Proto Manufacturing X-ray Diffraction





X-ray Diffraction Systems & Services

COVID-19 UPDATE:   Proto is continuing to operate and offer support to our customers. We are taking extensive measures to protect the health and safety of our employees. We hope everyone is staying safe during this challenging time.

LEADERS in X-ray Diffraction

PROTO® is one of the fastest growing x-ray diffraction companies in the world. We specialize in powder diffraction, residual stress measurement, and Laue single-crystal orientation. Our skilled application scientists and expert engineers ensure that you get the correct system and support for all of your applications.

Improve your science

At PROTO, we make scientific and engineering advancement possible by bringing you highly accurate and precise x-ray diffractometers. You work hard to achieve your results, so we work hard to provide you with the best equipment on the market.

technology that delivers accurate results

Our residual stress measurement systems are designed to provide the most accurate results available for your parts, regardless of the geometric complexity or material. In particular, safety-critical and life-limited engineered parts need an accurate assessment of their residual stress. Don't undermine your engineering with inferior measurements.

news & updates

PROTO is excited to release the second issue of 2theta. This issue features an article about the use of XRD on Mars and highlights Dr. Roberta Flemming’s research group and their work with future Mars-bound rovers. Find out more and download the latest  issue.


The new AXRD LPD powder diffractometer is a modern innovative custom platform with versatile optics, sample holders, and temperature stages.

PROTO is excited to release the inaugural issue of 2theta. A magazine highlighting x-ray diffraction and its application in science and engineering.  Find out more and download the latest  issue.