Microcalorimeter radiation detector absorbers and methods of making the same
| DWPI Title: Photon absorber material comprises tin material having controlled preferred crystalline orientation and grain size formed through electroplating |
| Abstract: A microcalorimeter radiation detector that includes a tin absorber having orientations of (420) and (311) with grain sizes greater than 100 nm. Tin absorber blanks were electroplated on a sacrificial substrate changing chemistry makeup, current density, and time to realize pure tin deposition of the desired characteristics. |
| Use: Photon absorber material. |
| Advantage: The photon absorber material is that the summed signal of arrays of these detectors will have improved energy resolution and detector efficiency compared to arrays where some detectors have poor performance, signals and performance from these detectors will provide a more predicable response than current practice, tin electroplating process allows for precise control of the absorber size and form factor, and formation of an absorber having improved pixel performance. |
| Novelty: Photon absorber material comprises a tin material having a controlled preferred crystalline orientation and grain size formed through electroplating. |
| Filed: 2/16/2022 |
| Application Number: US17673507A |
| Tech ID: SD 15698.1 |
| This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |
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