Chenguang ZHANG, Heng AN, Shengsheng YANG, et al. Experimental study on single event effects for CMOS APS with heavy ions[J]. Nuclear techniques, 2018, 41(11): 110501
DOI:
Chenguang ZHANG, Heng AN, Shengsheng YANG, et al. Experimental study on single event effects for CMOS APS with heavy ions[J]. Nuclear techniques, 2018, 41(11): 110501 DOI: 10.11889/j.0253-3219.2018.hjs.41.110501.
Experimental study on single event effects for CMOS APS with heavy ions
基于新型互补金属氧化物半导体有源像素传感器(Complementary Metal Oxide Semiconductor Active Pixel Sensor,CMOS APS)光电器件的内部结构特点,分析了重离子对CMOS APS光电器件的影响,以及CMOS APS光电器件的单粒子效应敏感性。结合CMOS APS光电器件的结构特点和辐射影响分析,形成了基于监测数据逻辑状态和图像"白点"相结合的测试方法。在此基础上,利用重离子加速器进行了单粒子效应模拟试验。试验结果表明:当重离子线性能量传输(Linear Energy Transition,LET)低于9.01 MeV·cm
Complementary Metal Oxide Semiconductor Active Pixel Sensor (CMOS APS) photoelectric device is widely used in satelite applications with radiation exposure.
Purpose
2
This study aims at the radiation effects of heavy ions on CMOS APS photoelectric devices and the sensitivity of single event effects.
Methods
2
The internal structure characteristics and radiation effect of CMOS APS were analyzed
and a test method based on the combination of monitoring data logic state and image "white point" was formed. Then
a single event effects simulation experiment was carried out using heavy ion accelerator.
Results & Conclusion
2
The results show that the pixel array is not disturbed when linear energy transition (LET) of heavy ion is below 9.01 MeV·cm
2
·mg
-1
only the charge is accumulated in the pixel array. Heavy ion LET corresponding to single event upset (SEU) saturation cross section is 42.0 MeV·cm
2
·mg
-1
.
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references
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