2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits最新文献

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Influence of cooling on the performance of Silicon solar cells 冷却对硅太阳能电池性能的影响
Y.F. Wang, W. Wu, P. Li, L. Zhang, Z. Ma
{"title":"Influence of cooling on the performance of Silicon solar cells","authors":"Y.F. Wang, W. Wu, P. Li, L. Zhang, Z. Ma","doi":"10.1109/IPFA.2009.5232567","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232567","url":null,"abstract":"Cooling was a very effective way to eliminate the bow of Silicon solar cell. In this paper, by a series of experiments, we found that during the cooling, the electrical characteristics and internal or external quantum efficiency nearly stayed the same, and the lifetime of minority carriers as well. The cooling was a available way to apply in industrial process.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121141182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A high-G silicon carbide vertical capacitive micromachined accelerometer 高g碳化硅垂直电容式微机械加速度计
Ting-Pin Yang, Guosheng Sun, Y. Zhao, Jin Ning, Xingfang Liu, Lei Wang, Wanshun Zhao, Yiping Zeng, Jinmin Li
{"title":"A high-G silicon carbide vertical capacitive micromachined accelerometer","authors":"Ting-Pin Yang, Guosheng Sun, Y. Zhao, Jin Ning, Xingfang Liu, Lei Wang, Wanshun Zhao, Yiping Zeng, Jinmin Li","doi":"10.1109/IPFA.2009.5232644","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232644","url":null,"abstract":"A micromachined acceleration sensor for high-g detection is presented, which introduces silicon carbide as a mechanical material. The sensor structure itself consists of a fixed capacitor and a changeable one whose top plate moves perpendicular to the chip surface. The external acceleration can be obtained by measuring the change of the capacitance. Conventional surface micro-machining technologies are enough for the fabrication of the sensor. A basic theoretical model is given out, which is then used to calculate the vital performance parameters of the sensor. The theoretical measuring range is about 0–110kG. In addition, two theoretical results are compared with the simulation ones obtained by ANSYS.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116500913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modeling of Electromigration Failure Distribution of Cu Vias: Critical Current Density Effects and Reliability Extrapolation Procedures 铜过孔电迁移失效分布的建模:临界电流密度效应和可靠性外推程序
A. Oates, M. H. Lin
{"title":"Modeling of Electromigration Failure Distribution of Cu Vias: Critical Current Density Effects and Reliability Extrapolation Procedures","authors":"A. Oates, M. H. Lin","doi":"10.1109/IPFA.2009.5232737","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232737","url":null,"abstract":"The ever increasing demand for higher performance integrated circuits has led to the introduction of Cu / low-k interconnects. Electromigration failure of Cu interconnects is one of the major reliability concerns for circuits because dual damascene vias are inherently susceptible to void formation. Moreover, technology scaling leads to increased current carrying requirements, and this together with smaller critical geometries (i.e. smaller volumes of material associated with failure) presents an increasing challenge to ensure the long-term reliability of interconnects. The development of predictive models of via electromigration failure is an essential aspect of continued circuit reliability assurance. One significant challenge to the development of reliability models is the existence of multiple voiding modes in Cu vias. Development of accurate models requires a fundamental understanding of these voiding morphologies as a function of stress conditions, conductor geometry and processing, together with knowledge of void nucleation and growth kinetics.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116507069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of microstructure on the electromigration lifetime distribution 微观组织对电迁移寿命分布的影响
R. L. de Orio, H. Ceric, J. Červenka, S. Selberherr
{"title":"The effect of microstructure on the electromigration lifetime distribution","authors":"R. L. de Orio, H. Ceric, J. Červenka, S. Selberherr","doi":"10.1109/IPFA.2009.5232733","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232733","url":null,"abstract":"In this work we analyze the influence of the statistical distribution of copper grain sizes on the electromigration time to failure distribution based on numerical simulations. We have applied a continuum multi-physics electromigration model which incorporates the effects of grain boundaries for stress build-up. It is shown that the lognormal distribution of grain sizes causes a lognormal distribution for the times to failure. Moreover, the increase of the standard deviation of the grain size distribution results in an increase of the electromigration lifetimes standard deviation.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127095568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving reliability and diminishing parasitic capacitance effects in a vertical transistor with embedded gate 提高嵌入式栅极垂直晶体管的可靠性和减小寄生电容效应
Jyi-Tsong Lin, C. Kuo, Tai-Yi Lee, Y. Eng, Tzu-Feng Chang, Po-Hsieh Lin, Hsuan-Hsu Chen, Chih-Hung Sun, Hsien-Nan Chiu
{"title":"Improving reliability and diminishing parasitic capacitance effects in a vertical transistor with embedded gate","authors":"Jyi-Tsong Lin, C. Kuo, Tai-Yi Lee, Y. Eng, Tzu-Feng Chang, Po-Hsieh Lin, Hsuan-Hsu Chen, Chih-Hung Sun, Hsien-Nan Chiu","doi":"10.1109/IPFA.2009.5232696","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232696","url":null,"abstract":"We present a new vertical sidewall MOSFET with embedded gate (EGVMOS) to reduce the parasitic capacitance which is the major disadvantage in a conventional VMOS. According to simulations, our EGVMOS can not only achieve about 86.34% and 54.76% reduction at Cgd at VDs = 0.05 V and 1.0 V respectively, but also improves the device reliability due to suppressed kink effects, in comparison with a conventional VMOS.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127560560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Applications of scanning near-field photon emission microscopy 扫描近场光子发射显微镜的应用
D. Isakov, B. Tan, J. Phang, Y. Yeo, A. Tio, Y. Zhang, T. Geinzer, L. Balk
{"title":"Applications of scanning near-field photon emission microscopy","authors":"D. Isakov, B. Tan, J. Phang, Y. Yeo, A. Tio, Y. Zhang, T. Geinzer, L. Balk","doi":"10.1109/IPFA.2009.5232566","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232566","url":null,"abstract":"In this paper, the application of scanning near-field photon emission microscopy for imaging photon emission sites is demonstrated. Photon emissions generated by a Fin-FET test structure with one metallization layer are imaged with spatial resolution of 50 nm using scattering dialectic probe. The potential applications and limitations of the technique are discussed.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133693892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Controlling the growth of VOx films for various optoelectronic applications 控制用于各种光电应用的VOx薄膜的生长
Xiaomei Wang, Xiangdong Xu, Zhiming Wu, Yadong Jiang, Shaowei He
{"title":"Controlling the growth of VOx films for various optoelectronic applications","authors":"Xiaomei Wang, Xiangdong Xu, Zhiming Wu, Yadong Jiang, Shaowei He","doi":"10.1109/IPFA.2009.5232582","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232582","url":null,"abstract":"In this paper, vanadium oxide (VOx) thin films were prepared by reactive DC magnetron sputtering under different deposition temperatures. The physical properties and microstructures of VOx thin films were systematically investigated. Results reveal that when the deposition temperature is varied from 200 °C to 390 °C, the square resistance of VOx at room temperature is decreased significantly from 696 KΩ/sq to 0.122 KΩ/sq. The film stress and optical properties were also observed to be varied with the deposition temperature. The resulting adjustment of physical properties is attributed to the difference in both chemical states and crystallinity of VOx. On the base of the special optical, electrical and mechanical properties, the as-prepared VOx films exhibit great potential in various optoelectronic applications.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133646871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reliability analysis and hygro-thermo-mechanical design for MEMS-based pressure sensor 基于mems的压力传感器可靠性分析及湿热机械设计
H. Hsu, L. Chu, W. Shieh, M. Weng, F. R. Hsu
{"title":"Reliability analysis and hygro-thermo-mechanical design for MEMS-based pressure sensor","authors":"H. Hsu, L. Chu, W. Shieh, M. Weng, F. R. Hsu","doi":"10.1109/IPFA.2009.5232560","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232560","url":null,"abstract":"Moisture properties such as moisture diffusivity and hygroscopic swelling have been carefully investigated for polymeric materials used on the MEMS-based pressure sensor. An improved TMA/TGA integrated method is used to characterize the hygroscopic swelling property. An analytical moisture diffusion solution is proposed to determine the moisture distribution and consequent hygroscopic induced strain as well as stress. By applying Fick's second law of diffusion, the “thermal wetness” analogous technique is applied to solve moisture absorption/desorption models. The analytical expression for total expansion strain due to hygro-thermo-mechanical coupled effect is implemented using finite element software ANSYS. Finite element predictions reveal the significance of contribution of hygroswelling induced effective stress/strain. Reliability analysis and hygro-thermo-mechanical design for a MEMS-based pressure sensor are performed in accordance with JEDEC preconditioning standard JESD22-A120. A series of comprehensive experimental works and parametric studies were conducted in this paper.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132687821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Investigation on TSOP warpage mechanism and improvement method TSOP翘曲机理及改进方法的探讨
Lei Wang, Zhenqing Zhao, Jianhui Wang, L. Wen, Qian Wang, Jaisung Lee
{"title":"Investigation on TSOP warpage mechanism and improvement method","authors":"Lei Wang, Zhenqing Zhao, Jianhui Wang, L. Wen, Qian Wang, Jaisung Lee","doi":"10.1109/IPFA.2009.5232732","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232732","url":null,"abstract":"This paper gives a detailed investigation on TSOP warpage mechanism. The influences of all the factors on warpage behavior, including materials (EMC ingredient and lead frame), lead frame design and assembly process, were investigated through numerical simulation and experimental study. The simulation result showed that low CTE material is a good choice for warpage reduction. And it also indicated that by properly modifying the lead frame design, the warpage performance can be improved. Much attention was paid to the curing process as this thermal process would obviously affect the stress formation and release in the package. It was deduced that a reduction in the cooling rate above Tg during cure would reduce warpage based on theoretical thermal analysis, and the experiment result proved it did work. Finally a modification to the cure process is proposed as the most cost effective and practicable solution in actual production.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134359210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Characterization of pad surface defect by TEM, SEM and EDX 焊盘表面缺陷的TEM、SEM和EDX表征
Ming Li, Jing Zhou, Qiang Chen, W. Kary Chien
{"title":"Characterization of pad surface defect by TEM, SEM and EDX","authors":"Ming Li, Jing Zhou, Qiang Chen, W. Kary Chien","doi":"10.1109/IPFA.2009.5232589","DOIUrl":"https://doi.org/10.1109/IPFA.2009.5232589","url":null,"abstract":"Tiny defects were observed by SEM (Scanning Electron Microscopy) on pad surface. In order to identify the root cause, TEM (Transmission Electron Microscopy) and EDX (Energy dispersive X-ray) techniques were used to do failure analysis. The SEM images showed that the tiny surface defects were pits. Higher Cu concentration at pits area was detected compared with normal area based on the EDX data. TEM and EDX analysis showed that the defect could be composed of an Al-Cu (and/or possible pure Cu) core and the halo of aluminum oxide (and/or possible hydroxide). The result can be explained as that the pre-existing Al2Cu (theta phase) particles and the surrounding aluminum metal might act as the electrodes and favored the occurrence of galvanic corrosion during the backend DI water cleaning process or when the wafer was in a moisture environment. In this paper, the mechanism of galvanic corrosion was further discussed based on the TEM data.","PeriodicalId":210619,"journal":{"name":"2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133272658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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