Development of an Intermediate Energy Heavy-Ion Micro-Beam Irradiation System

SONG Ming-Tao; SHENG Li-Na; WANG Zhi-Guang; HE Yuan; GAO Da-Qing; YANG Xiao-Tian; LIU Jie; SU Hong; MAN Kai-Di

Chinese Physics C> 2008, Vol. 32> Issue(S1) : 259-261

Development of an Intermediate Energy Heavy-Ion Micro-Beam Irradiation System

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The micro-beam irradiation system, which focuses the beam down to micron order and precisely delivers a predefined number of ions to a predefined spot of micron order, is a powerful tool for radio-biology, radio-biomedicine and micromachining. The Institute of Modern Physics of Chinese Academy of Sciences is developing a heavy-ion micro-beam irradiation system up to intermediate energy. Based on the intermediate and low energy beam provided by Heavy Ion Research Facility of Lanzhou, the micro-beam system takes the form of the magnetic focusing. The heavy-ion beam is conducted to the basement by a symmetrical achromatic system consisting of two vertical bending magnets and a quadrupole in between. Then a beam spot of micron order is formed by a magnetic triplet quadrupole of very high
gradient. The sample can be irradiated either in vacuum or in the air. This system will be the first opening platform capable of providing heavy ion micro-beam, ranging from low (10MeV/u) to intermediate energy (100MeV/u), for irradiation experiment with positioning and counting accuracy. Target material may be biology cell, tissue or other non-biological materials. It will be a help for unveiling the essence of heavy-ion interaction with matter and also a new means for exploring the application of heavy-ion irradiation.

References

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. Legge G J F. A History of Ion Microbeams. Nucl. Instrum. Methods, 1997, B130: 9-192. Folkard M, Vojnovic B, Prise K M et al. The Application of Charged-Particle Microbeams in Radiobiology. Nucl. Instrum. Methods, 2002, B188: 49-543. Randers-Pehrson G, Geard C R, Johnson G et al. The Columbia University Single-Ion Microbeam. Radiation Research, 2001, 156: 210-2144. Fischer B E, Heib M, Cholewa M. About the Art to Shoot with Single Ions. Nucl. Instrum. Methods, 2003, B210:285-2915. Metzger S, Fischer B E. Locating Radiation Sensitive Zones of Integrated Circuits Using an Ion-Microprobe. Microelectronic Engineering, 1996, 31: 41-46

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SONG Ming-Tao, SHENG Li-Na, WANG Zhi-Guang, HE Yuan, GAO Da-Qing, YANG Xiao-Tian, LIU Jie, SU Hong and MAN Kai-Di. Development of an Intermediate Energy Heavy-Ion Micro-Beam Irradiation System[J]. Chinese Physics C, 2008, 32(S1): 259-261.

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Received: 2008-01-11
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Development of an Intermediate Energy Heavy-Ion Micro-Beam Irradiation System

Corresponding author: SONG Ming-Tao,

Received Date: 2008-01-11
Accepted Date: 1900-01-01
Available Online: 2008-01-04

Abstract: The micro-beam irradiation system, which focuses the beam down to micron order and precisely delivers a predefined number of ions to a predefined spot of micron order, is a powerful tool for radio-biology, radio-biomedicine and micromachining. The Institute of Modern Physics of Chinese Academy of Sciences is developing a heavy-ion micro-beam irradiation system up to intermediate energy. Based on the intermediate and low energy beam provided by Heavy Ion Research Facility of Lanzhou, the micro-beam system takes the form of the magnetic focusing. The heavy-ion beam is conducted to the basement by a symmetrical achromatic system consisting of two vertical bending magnets and a quadrupole in between. Then a beam spot of micron order is formed by a magnetic triplet quadrupole of very high
gradient. The sample can be irradiated either in vacuum or in the air. This system will be the first opening platform capable of providing heavy ion micro-beam, ranging from low (10MeV/u) to intermediate energy (100MeV/u), for irradiation experiment with positioning and counting accuracy. Target material may be biology cell, tissue or other non-biological materials. It will be a help for unveiling the essence of heavy-ion interaction with matter and also a new means for exploring the application of heavy-ion irradiation.