JSSC 2020第11期Other

c⃝ 2020 IEEE 10 (a) (b) Proton measurement result TOPAS simulation result Fig. 15: (a) Measured total number of protons, average PW, and summation of PW for 80 seconds of beam time (b) TOPAS simulated total number of protons, average energy deposition, and total energy deposition. TABLE III: Comparison table with related state-of-the-art works. [3] [4] [5] [6] This work Sensing method Vth shift Vth shift RL/OSL Floating gate Diode Sensing area (mm 2 or mm 3) 0.3 ×0.05 0.2 ×0.2 0.5 ×0.5×2 (single rod) 0.1 ×0.08 0.512 ×0.512 Power consumption for sensing (mW) N/A (Passive) N/A (Passive) 4 (low), 16 (peak) 2 0.535

该论文提出了一种基于二极管传感方法的低功耗实时单粒子检测ASIC。

1.2V, 0.512×0.512 mm2传感面积, 0.535mW传感功耗

单粒子检测低功耗实时检测二极管传感ASIC

▸创新点1：采用二极管传感方法实现单粒子检测，首次实现了对单个带电粒子能量沉积的检测，突破了传统方法无法检测单粒子的限制，为癌症治疗中的无线体内剂量计提供了技术支持。

▸创新点2：低功耗设计，平均静态功耗仅为505µW，显著低于同类主动传感器，特别适用于无线体内剂量计等低功耗应用场景，提升了设备的续航能力。

▸创新点3：实时检测能力，能够在实时条件下检测辐射剂量，结合单粒子检测功能，为癌症治疗中的剂量监控提供了更高的精度和实时性。

▸创新点4：系统创新，首次结合了单粒子检测、低功耗和实时检测功能，实现了对布拉格峰（Bragg peak）的检测和辐射剂量真实生物效应的分析，推动了癌症治疗剂量计的进一步发展。

Abstract

d total number of protons, average energy deposition, and total energy deposition. TABLE III: Comparison table with related state-of-the-art works. [3] [4] [5] [6] This work Sensing method Vth shift Vth shift RL/OSL Floating gate Diode Sensing area (mm 2 or mm 3) 0.3 ×0.05 0.2 ×0.2 0.5 ×0.5×2 (single rod) 0.1 ×0.08 0.512 ×0.512 Power consumption for sensing (mW) N/A (Passive) N/A (Passive) 4 (low), 16 (peak) 2 0.535 Power supply (V) N/A N/A N/A 1.2 1.2 Real time? No Yes Yes Yes Yes Single partic