Publications Details

Microfabricated chip for calibration of field instruments

Moorman, Matthew W.; Robinson, Alex L.; Manginell, Ronald P.; Tappan, Alexander S.; Linker, Kevin L.

Accurate, periodic calibration is required to operate IMS, GC, and portal security systems with maximum efficiency, surety, and operator confidence. To this end, we are presently developing a microfabricated device for on-demand calibration of fleldable contraband detection instruments. Using robotically-assisted picoliter dispensing methods, precise nanogram or larger amounts of calibration compound(s) are placed on micron-sized bridge structures. Resistively heating these structures delivers precisely quantified low-levels of calibration compounds to the detector systems. This provides reliable calibration for identification and quantification of explosives, narcotics, and other contraband. © 2007 IEEE.