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基板支撑梢对TFT栅界面SiN_x和a-Si成膜特性的影响
引用本文:王守坤,孙亮,郝昭慧,朱夏明,袁剑峰,林承武.基板支撑梢对TFT栅界面SiN_x和a-Si成膜特性的影响[J].液晶与显示,2012,27(5):613-617.
作者姓名:王守坤  孙亮  郝昭慧  朱夏明  袁剑峰  林承武
作者单位:北京京东方显示技术有限公司,北京,100176
摘    要:采用等离子体增强化学气相沉积法(PECVD)制得氮化硅和氢化非晶硅薄膜,对PECVD设备中基板支撑梢区域的膜质进行了研究。结果显示基板支撑梢对氮化硅薄膜的影响是:基板支撑梢区域的膜厚(沉积速率)高于非基板支撑梢区域,氢含量及SiH/NH]值高于非基板支撑梢;对氢化非晶硅薄膜的影响是:基板支撑梢区域的膜厚(沉积速率)小于非基板支撑梢区域,氢含量高于非基板支撑梢。并对成膜影响的机理进行了分析讨论。

关 键 词:等离子体增强化学气相沉积法  基撑梢  氮化硅膜  氢化非晶硅膜  傅里叶红外分析
收稿时间:2012/5/23

Pin Effect on SiN_x and a-Si Layer of Thin Film Transistor
WANG Shou-kun , SUN Liang , HAO Zhao-hui , ZHU Xia-ming , YUAN Jian-feng , LIN Cheng-wu.Pin Effect on SiN_x and a-Si Layer of Thin Film Transistor[J].Chinese Journal of Liquid Crystals and Displays,2012,27(5):613-617.
Authors:WANG Shou-kun  SUN Liang  HAO Zhao-hui  ZHU Xia-ming  YUAN Jian-feng  LIN Cheng-wu
Institution:(Process Development Department,BOE Display Technology Co.Ltd., Beijing 100176,China)
Abstract:Silicon nitride thin films(SiNx) and hydrogenated amorphous silicon(a-Si∶H)thin films were deposited by plasma enhanced chemical vapor deposition(PECVD)method.The effect of the PECVD pin on thin films was studied.The results show that SiNx thin films: thickness(dep.rate) about pin area is larger than that in no-pin area’s;hydrogen content and SiH/NH] about pin area is higher than that in no pin area’s.However,a-Si∶H thin films: thickness(dep.rate) about pin area is thinner than that in no pin area’s;hydrogen content about pin area is higher than in no pin area’s.The growth mechanism of thin films was discussed.
Keywords:PECVD  silicon nitride thin films  hydrogenated amorphous silicon(a-Si∶H)thin films  FTIR
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