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IEEE InternationalElectron Devices Meeting, 2005. IEDM Technical Digest.最新文献

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A new charge-trapping technique to extract SILC-trap time constants in SiO/sub 2/ 一种提取SiO/ sub2 /中silc阱时间常数的电荷捕获新技术
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609403
D. Ielmini, A. Spinelli, A. Lacaita, L. Chiavarone, A. Visconti
A new experimental technique for investigating the trapping-detrapping time constants for electrons at stress-induced defects in the silicon oxide is presented. The new technique is based on the gate-stress measurement for flash memories, with the application of a pulsed gate voltage. Data for 512 Kbit NOR-flash arrays are presented, and analyzed by analytical and Monte Carlo models for the trap-assisted tunneling mechanism under pulsed conditions. Comparison between experimental data and calculations for selected cells allows for an estimation of the energy and spatial depth of the oxide traps
提出了一种新的实验技术,用于研究氧化硅中应力诱导缺陷中电子的捕获-脱失时间常数。这项新技术是基于对闪存的栅极应力测量,外加脉冲栅极电压。给出了512 Kbit NOR-flash阵列的数据,并利用解析模型和蒙特卡罗模型对脉冲条件下陷阱辅助隧道机制进行了分析。对选定电池的实验数据和计算结果进行比较,可以估计氧化阱的能量和空间深度
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引用次数: 3
65nm cmos technology for low power applications 低功耗应用的65nm cmos技术
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609267
A. Steegen, R. Mo, R. Mann, M. Sun, M. Eller, G. Leake, D. Vietzke, A. Tilke, F. Guarín, A. Fischer, T. Pompl, G. Massey, A. Vayshenker, W. Tan, A. Ebert, W. Lin, W. Gao, J. Lian, J. Kim, P. Wrschka, J. Yang, A. Ajmera, R. Knoefler, Y. Teh, F. Jamin, J. Park, K. Hooper, C. Griffin, P. Nguyen, V. Klee, V. Ku, C. Baiocco, G. Johnson, L. Tai, J. Benedict, S. Scheer, H. Zhuang, V. Ramanchandran, G. Matusiewicz, Y. Lin, Y. Siew, F. Zhang, L. S. Leong, S. L. Liew, K. Park, K. Lee, D. Hong, S. Choi, E. Kaltalioglu, S.O. Kim, M. Naujok, M. Sherony, A. Cowley, A. Thomas, J. Sudijohno, T. Schiml, J. Ku, I. Yang
This paper presents a 65nm low power technology offering a dual gate oxide process, multiple Vt devices at a nominal operating voltage of 1.2V, a nine level hierarchical Cu interconnect back-end of line process with low k dielectrics and 0.676mum2 and 0.54mum 2 SRAM cells, optimized for performance and density, respectively. The key focus of this technology has been low cost, process simplicity and power reduction. A gate dielectric with an nfet leakage current as low as 15pA/mum and with exceptional reliability characteristics has been demonstrated. Moreover, competitive drive current has been achieved, 725/343muA/mum at an off current of 7nA/mum for n/pfets at nominal voltage. A pfet performance enhancement of an additional 13% at 7nA/mum off current was achieved by using mobility enhancement techniques without adding process complexity. An optimized NiSi process and high angle, low dose halo implants contribute to the reduced junction leakage and GIDL current
本文提出了一种65nm低功耗技术,提供双栅氧化工艺,标称工作电压为1.2V的多个Vt器件,具有低k介电和0.676mum2和0.54 mum2 SRAM单元的九级分层Cu互连线后端工艺,分别优化了性能和密度。该技术的重点是低成本、工艺简单和降低功耗。一种栅极电介质具有低至15pA/mum的场效应漏电流,并具有优异的可靠性特性。此外,在标称电压下,n/ pts在关闭电流为7nA/mum时实现了725/343muA/mum的竞争驱动电流。通过使用迁移率增强技术,在不增加工艺复杂性的情况下,在7nA/mum关闭电流下,fet的性能又提高了13%。优化的NiSi工艺和高角度、低剂量光晕植入物有助于减少结漏和GIDL电流
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引用次数: 44
A 65nm NOR flash technology with 0.042/spl mu/m/sup 2/ cell size for high performance multilevel application 一种65nm NOR闪存技术,电池尺寸为0.042/spl mu/m/sup 2/,适用于高性能多级应用
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609490
G. Servalli, D. Brazzelli, E. Camerlenghi, G. Capetti, S. Costantini, C. Cupeta, D. DeSimone, A. Ghetti, T. Ghilardi, P. Gulli, M. Mariani, A. Pavan, R. Somaschini
A 65nm NOR flash technology, featuring a true 10lambda2 , 0.042mum2 cell, is presented for the first time for 1bit/cell and 2bit/cell products. Advanced 193nm lithography, floating gate self aligned STI, cobalt salicide and three levels of copper metallization allow the integration with a high density and high performance 1.8V CMOS
65nm NOR闪存技术首次用于1bit/cell和2bit/cell产品,该技术具有真正的10lambda2, 0.042mum2电池。先进的193nm光刻技术,浮动栅自对准STI,钴盐化和三级铜金属化使其与高密度高性能1.8V CMOS集成
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引用次数: 24
Challenges for the DRAM cell scaling to 40nm DRAM单元扩展到40nm的挑战
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609344
W. Müller, G. Aichmayr, W. Bergner, E. Erben, T. Hecht, C. Kapteyn, A. Kersch, S. Kudelka, F. Lau, J. Luetzen, A. Orth, J. Nuetzel, T. Schloesser, A. Scholz, U. Schroeder, Alexander Sieck, Andrea Spitzer, M. Strasser, Peng Wang, S. Wege, R. Weis
This paper reviews the concepts, status and challenges for the DRAM scaling down to 40nm. The technologies that are discussed are the DRAM cell capacitor structures and materials, as well as the cell transistor structures
本文综述了DRAM缩制至40nm的概念、现状和挑战。讨论的技术是DRAM单元电容器结构和材料,以及单元晶体管结构
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引用次数: 87
High density silicon nanocrystal embedded in sin prepared by low energy (<500eV) SiH/sub 4/ plasma immersion ion implantation for non-volatile memory applications 采用低能量(<500eV) SiH/sub - 4/等离子体浸没离子注入法制备高密度硅纳米晶体,用于非易失性存储
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609296
Sangmoo Choi, Hyejung Choi, Tae-Wook Kim, Hyundeok Yang, Takhee Lee, S. Jeon, Chungwoo Kim, H. Hwang
We report on the excellent memory properties of silicon nanocrystals (Si-NCs) embedded in SiN. Si-NCs were formed by SiH4 low-energy plasma immersion ion implantation. Compared with control Si+-implanted sample, additional hydrogen enhanced Si-NC density. By incorporating Si-NCs in SiN, improved program/erase efficiency, endurance and retention characteristics were observed due to the generation of additional accessible deep charge traps. Using conductive atomic force microscopy and MIS device with gate area of 100 nm, charge trapping/detrapping and multi-level charge storage of single Si-NC at room temperature were observed
我们报道了硅纳米晶体(Si-NCs)嵌入在硅中具有优异的存储性能。采用SiH4低能等离子体浸没离子注入制备了Si-NCs。与注入Si+的对照样品相比,添加氢可以提高Si- nc密度。通过将Si-NCs加入到SiN中,由于产生了额外的可访问的深电荷陷阱,可以观察到改进的程序/擦除效率,耐久性和保留特性。利用导电原子力显微镜和栅极面积为100 nm的MIS器件,观察了单Si-NC在室温下的电荷捕获/去捕获和多级电荷存储
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引用次数: 14
High frequency power LDMOS technologies for base station applications status, potential, and benchmarking 高频功率LDMOS技术在基站中的应用现状、潜力和基准测试
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609351
G. Ma, Qiang Chen, O. Tornblad, Tao Wei, C. Ahrens, R. Gerlach
LDMOS technologies based in G. Ma et al. (1996) and H. Brech et al. (2003) have been in dominate position in wireless base station applications for frequencies ranging from 450MHz to 2.7GHz for the last 10 years due to performance, cost, reliability, and power capability advantages. This paper reviews the leading edge LDMOS development at Infineon and discusses future potential and limitation for LDMOS technologies in general; benchmarking with alternative technologies is also presented
基于G. Ma等人(1996)和H. Brech等人(2003)的LDMOS技术,由于性能、成本、可靠性和功率能力优势,在过去10年里,在450MHz至2.7GHz频率范围内的无线基站应用中占据主导地位。本文回顾了英飞凌领先的LDMOS发展,并讨论了LDMOS技术的未来潜力和局限性;还介绍了替代技术的基准测试
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引用次数: 18
A novel NAND-type MONOS memory using 63nm process technology for multi-gigabit flash EEPROMs 一种新型的nand型MONOS存储器,采用63nm工艺技术用于多千兆闪存eeprom
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609341
Yoocheol Shin, Jungdal Choi, Chang-seok Kang, Changhyun Lee, Ki-Tae Park, Jang‐Sik Lee, Jongsun Sel, V. Kim, Byeongin Choi, J. Sim, Dongchan Kim, Hag-ju Cho, Kinam Kim
A NAND-type MONOS device has been successfully developed by breakthrough technologies including optimized cell structures and integration schemes providing favorable memory cell structures and peripheral circuits. In this study, optimized TANOS (TaN-Al2O 3-nitride-oxide- silicon) cells integrated using 63nm NAND flash technology showed high performance compatible to floating-gate (FG) cell. The newly-developed TANOS-NAND flash technology proved to be a promising candidate to replace FG memory beyond 50nm technology
通过优化单元结构和集成方案等突破性技术,成功开发了nand型MONOS器件,提供了良好的存储单元结构和外围电路。在本研究中,使用63nm NAND闪存技术集成的优化TANOS (TaN-Al2O -氮氧化物-硅)电池显示出与浮栅(FG)电池的高性能兼容。新开发的TANOS-NAND闪存技术被证明是替代50纳米以上FG存储器的有希望的候选技术
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引用次数: 65
35 nm floating gate planar MOSFET memory using double junction tunneling 采用双结隧道的35nm浮栅平面MOSFET存储器
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609491
R. Ohba, Y. Mitani, N. Sugiyama, S. Fujita
It is shown that, for 35 nm gate length, a silicon nitride trap memory using double junction tunneling can retain more than 4 decades memory window for 10 years in less than 9 volts w/e voltage, where 1E+6 w/e cycle endurance is attained simultaneously. This is due to Coulomb blockade and quantum confinement in Si nanocrystals lying between double tunnel oxides, and further improvement is possible by Si nanocrystal scaling. Therefore, the double junction tunneling SiN memory is an excellent candidate for less than 35nm region future memory
结果表明,对于35 nm栅极长度,采用双结隧道的氮化硅陷阱存储器可以在低于9伏w/e的电压下保持超过40年的记忆窗口10年,同时获得1E+6 w/e的循环寿命。这是由于位于双隧道氧化物之间的Si纳米晶体中的库仑封锁和量子限制,并且通过Si纳米晶体缩放可以进一步改善。因此,双结隧穿式SiN记忆体是未来小于35nm区域记忆体的理想选择
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引用次数: 1
Excellent resistance switching characteristics of Pt/SrTiO/sub 3/ schottky junction for multi-bit nonvolatile memory application Pt/SrTiO/sub - 3/肖特基结具有优异的电阻开关特性,可用于多位非易失性存储器
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609464
H. Sim, Hyejung Choi, Dongsoo Lee, M. Chang, Dooho Choi, Y. Son, Eun-Hong Lee, Wonjoo Kim, Yoondong Park, I. Yoo, H. Hwang
We have investigated single crystal Nb-doped SrTiO3 in terms of its potential utility in nonvolatile memory applications. Compared with polycrystalline oxide (Nb2O5, ZrO x and Cr-SrTiO3), the Pt/single crystal Nb:SrTiO 3 Schottky junction exhibits excellent memory characteristics including uniformity of set/reset bias, die-to-die reproducibility, data retention at high temperature, reliability under cycle stress, and multi-bit operation characteristics. The switching mechanism might be explained by modulation of the Schottky barrier height by charge trapping at the interface
我们研究了单晶nb掺杂SrTiO3在非易失性存储器应用中的潜在用途。与多晶氧化物(Nb2O5, ZrO x和Cr-SrTiO3)相比,Pt/单晶Nb: srtio3肖特基结具有优异的记忆特性,包括设置/复位偏置均匀性,模对模再现性,高温下的数据保留性,循环应力下的可靠性和多比特操作特性。这种开关机制可以用界面电荷捕获对肖特基势垒高度的调制来解释
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引用次数: 46
Fabrication and characterization of CMOSFETs on porous silicon for novel device layer transfer 用于新型器件层转移的多孔硅cmosfet的制备和表征
Pub Date : 2005-12-05 DOI: 10.1109/IEDM.2005.1609442
H. Sanda, J. Mcvittie, M. Koto, K. Yamagata, T. Yonehara, Y. Nishi
To develop a new device layer transfer technology with porous layer splitting, CMOS FETs were successfully fabricated on epitaxial layers with different thicknesses over porous silicon for the first time. FETs on more than 300nm thick epitaxial films show satisfactory electrical performance. A fabricated active layer was successfully transferred on a flexible plastic substrate for the first time. Transferred devices also show excellent performance. This technology is applicable to flexible single crystal ICs and to thermal cooling of active layers
本文首次在多孔硅表面不同厚度的外延层上成功地制备了CMOS场效应管,以开发一种新的多孔层分裂器件层转移技术。在超过300nm厚的外延薄膜上,fet表现出令人满意的电性能。首次成功地将制备的有源层转移到柔性塑料衬底上。转移的器件也表现出优异的性能。该技术适用于柔性单晶集成电路和有源层的热冷却
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引用次数: 9
期刊
IEEE InternationalElectron Devices Meeting, 2005. IEDM Technical Digest.
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