Micro X-Ray Inc., is a designer and manufacturer of low power, small focal spot x-ray tubes for various applications including X-ray Fluorescence, X-ray Diffraction, medical imaging, electron imaging and thickness gauging.

Machlett Laboratories was created in 1934 to produce X-ray tubes, and grew to become the world leader in the field. Machlett is the only manufacturer of microwave oven systems that makes its own magnetron tubes.