中国激光, 2002, 29 (3): 286, 网络出版: 2006-08-08  

对硅片进行无抗蚀膜光化学蚀刻的一种新方法

A New Method of Resistless Photochemical Etching for Silicon Wafer
作者单位
1 中山大学超快速激光光谱学国家重点实验室,广东广州,510275
2 东海大学工学部电气工学科,日本,259-1292
摘要
研究了一种在硅片上进行无抗蚀膜光化学蚀刻的新方法,使用过氧化氢(H2O2)和氟酸(HF)作为光化学媒质,使用ArF紫外激光作为光源,无需事先加工抗蚀膜,可直接在硅表面进行蚀刻.在H2O2与HF的浓度比为1.3时,蚀刻效果最佳,当激光能量密度为29 mJ/cm2, 照射脉冲数为10000次时,得到210 nm的蚀刻深度.
Abstract
A new method of resistless photochemical etching for silicon wafer is developed, which is using hydrogen peroxide (H 2O 2) and hydrogen fluoride (HF) as activated species, ArF ultraviolet laser as a photon source. Silicon wafer can be directly etched without photo-resists. When the concentration ratio of H 2O 2/HF is 1.3, the optimized etching was found. At the energy density of 29 mJ/cm 2 as well as the shot numbers of 10000, the maximum etching depth of 210 nm was obtained.
参考文献

[1] T. Hayakawa, T. Suzuki, T. Uesugi et al.. Mechanism of residue formation in silicon trench etching using a bromine-based plasma [J]. Jpn. J. Appl. Phys., 1998, 37(Part 1, 1):5~9

[2] K. Tachimana, H. Kamisugi, T. Kawasaki. Behavior of F atoms and CF2 radicals in fluorocarbon plasmas for SiO2/Si etching [J]. Jpn. J. Appl. Phys., 1999, 38(Part 1, 7B):4367~4372

[3] . R. Rakhshandehroo, J. W. Weigold, W.-C. Tian et al.. Dry etching of Si field emitters and high aspect ratio resonators using an inductively coupled plasma source[J]. J. Vac. Sci. Tech. B, 1998, 16(5): 2849-2854.

[4] . H. Yun, V. A. Burrows, M. N. Kozicki. Analysis of KOH etching of (100) silicon on insulator for the fabrication of nanoscale tips[J]. J. Vac. Sci. Tech. B, 1998, 16(5): 2844-2848.

[5] . B. Goetting, T. Deng, G. M. Whitesides. Microcontact printing of alkanephosphonic acids on aluminum: Pattern transfer by wet chemical etching[J]. Langmuir, 1999, 15(4): 1182-1191.

杨杰, 刘焰发, 村原正隆. 对硅片进行无抗蚀膜光化学蚀刻的一种新方法[J]. 中国激光, 2002, 29(3): 286. 杨杰, 刘焰发, 村原正隆. A New Method of Resistless Photochemical Etching for Silicon Wafer[J]. Chinese Journal of Lasers, 2002, 29(3): 286.

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!