Utah Patent of the Month – July 2022
In order for an x-ray window to be reliable, they need to be made from materials that have sufficient strength, high x-ray transmissivity, are impervious to gas, visible light, and infrared light. Typically, these characteristics are achieved with materials that have low atomic numbers as these materials can avoid contaminating the x-ray signal.
Moxtek, Inc. has designed and patented their boron-based x-ray window. In their design, a thin film with boron coats the window. The film also includes an aluminum layer. This aluminum component achieves the successful blocking of both visible and infrared light. This design meets all the criteria needed for a reliable x-ray window. The boron is combined with hydrogen, creating a boron hydride layer which improves the performance of the window.
Moxtek has been developing x-ray windows of all kinds since 1986. Their first product, a polymer X-ray window, inspired the company to keep pushing the limits of performance in projection, imaging, and optics in all ways.
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