半导体光电, 2015, 36 (6): 951, 网络出版: 2016-01-22  

PECVD制备非晶硅薄膜的均匀性控制方法研究

Study on Uniformity Control of Amorphous Silicon Thin Films by PECVD
作者单位
1 电子科技大学 光电信息学院, 成都 610054
2 成都言伯科技有限公司,成都 610031
摘要
针对用于制备非晶硅薄膜的PECVD设备反应室的流体场进行了模拟仿真,并实验制备了相对应条件下的非晶硅薄膜,利用台阶仪完成了对薄膜厚度的测量,对比仿真结果,发现薄膜的厚度分布情况与基片表面附近的气流分布情况密切相关,获得均匀性优于2.5%非晶硅薄膜。
Abstract
The reaction chamber of PECVD equipment was simulated by using Fluent software and amorphous silicon thin films were prepared by PECVD. The film thickness was measured by step apparatus, and by comparing with the simulation results, it indicates that the thickness distribution and airflow distribution of the substrate surface near the film is closely related, and the intake flow of the reaction is positively correlated with the chamber deposition rate. The amorphous silicon thin films with the uniformity higher than 2.5% were obtained.

陈德军, 刘爽, 刘永, 何存玉, 尹潘薇. PECVD制备非晶硅薄膜的均匀性控制方法研究[J]. 半导体光电, 2015, 36(6): 951. CHEN Dejun, LIU Shuang, LIU Yong, HE Cunyu, YIN Panwei. Study on Uniformity Control of Amorphous Silicon Thin Films by PECVD[J]. Semiconductor Optoelectronics, 2015, 36(6): 951.

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