【摘要】 叙述了用平面工艺技术制备大面积Si带电粒子探测器的工艺方法。为了减小探测器的漏电流,采用了表面钝化技术。文章分别给出了厚度300μm、灵敏区直径20mm以及厚度500μm、灵敏区直径40mm探测器在室温下漏电流测量结果,以及探测器在室温条件下对241Am 5.486MeVα粒子的能谱响应测量结果。更多还原

【Abstract】 This paper describes the processing method of large area Si detectors fabricated by planar technology for charged particles.In order to decrease the detectors’ leakage current,the surface passivation technique was used.The paper gives the measurement results of the leakage current of 300μm thick,20mm diameter detectors and 500μm thick,40mm diameter detectors respectively.The spectra of the detectors for 241Am 5.486MeV α particles are also provided at room temperature.更多还原