针对硅基MEMS湿法深槽刻蚀技术的难点,在硅材料各向异性腐蚀特性的基础上探索了湿法工艺.对腐蚀液含量、温度、添加剂含量对刻蚀速率及表面粗糙度的影响,掩膜技术等进行了实验研究,优化得到了最佳刻蚀条件.应用该技术成功地刻蚀出深度高达330μm的深槽,为MEMS元器件的加工提供了一种参考方法.
参考文献
[1] | 黄光俊,石玉,杨杰,赵宝林,钟慧.薄膜体声波谐振器 (FBAR)的结构制备工艺研究[C].第三届全国压电和声波理论及器件技术研讨会论文集,2008:304-308. |
[2] | Park J Y;Lee H C;Lee K H.Silicon bulk micromachined FBAR filters for W-CDMA applications[A].Munich:Horizon House Publishers,2003:907. |
[3] | Calvez S;Hopkins JM;Smith SA;Clark AH;Macaluso R;Sun HD;Dawson MD;Jouhti T;Pessa M;Gundogdu K;Hall KC;Boggess TF .GaInNAs/GaAs Bragg-mirror-based structures for novel 1.3 mu m device applications[J].Journal of Crystal Growth,2004(3/4):457-465. |
[4] | 赵继德,李应良,马传龙.基于MEMS共面波导腔的带阻滤波器的设计[J].半导体技术,2005(08):34-37. |
[5] | 张正元,徐世六,刘玉奎,杨国渝,税国华.用于MEMS的硅湿法深槽刻蚀技术研究[J].微电子学,2004(05):519-521. |
[6] | Nijdam AJ.;Cuppen HM.;van Suchtelen J.;Reed ML. Gardeniers JGE.;van Enckevort WJP.;Vlieg E.;Elwenspoek M.;van Veenendaal E. .Formation and stabilization of pyramidal etch hillocks on silicon {100} in anisotropic etchants: Experiments and Monte Carlo simulation[J].Journal of Applied Physics,2001(7):4113-4123. |
[7] | 蒋玉荣 .硅基MEMS三维结构湿法腐蚀技术研究[D].武汉理工大学,2007. |
[8] | 李志伟 .(100)、(110)硅片湿法各向异性腐蚀特性研究[D].武汉理工大学,2008. |
[9] | Tanaka H;Yamashita S;Abe Y;Shikida M;Sato K .Fast etching of silicon with a smooth surface in high temperature ranges near the boiling point of KOH solution[J].Sensors and Actuators, A. Physical,2004(2/3):516-520. |
[10] | Moldovan C;Iosub R.The mechanism of anisotropic etching of silicon in a compliant alkaline system[A].Boston:IEEE,1998:353. |
[11] | Yang CR;Chen PY;Yang CH;Chiou YC;Lee RT .Effects of various ion-typed surfactants on silicon anisotropic etching properties in KOH and TMAH solutions[J].Sensors and Actuators, A. Physical,2005(1):271-281. |
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