Publication

A Radiation-Tolerant, high performance SPAD for SiPMs implemented in CMOS technology

Edoardo Charbon, Myung Jae Lee
2017
Conference Papers

Abstract

We investigate the radiation effects on single-photon avalanche diodes (SPADs) fabricated in CMOS technology. For this investigation, a high-performance SPAD based on a vertical p-i-n construction with buried-N layer is proposed and used for the characterization. It retains good performance in terms of dark counts and photon detection probability upon irradiation doses from 10k Rad(Si) to 50k Rad(Si), with a slight increase of dark count rates and stable dark current, breakdown voltage, and sensitivity. This feature makes our device especially suitable to be integrated in SiPMs for applications in radiation-rich environments, where high radiation tolerance and low noise are essential.

Official source

https://infoscience.epfl.ch/entities/publication/2ae698f5-04cf-4eae-b4bf-a7a4d6136aba

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Edoardo Charbon, Myung Jae Lee
2017
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/2ae698f5-04cf-4eae-b4bf-a7a4d6136aba

About this result

Related concepts (32)

Radiation hardening

Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation (particle radiation and high-energy electromagnetic radiation), especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

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Radiation therapy or radiotherapy, often abbreviated RT, RTx, or XRT, is a therapy using ionizing radiation, generally provided as part of cancer treatment to control or kill malignant cells and normally delivered by a linear accelerator. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body. It may also be used as part of adjuvant therapy, to prevent tumor recurrence after surgery to remove a primary malignant tumor (for example, early stages of breast cancer).

Irradiation

Irradiation is the process by which an object is exposed to radiation. An irradiator is a device used to expose an object to radiation, notably gamma radiation, for a variety of purposes. Irradiators may be used for sterilizing medical and pharmaceutical supplies, preserving foodstuffs, alteration of gemstone colors, studying radiation effects, eradicating insects through sterile male release programs, or calibrating thermoluminescent dosimeters (TLDs). The exposure can originate from various sources, including natural sources.

Related publications (32)

A Radiation-Tolerant, high performance SPAD for SiPMs implemented in CMOS technology

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