Profile: Gaertner Scientific Corp. manufactures a variety of precision scientific instruments intended for use in research, industrial, educational and government laboratories & shops. Our products include ellipsometers for thin film measurement, measuring microscopes for dimensional measurements as well as other specialized optical instruments, software & upgrades for older ellipsometer models, ellipsometer calibration standards, xy digital measuring microscope w126, modular build-your-own custom measuring microscopes and optical instruments.