Single Particles Irradiating Scattergrams of China Map Profile Etched on CR-39 Film

ZHANG Jun; WANG Xu-Fei; HU Zhi-Wen; CHEN Lian-Yun; WANG Xiao-Hua; LI Jun; CHEN Bin; HU Su-Hua; XU Ming-Liang; WU Li-Jun; YU Zeng-Liang

Chinese Physics C> 2005, Vol. 29> Issue(7) : 713-716

Single Particles Irradiating Scattergrams of China Map Profile Etched on CR-39 Film

Key Laboratory of Ion Beam Bioengineering,Institute of Plasma Physics,CAS,Hefei 230031,China

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High resolution scattergrams of China map profile are etched on the CR-39 film within a small area of hundreds of microns×hundreds of microns by the AS-LIBB single proton microbeam, according to the coordinates of the standard images, which are acquired by the home-developed image-processing program. The testing results show that the single particle detection efficiency for this facility is over 98%, and the target-positioning accuracy is within 3mm. Moreover, the near-path traversing algorithm for stage control is optimal for irradiating scattergrams of picture profile, and the dots on CR-39 film for the measured results and the expected values are quite identical. Therefore, this single particle irradiation system meets to the demands of etching micron-dimensional pictures on CR-39 film in dot manner with single particles and the needs of the biological cell irradiation experiments.

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ZHANG Jun, WANG Xu-Fei, HU Zhi-Wen, CHEN Lian-Yun, WANG Xiao-Hua, LI Jun, CHEN Bin, HU Su-Hua, XU Ming-Liang, WU Li-Jun and YU Zeng-Liang. Single Particles Irradiating Scattergrams of China Map Profile Etched on CR-39 Film[J]. Chinese Physics C, 2005, 29(7): 713-716.

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Received: 2004-04-27
Revised: 2004-06-07

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Single Particles Irradiating Scattergrams of China Map Profile Etched on CR-39 Film

Corresponding author: ZHANG Jun,

Key Laboratory of Ion Beam Bioengineering,Institute of Plasma Physics,CAS,Hefei 230031,China

Received Date: 2004-04-27

Accepted Date: 2004-06-07

Available Online: 2005-07-05

Abstract: High resolution scattergrams of China map profile are etched on the CR-39 film within a small area of hundreds of microns×hundreds of microns by the AS-LIBB single proton microbeam, according to the coordinates of the standard images, which are acquired by the home-developed image-processing program. The testing results show that the single particle detection efficiency for this facility is over 98%, and the target-positioning accuracy is within 3mm. Moreover, the near-path traversing algorithm for stage control is optimal for irradiating scattergrams of picture profile, and the dots on CR-39 film for the measured results and the expected values are quite identical. Therefore, this single particle irradiation system meets to the demands of etching micron-dimensional pictures on CR-39 film in dot manner with single particles and the needs of the biological cell irradiation experiments.

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Single Particles Irradiating Scattergrams of China Map Profile Etched on CR-39 Film

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