高性能65nm SOI技术,具有增强的晶体管应变和先进的低k BEOL

W. Lee, A. Waite, H. Nii, H. Nayfeh, V. McGahay, H. Nakayama, D. Fried, H. Chen, L. Black, R. Bolam, J. Cheng, D. Chidambarrao, C. Christiansen, M. Cullinan-Scholl, D.R. Davies, A. Domenicucci, P. Fisher, J. Fitzsimmons, J. Gill, M. Gribelyuk, D. Harmon, J. Holt, K. Ida, M. Kiene, J. Kluth, C. Labelle, A. Madan, K. Malone, P. Mclaughlin, M. Minami, D. Mocuta, R. Murphy, C. Muzzy, M. Newport, S. Panda, I. Peidous, A. Sakamoto, T. Sato, G. Sudo, H. vanMeer, T. Yamashita, H. Zhu, P. Agnello, G. Bronner, G. Freeman, S. Huang, T. Ivers, S. Luning, K. Miyamoto, H. Nye, J. Pellerin, K. Rim, D. Schepis, T. Spooner, X. Chen, M. Khare, M. Horstmann, A. Wei, T. Kammler, J. Hontschel, H. Bierstedt, H. Engelmann, A. Hellmich, K. Hempel, G. Koerner, A. Neu, R. Otterbach, C. Reichel, M. Trentsch, P. Press, K. Frohberg, M. Schaller, H. Salz, J. Hohage, H. Ruelke, J. Klais, M. Raab, D. Greenlaw, N. Kepler
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引用次数: 59

摘要

提出了一种高性能65nm SOI CMOS技术。采用双应力线性线(DSL)、嵌入式SiGe和应力记忆技术来提高晶体管的速度。该技术的先进低K BEOL具有10个布线水平,在选定的水平上具有新颖的K=2.75薄膜。该薄膜是基于二氧化硅的电介质,针对应力进行了优化,以实现集成以增强性能。由此产生的技术在200 nA/um (Vdd=1.0 V)的关断电流下提供了分别为735 muA/mum和1259 muA/mum的pet和net交流开关电流,互连延迟降低了6%。在尺寸为0.65 mum2的SRAM电池上演示了工艺产率
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High performance 65 nm SOI technology with enhanced transistor strain and advanced-low-K BEOL
A high performance 65 nm SOI CMOS technology is presented. Dual stress liner (DSL), embedded SiGe, and stress memorization techniques are utilized to enhance transistor speed. Advanced-low-K BEOL for this technology features 10 wiring levels with a novel K=2.75 film in selected levels. This film is a SiCOH-based dielectric optimized for stress to enable integration for enhanced performance. The resulting technology delivers pFET and nFET AC switching on-current of 735 muA/mum and 1259 muA/mum respectively, at an off-current of 200 nA/um (Vdd=1.0 V), and 6% reduction in interconnect delay. Process yield is demonstrated on a SRAM cell with size of 0.65 mum2
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