppm, all causes, 1 sigma. Minimum Bandwidth: 150 Hz. Maximum Rate Capability: +1000 deg/sec, continuous. 1.4 PACKAGED IMU REQUIREMENTS -- Maximum Warm-up Time: 100 msec. Maximum Size: 15 cu in. Unit Production Cost, In quantities of 3000/year in 1995 $: 2000. Maximum Weight: 1 lbs. Maximum Operating Power Consumption: 5 Watts. Responses are requested within 30 days of this announcement. Forward information packets to: ATTN: Beverly Shaffer, WL/MNK, Bldg 13., 101 W. Eglin Blvd., Suite 337,Eglin AFB FL 32542-6810.Prospective respondents are invited to contact 1Lt Robert Behnken / 2Lt Laura Kelly, WL/MNAG, phone number (904) 882-3589 ext. 3360 / 3366 (0251)

Loren Data Corp. http://www.ld.com (SYN# 0010 19970910\A-0010.SOL)