Radiation hardening: Difference between revisions

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Techniques to make electronic components resistant to radiation damage

Radiation hardening

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Radiation hardening is the process of making electronic components and systems resistant to damage or malfunctions caused by ionizing radiation such as particle radiation and electromagnetic radiation, particularly at high-energy levels. This is crucial for satellites, spacecraft, nuclear power plants, and military applications where electronics are exposed to high levels of radiation.

Overview[edit]

Radiation can cause various types of damage to electronic components, including single-event upsets (SEUs), total ionizing dose (TID) effects, and displacement damage. Radiation hardening involves designing and testing components to ensure they can withstand these effects.

Techniques[edit]

Several techniques are used in radiation hardening:

Material selection: Using materials that are inherently resistant to radiation, such as silicon on insulator (SOI) technology.
Design techniques: Implementing redundancy and error correction codes to mitigate the effects of radiation-induced errors.
Shielding: Using physical barriers to protect components from radiation exposure.
Process technology: Developing specialized manufacturing processes that enhance radiation tolerance.

Applications[edit]

Radiation-hardened components are essential in:

Space exploration: Protecting satellites and spacecraft from cosmic rays and solar radiation.
Military: Ensuring the reliability of nuclear weapons and defense systems in radiation-rich environments.
Nuclear power: Safeguarding control systems in nuclear reactors.

Challenges[edit]

The main challenges in radiation hardening include:

Cost: Radiation-hardened components are typically more expensive to produce.
Performance: There can be trade-offs between radiation hardness and performance metrics such as speed and power consumption.

References[edit]

External links[edit]

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@@ Line 1: / Line 1: @@
-{{Infobox technology
-| name = Radiation hardening
-| image = Radiation_hardening.jpg
-| caption = A radiation-hardened microprocessor
-| inventor = [[Bell Labs]]
-| year = 1959
-| type = [[Electronics]]
-| industry = [[Aerospace]], [[Nuclear power]], [[Military]]
-}}
-'''Radiation hardening''' is a technique used in the field of electronics to make electronic components and systems resistant to damage caused by ionizing radiation. Ionizing radiation, such as that emitted by nuclear reactors, space environments, and high-altitude aircraft, can cause disruptions and failures in electronic devices. Radiation hardening ensures the reliability and functionality of electronic systems in such harsh radiation environments.
+{{Short description|Techniques to make electronic components resistant to radiation damage}}
+{{Use dmy dates|date=October 2023}}
+{{Infobox technology}}
-== History ==
+'''Radiation hardening''' is the process of making electronic components and systems resistant to damage or malfunctions caused by [[ionizing radiation]] such as [[particle radiation]] and [[electromagnetic radiation]], particularly at high-energy levels. This is crucial for [[satellite]]s, [[spacecraft]], [[nuclear power plant]]s, and [[military]] applications where electronics are exposed to high levels of radiation.
-The concept of radiation hardening was first introduced by [[Bell Labs]] in 1959. At that time, the primary focus was on developing radiation-hardened transistors for use in military and space applications. Over the years, the techniques and technologies used for radiation hardening have evolved significantly, keeping pace with advancements in electronics.
-== Techniques ==
+==Overview==
-There are two main approaches to radiation hardening: [[hardening by design]] and [[hardening by process]].
+Radiation can cause various types of damage to electronic components, including [[single-event upset]]s (SEUs), [[total ionizing dose]] (TID) effects, and [[displacement damage]]. Radiation hardening involves designing and testing components to ensure they can withstand these effects.
-'''Hardening by design''' involves designing electronic components and systems in such a way that they can withstand the effects of radiation. This includes using radiation-tolerant materials, implementing redundant circuitry, and incorporating error detection and correction mechanisms. By designing components to be inherently resistant to radiation, the overall system becomes more robust.
+==Techniques==
+Several techniques are used in radiation hardening:
-'''Hardening by process''' involves modifying the manufacturing process of electronic components to make them more resistant to radiation. This can include using specialized fabrication techniques, such as silicon-on-insulator (SOI) technology, which reduces the susceptibility of transistors to radiation-induced failures. Process-level radiation hardening techniques are often used in combination with design-level techniques to achieve the desired level of radiation resistance.
+* '''Material selection''': Using materials that are inherently resistant to radiation, such as [[silicon on insulator]] (SOI) technology.
+* '''Design techniques''': Implementing [[redundancy]] and [[error correction]] codes to mitigate the effects of radiation-induced errors.
+* '''Shielding''': Using physical barriers to protect components from radiation exposure.
+* '''Process technology''': Developing specialized manufacturing processes that enhance radiation tolerance.
-== Applications ==
+==Applications==
-Radiation hardening is crucial in various industries where electronic systems are exposed to high levels of radiation. Some of the key applications include:
+Radiation-hardened components are essential in:
-=== Aerospace ===
+* [[Space exploration]]: Protecting [[satellite]]s and [[spacecraft]] from cosmic rays and solar radiation.
-In the aerospace industry, radiation hardening is essential for electronic systems used in satellites, spacecraft, and high-altitude aircraft. These systems are exposed to intense radiation from cosmic rays and solar flares, which can cause disruptions and failures if not adequately protected.
+* [[Military]]: Ensuring the reliability of [[nuclear weapon]]s and [[defense systems]] in radiation-rich environments.
+* [[Nuclear power]]: Safeguarding control systems in [[nuclear reactors]].
-=== Nuclear power ===
+==Challenges==
-Radiation hardening is critical in the field of nuclear power, where electronic systems are exposed to radiation from nuclear reactors. Failure of these systems can have severe consequences, including safety hazards and potential nuclear accidents. Radiation-hardened components ensure the reliable operation of control systems and safety mechanisms in nuclear power plants.
+The main challenges in radiation hardening include:
-=== Military ===
+* '''Cost''': Radiation-hardened components are typically more expensive to produce.
-The military relies heavily on electronic systems for communication, surveillance, and weapon systems. These systems are often deployed in harsh environments, including nuclear warfare scenarios. Radiation hardening is essential to ensure the functionality and resilience of military electronics in such extreme conditions.
+* '''Performance''': There can be trade-offs between radiation hardness and performance metrics such as speed and power consumption.
-== Future Developments ==
+==See also==
-As technology continues to advance, the need for radiation-hardened electronics will persist. With the increasing use of electronics in space exploration, deep-sea exploration, and other radiation-prone environments, there is a growing demand for more efficient and effective radiation hardening techniques.
+* [[Radiation testing]]
+* [[Radiation protection]]
+* [[Space environment]]
-Researchers are exploring new materials and technologies that can provide enhanced radiation resistance. This includes the development of radiation-tolerant integrated circuits, advanced packaging techniques, and novel fabrication processes. Additionally, advancements in simulation and modeling tools allow for more accurate prediction and evaluation of radiation effects on electronic systems.
+==References==
+{{Reflist}}
-== See also ==
+==External links==
-* [[Radiation effects on electronics]]
+* [https://www.nasa.gov NASA Radiation Hardening]
-* [[Radiation hardening by software]]
+* [https://www.militaryaerospace.com Military Aerospace Radiation Hardening]
-* [[Radiation-hardened microprocessor]]
-* [[Space radiation effects on electronics]]
-== References ==
-{{Reflist}}
-[[Category:Electronics]]
+[[Category:Radiation effects on electronics]]
-[[Category:Radiation protection]]
 [[Category:Spacecraft components]]
 [[Category:Military technology]]
+[[Category:Nuclear technology]]
+<gallery>
+File:1886VE10-HD.jpg|1886VE10-HD
+File:1886VE10-Si-HD.jpg|1886VE10-Si-HD
+</gallery>