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北京京东方光电科技有限公司, 北京 100176
[ "蒋会刚(1987-), 男, 黑龙江牡丹江人, 毕业于北京工商大学, 本科生, 现就职于BOEOT, 高级工程师, 主要从事TFT-LCD干法刻蚀相关工作." ]
[ "高建剑(1987-), 男, 山西阳泉人, 毕业于北京化工大学, 本科生, 现就职于BOEOT, 高级工程师, 主要从事TFT-LCD干法刻蚀相关工作, E-mail:gaojianjian@boe.com.cn" ]
[ "王晏酩(1981-), 男, 北京人, 毕业于北京大学, 本科生, 现就职于BOEOT, 资深高级工程师, 主要从事TFT-LCD刻蚀相关工作, E-mail:wangyanming@boe.com.cn" ]
[ "赵海生(1981-), 男, 辽宁北票人, 毕业于中国石油大学, 本科生, 现就职于BOEOT, 资深高级工程师, 主要从事TFT-LCD阵列检测相关工作, E-mail:zhaohaisheng@boe.com.cn" ]
[ "王辉(1981-), 男, 北京人, 毕业于北京工业大学, 本科生, 现就职于BOEOT, 资深高级工程师, 主要从事TFT-LCDArray相关工作, E-mail:wanghui_ot@boe.com.cn" ]
[ "吴超(1982-), 男, 吉林双辽人, 毕业于中南大学, 本科生, 现就职于BOEOT, 高级工程师, 主要从事TFT-LCD生产工作, E-mail:wuchao_ot@boe.com.cn" ]
收稿日期:2017-03-08,
录用日期:2017-4-10,
纸质出版日期:2017-07-05
移动端阅览
蒋会刚, 高建剑, 王晏酩, 等. RIE模式干法刻蚀ADS产品铝腐蚀改善研究[J]. 液晶与显示, 2017,32(7):518-525.
Hui-gang JIANG, Jian-jian GAO, Yan-ming WANG, et al. Improvement of aluminum corrosion of ADS products by RIE etching mode dry etching[J]. Chinese journal of liquid crystals and displays, 2017, 32(7): 518-525.
蒋会刚, 高建剑, 王晏酩, 等. RIE模式干法刻蚀ADS产品铝腐蚀改善研究[J]. 液晶与显示, 2017,32(7):518-525. DOI: 10.3788/YJYXS20173207.0518.
Hui-gang JIANG, Jian-jian GAO, Yan-ming WANG, et al. Improvement of aluminum corrosion of ADS products by RIE etching mode dry etching[J]. Chinese journal of liquid crystals and displays, 2017, 32(7): 518-525. DOI: 10.3788/YJYXS20173207.0518.
Full-in-cell(FIC)产品信号线SD层结构为Mo-Al-Mo结构,使用Reactive Ion Etching(RIE)模式干法刻蚀设备进行N+ Etch时,氯的化合物会吸附在信号线中的Al线侧壁及光刻胶的表面,当玻璃基板离开刻蚀腔体接触到空气,遇到水分发生水解反应,对Al线造成腐蚀,严重影响产品特性。本文在RIE刻蚀模式腔体内采用刻蚀条件变更改善Al腐蚀现象,通过对刻蚀的前处理步骤,后处理步骤以及去静电步骤的参数包括压强、功率和时间以及气体流量比进行实验设计并对数据进行分析。实验结果表明当后处理步骤2 000 W,O
2
/SF
6
比例为2 000 mL·min
-1
/50 mL·min
-1
压强为200 mt(1 mt=0.133 Pa),Time为15 s为最优条件,可以彻底改善Al腐蚀现象。此条件TFT特性方面更加优越,Dark
I
on
为1.91
μ
A,Photo
I
off
为4.1 pA。
Full-in-cell (FIC) product signal line SD-layer is Mo-Al-Mo structure
when using Reactive Ion Etching (RIE) mode dry etching device for N + etching
the chlorine compounds absorbed on the side wall surface of the Al and photoresist line
when the glass substrate is etched away from the chamber exposed to air
the moisture encountered hydrolysis reaction
which will cause corrosion of Al wire and seriously affect the product characteristics. In this paper
the Al etching phenomenon is improved by changing the etching conditions in the RIE etching mode cavity. Related experimental design and data analysis of the parameters of the pretreatment step
the post-treatment step and the de-static step including the pressure
power and time and the gas ratio is discussed. The experimental results show that the Al corrosion can be improved when the post-treatment step is 2 000 W
the ratio of O
2
/SF
6
is 2 000 mL·min
-1
/50 mL·min
-1
the pressure is 200 mt and the time is 15 s. This condition is more advantageous in terms of TFT characteristics
Dark
I
on
is 1.91
μ
A
Photo
I
off
is 4.1 pA.
陈亮, 亢勇, 赵德刚, 等. Cl 2 /Ar/BCl 3 ICP刻蚀对AlGaN的损伤研究[J].固体电子学研究与进展, 2008, 28(3):420-423.
CHEN L, KANG Y, ZHAO D G, et al . CI 2 /Ar/BCl 3 inductively coupled plasma-induced etch damage of AIGaN [J]. Research & Progress of Solid State Electronics , 2008, 28(3): 420-423. (in Chinese)
李涛, 冯海涛, 李晓刚, 等. 2A12铝合金在含Cl-环境中的腐蚀行为和规律研究[J].材料科学与工艺, 2011, 19(3):43-48.
LI T, FENG H T, LI X G, et al . Corrosion behavior of2A12aluminumalloy inCl-containing solution [J]. Materials Science and Technology , 2011, 19(3): 43-48. (in Chinese)
贾瑞灵, 翟熙伟, 严川伟. Cl-浓度对镁-铝合金β相模型合金腐蚀电化学行为的影响[J].腐蚀科学与防护技术, 2010, 22(6):474-478.
JIA R L, ZHAI X W, YAN C W. Influence of Cl-concentration on corrosion behavior of a model β-phase magnesium-aluminum alloy[J]. Corrosion Science and Protection Technology , 2010, 22(6): 474-478. (in Chinese)
劉聖烈, 崔螢石, 金奉柱, 等.用Al或Mo/Al/Mo低阻材料改善4-Mask工艺中Al腐蚀的方法(英文)[J].液晶与显示, 2006, 21(5):501-505.
YOO S Y, CHOI H S, KIM B J, et al . Preventing method of Al corrosion for applying improved 4-mask with low resistance material Al or Mo/Al/Mo [J]. Chinese Journal of Liquid Crystals and Displays , 2006, 21(5): 501-505.
付玉霞, 刘志弘, 刘荣华, 等.铝-RIE刻蚀工艺[J].半导体情报, 2000, 37(5):37-40.
FU Y X, LIU Z H, LIU R H, et al . Process of Al-reactiveionetching[J]. Semiconductor Information , 2000, 37(5): 37-40. (in Chinese)
李希有, 周卫, 张伟, 等. Al-Si合金RIE参数选择[J].半导体技术, 2004, 29(11):19-21.
LIXY, ZHOU W, ZHANG W, et al . Reactive ion etching of Al-Si alloy: select etching parameters[J]. Semiconductor Technology , 2004, 29(11): 19-21. (in Chinese)
来五星, 廖广兰, 史铁林, 等.反应离子刻蚀加工工艺技术的研究[J].半导体技术, 2006, 31(6):414-417.
LAI W X, LIAO G L, SHI T L, et al . Study of reaction ion etching processing technique[J]. Semiconductor Technology , 2006, 31(6): 414-417. (in Chinese)
汪梅林, 汪永安.化学干法刻蚀在TFT-LCD工艺中的应用[J].现代显示, 2016(12):61-63.
WANG M L, WANG Y A. The application of CDE in TFT-LCD process [J]. Advanced Display , 2016(12): 61-63. (in Chinese)
程正喜, 郭育林, 周嘉. SF 6 /O 2 气氛下Al对反应离子刻蚀Si的增强作用机理研究[J].微细加工技术, 2007(1)::56-59.
CHENG Z X, GUO Y L, ZHOU J. Study on mechanism of Al-enhanced etching of silicon by reactive ions in SF6/O2 environment[J]. Microfabrication Technology , 2007(1): 56-59. (in Chinese)
蒋会刚, 肖红玺, 王晏酩. TFT-LCD高温光照漏电流改善研究[J].液晶与显示, 2016, 31(3):283-289.
JIANG H G, XIAO H X, WANG Y M. Improvement In TFT-LCD High temperature and light leakage current[J]. Chinese Journal of Liquid Crystals and Displays , 2016, 31(3): 283-289. (in Chinese)
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