Profile: Maxtek, Inc. manufactures quality thin film vacuum deposition controllers, monitors, sensor heads, feedthroughs, valvees and oscillators. Our Maxtek DCM-250 deposition control manager software provides a complete computer interface for the MDC-260/360C/361C/360/361/370 deposition controllers. Our Maxtek RQCM quartz crystal microbalance research system measures up to three crystals simultaneously, supports heavily loaded crystals, control inputs & outputs with 0.4 ng/cm 2 measurement resolution, electrically isolated crystal electrode and integrated windows based software included.