# Sun Nuclear (Mirion)

Source: https://onco.cc/companies/sun-nuclear/  
OnCo record `sun-nuclear` (Company). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Radiotherapy quality-assurance instruments and software (SunCHECK, ArcCHECK) that verify machines deliver the planned dose.

## Summary

Sun Nuclear, based in Melbourne, Florida, and part of Mirion Technologies, makes radiotherapy quality assurance instruments and software, including SunCHECK and ArcCHECK, that verify machines deliver the planned dose. Its products cover patient and machine QA, independent dose calculation and dosimetry hardware. OnCo links it to radiotherapy treatment planning and QA software. Whether quality assurance keeps pace with adaptive and FLASH radiotherapy, where doses change daily or are delivered in fractions of a second, is the open question for the field it serves. The treatment planning and QA page carries the wider picture.

## Fields

- Kind: Company
- Last checked: 2026-09-08
- Tags: supporting
- HQ: Melbourne, FL
- Type: devices
- Website: https://www.sunnuclear.com

## Sources

- Official website: https://www.sunnuclear.com

## Connected records

- fronts: [Radiation Therapy](https://onco.cc/fronts/radiation/)
- technologies: [Gamma probes, handheld gamma cameras and dose calibrators](https://onco.cc/technologies/gamma-probes-dose-calibrators/), [Linac, proton system and brachytherapy machine manufacturing](https://onco.cc/technologies/radiotherapy-equipment-manufacturing/), [Radiotherapy QA phantoms and dosimeters (Sun Nuclear, IBA Dosimetry, PTW)](https://onco.cc/technologies/radiotherapy-qa-phantoms-dosimeters/), [Radiotherapy treatment planning and QA software](https://onco.cc/technologies/treatment-planning-systems/)

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