Arcam's intellectual property patents for EBM technology are pretty solid. What we don't see published too much is information on their XQam technology. Arcam seems to have a pretty good patent lock on the use of x-rays to verify beam spot position, size, and melt pool integrity.
The use of X-Rays to verify quality of additively manufactured components as they are being built is an immense tool for the AM users and their customers.
The patent protection for Arcam's X-Ray use in AM may be strong enough to be another income stream if licensed to other AM technologies (i.e. laser for metal).
The new systems are all about improving the electron beam at the heart of Arcam’s EBM technology. New electronics are built into the Q10plus and Q20plus to increase the accuracy and efficiency of beam control, further enhanced by a new software platform, EBM Control 5.0.
In addition to improving the accuracy and efficiency of beam control, the software also incorporates new melt strategies and increases build speed and precision. Finally, both of the new machines feature xQam, a system that uses X-ray detection for automatic calibration and beam control. Altogether, Arcam claims that the Qplus systems are 25 percent more productive than the previous models with what they suggest is “significantly improved surface finish and precision.”
Magnus René, CEO of Arcam, said of the new machines, “With the Arcam Q series-plus we sharpen our offering to our main markets, the implant industry and the aerospace industry. With the introduction of the innovative Arcam xQam technology, Arcam reinforces its commitment being at the technological forefront within industrial additive manufacturing.”
For reference, Arcam's patents granted describing the use of X-rays to improve the additive manufacturing process:
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