X-ray fluorescence (XRF) is a powerful technique for elemental analysis used in a variety of industries, from mining to electronics manufacturing. To generate the X-rays used in X-ray fluorescence, an X-ray tube, such as Silicon Potted Xray Tube, is used.
Micro X-Ray Inc.
370 Encinal Street, Suite 200, Santa Cruz, CA, United States 95060
https://microxray.com/applications/x-ray-fluorescence-xrf/