Made In Champaign County


Inprentus designs, manufactures, and sells x-ray and EUV diffraction gratings for use in synchrotron radiation facilities and industrial applications.

Inprentus was founded in June 2012 by University of Illinois Urbana-Champaign physics professor Peter Abbamonte to commercialize an innovative, dual-atomic microscope scribing technology, which is a technique for carrying out nano-scale lithography via mechanical deformation of metallic surfaces.

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Products made by Inprentus: Custom Blazed Diffraction Gratings

Fun facts about the company:

  • They sell their gratings to customers around the world, including China, Japan, Australia, India, Spain, Germany, Switzerland, and Brazil.
  • In June 2020 they created their largest grating ever (and the largest one that they know of in existence!) – measuring over 1/2 meter long, or about 20 inches.
  • Their gratings are ruled with a density of up to 6,000 lines per millimeter (meaning that they are able to scribe 6,000 lines in just 1 tiny millimeter).