Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.最新文献

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Electrical contact resistance of silver with different coatings 不同镀层银的电接触电阻
B. Su, J. Qu
{"title":"Electrical contact resistance of silver with different coatings","authors":"B. Su, J. Qu","doi":"10.1109/ISAPM.2005.1432050","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432050","url":null,"abstract":"The contact resistance between silver rods is measured when different contact load is applied. The relation of tunnel resistivity and contact pressure is found based on the contact area calculation from Hertzian solution. The tunnel resistivity of clean silver rods, and silver rods with different coatings, such as stearic acid, adipic acid, malonic acid, oxalic acid, terephthalic acid, un-cured and cured epoxy, are measured. The tunnel resistivity - contact pressure curves of silver with difference coatings are plotted. The measured tunnel resistivity of silver can be used to calculate the contact resistance between silver contacts in electrically conductive adhesives.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121293212","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
Epoxy/BaTiO/sub 3/ (SrTiO/sub 3/) composite films for high dielectric constant and low tolerance embedded capacitors fabrication in organic substrates 环氧树脂/BaTiO/sub - 3/ (SrTiO/sub - 3/)复合薄膜用于高介电常数和低容限的有机衬底嵌入式电容器的制造
K. Paik, Sung-Dong Cho, Jin-Gul Hyun, Sangyong Lee, Hyungsoo Kim, Joungho Kim
{"title":"Epoxy/BaTiO/sub 3/ (SrTiO/sub 3/) composite films for high dielectric constant and low tolerance embedded capacitors fabrication in organic substrates","authors":"K. Paik, Sung-Dong Cho, Jin-Gul Hyun, Sangyong Lee, Hyungsoo Kim, Joungho Kim","doi":"10.1109/ISAPM.2005.1432080","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432080","url":null,"abstract":"Epoxy/BaTiO/sub 3/ composite embedded capacitor films (ECFs) were newly designed for high dielectric constant and low tolerance (less than /spl plusmn/5%) embedded capacitor fabrication in organic substrates. In terms of material formulation, ECFs were composed of specially formulated epoxy resin and latent curing agent. And in terms of coating process, a comma roll coating method was used for a uniform film thickness over large area. Dielectric constants of BaTiO/sub 3/ & SrTiO/sub 3/ composite ECFs were measured with MIM (metal-insulator-metal) capacitors at 100 kHz using LCR meter. Dielectric constants of BaTiO/sub 3/ ECFs were larger than these of SrTiO/sub 3/ ECFs, due to the difference of permittivity of BaTiO/sub 3/ and SrTiO/sub 3/ particles. Dielectric constants of BaTiO-, & SrTiO/sub 3/ ECFs at high frequency range (0.5/spl sim/10GHz) were measured using a cavity resonance method. For both powders, dielectric constants in high frequency range were about 3/4 of the dielectric constants at 1 MHz. This difference is mainly due to the decrease of dielectric constant of epoxy matrix. For BaTiO/sub 3/ ECFs, there was a dielectric relaxation at 5/spl sim/9GHz presumably due to the polarization mode change of BaTiO/sub 3/ powder. However in case of SrTiO/sub 3/ ECFs, there was no relaxation up to 10GHz.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115341467","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
An engineering model for moisture degradation of polymer/metal interfacial fracture toughness 聚合物/金属界面断裂韧性的水分降解工程模型
T. P. Ferguson, J. Qu
{"title":"An engineering model for moisture degradation of polymer/metal interfacial fracture toughness","authors":"T. P. Ferguson, J. Qu","doi":"10.1109/ISAPM.2005.1432093","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432093","url":null,"abstract":"Based on interfacial fracture mechanics and the hydrophobicity of the interface, en engineering model was developed in this paper. Using this model, one can predicted the degradation of interfacial fracture toughness of a polymer/metal interface once the moisture concentration near the interface is known.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124585485","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: 4
Design, fabrication, and reliability assessment of embedded resistors and capacitors on multilayered organic substrates 多层有机衬底上的嵌入式电阻和电容器的设计、制造和可靠性评估
K. Lee, S. Bhattacharya, M. Varadarajan, L. Wan, I. R. Abothu, V. Sundaram, P. Muthana, D. Balaraman, P. Raj, M. Swaminathan, S. Sitaraman, R. Tummala, P. Viswanadham, S. Dunford, J. Lauffer
{"title":"Design, fabrication, and reliability assessment of embedded resistors and capacitors on multilayered organic substrates","authors":"K. Lee, S. Bhattacharya, M. Varadarajan, L. Wan, I. R. Abothu, V. Sundaram, P. Muthana, D. Balaraman, P. Raj, M. Swaminathan, S. Sitaraman, R. Tummala, P. Viswanadham, S. Dunford, J. Lauffer","doi":"10.1109/ISAPM.2005.1432084","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432084","url":null,"abstract":"Embedded passives provide a practical solution to microelectronics miniaturization. In a typical circuit, over 80 percent of the electronic components are passives such as resistors, inductors, and capacitors that could take up to 50 percent of the entire printed circuit board area. By integrating passive components within the substrate, embedded passives reduce the system real estate, eliminate the need for discrete components and assembly of same, enhance electrical performance and reliability, and potentially reduce the overall cost. Moreover, it is lead free. Even with these advantages, embedded passive technology is at a relatively immature stage and more characterization and optimization are needed for practical applications leading to its commercialization. This paper presents an entire process from design and fabrication to electrical characterization and reliability test of embedded passives on multilayered microvia organic substrate. Two test vehicles focusing on resistors and capacitors have been designed and fabricated by Packaging Research Center (PRC) and Endicott Interconnect Technologies (EI). Resistors are carbon ink based polymer thick film (PTF) and NiCrAlSi, and capacitors are made with polymer/ceramic nanocomposite material. High frequency measurement of these capacitors was performed. Furthermore, reliability assessments of thermal shock and temperature humidity tests based on JED EC standards are presented.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125343036","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: 6
Studies of fine pitch patterning by reel-to-reel processes for flexible electronic systems 柔性电子系统用卷对卷加工精细节距图案的研究
A. Drost, G. Klink, M. Feil, K. Bock
{"title":"Studies of fine pitch patterning by reel-to-reel processes for flexible electronic systems","authors":"A. Drost, G. Klink, M. Feil, K. Bock","doi":"10.1109/ISAPM.2005.1432062","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432062","url":null,"abstract":"Cost effective and high quality processes are needed for further development of flexible electronic systems. Applications of these structures are e. g. in the field of high density interconnection foils or polymer electronics. In this paper a lithography process for patterning copper on flexible foils using reel-to-reel methods is presented. The process allows the fabrication of well defined copper structures with typical feature sizes from 15 to 40 /spl mu/m using either etching or electroplating technology. Properties of the dry film photoresist used in the process as well as details of the technology are described. Influences of photolithography and etching on dimensional accuracy and resolution are given and some consequences on design rules are shown.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133480706","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: 8
3D integration of electronics and mechanics 电子和机械的三维集成
T. Peltola, P. Mansikkamaki, E. Ristolainen
{"title":"3D integration of electronics and mechanics","authors":"T. Peltola, P. Mansikkamaki, E. Ristolainen","doi":"10.1109/ISAPM.2005.1432035","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432035","url":null,"abstract":"Nowadays, the design is one of the key features for all consumer products. All the novel functions must be available inside fashionable covers. However, the most interesting product shapes are not always possible due the restriction of the traditional rigid printed wiring board (PWB). To achieve a real design freedom, a formable multilayer PWB structure is needed. This paper introduces the three-dimensional printed wiring board and the 3D integration of electronics and mechanics. The 3D integration of electronics and mechanics increases design freedom and space utilization efficiency e.g. in portable devices. The 3D integration technology is enabled by thermoplastic PWB material innovations and a new kind of system integration process. Thermoplastics are formable and they are widely used in many fields, but as a substrate for a multilayer PWB, they are rather new. Furthermore, this paper discusses the benefits and challenges of the 3D integration of electronics and mechanics and the special characteristics of its system design process. Integration of electronics and mechanics has an effect on the design process management. Design phases must be coherent and teamwork needs to be well organized. In addition, special requirements for testing are presented.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131777521","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: 13
Electromigration in eutectic tin-lead solder lines at the device temperature 在器件温度下共晶锡铅焊锡线的电迁移
R. Agarwal, K. Tu
{"title":"Electromigration in eutectic tin-lead solder lines at the device temperature","authors":"R. Agarwal, K. Tu","doi":"10.1109/ISAPM.2005.1432069","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432069","url":null,"abstract":"Electromigration in eutectic SnPb has been studied at the device temperature i.e. 100/spl deg/C and at three different current densities viz. 5/spl times/10/sup 3/ A/cm/sup 2/, 5/spl times/10/sup 4/ A/cm/sup 2/ and 5/spl times/10/sup 4/ A/cm/sup 2/. The test samples are prepared by reflowing solder into V-grooves etched on [001] Si wafer. The accumulation of a large lump of solder is observed at the anode for 5/spl times/10/sup 3/ A/cm/sup 2/ and 5/spl times/10/sup 4/ A/cm/sup 2/ current densities. The dominant diffusing species is found to be Pb in both cases. At 5/spl times/10/sup 3/ A/cm/sup 2/, the electromigration doesn't occur. The effects of current stressing on microstructure of eutectic SnPb solder have also been reported. Grain coarsening is observed, which becomes very significant with increasing current density.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"184 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131717939","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
The role of self-assembled monolayer (SAM) on Ag nanoparticles for conductive nanocomposite 自组装单层(SAM)在银纳米颗粒导电纳米复合材料中的作用
Hongjin Jiang, K. Moon, Lingbo Zhu, Jiongxin Lu, C. Wong
{"title":"The role of self-assembled monolayer (SAM) on Ag nanoparticles for conductive nanocomposite","authors":"Hongjin Jiang, K. Moon, Lingbo Zhu, Jiongxin Lu, C. Wong","doi":"10.1109/ISAPM.2005.1432087","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432087","url":null,"abstract":"To improve the electrical property of the isotropic conductive adhesives (ICA), self-assembled monolayer (SAM) compounds were used to help the dispersion of silver nanoparticles in epoxy resin. Silver nanoparticles were first treated by the SAM in order to increase the filler loading of nanoparticles in epoxy resin. The bonding and thermal debonding behavior between silver and SAM was investigated by differential scanning calorimeter (DSC). The amount of SAM coated on Ag nanoparticles was tested by thermogravimetric analysis (TGA). Scanning electron microscopy (SEM) was used to study the morphologies of SAM treated Ag nanoparticles before and after the heat treatment. Several kinds of epoxy formulation were prepared by using SAM-treated Ag nanoparticles as conductive fillers and the resistivities were studied.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"171 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132310281","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: 5
Sn2.5Ag0.5Cu lead free solder balls with "Ge" and "Ni" 含“Ge”和“Ni”的Sn2.5Ag0.5Cu无铅钎料球
R. Lee, Wha Soo Sin, J. K. Jeon, Heui Seog Kim
{"title":"Sn2.5Ag0.5Cu lead free solder balls with \"Ge\" and \"Ni\"","authors":"R. Lee, Wha Soo Sin, J. K. Jeon, Heui Seog Kim","doi":"10.1109/ISAPM.2005.1432060","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432060","url":null,"abstract":"Recently, environmental-friendly products have significantly increased the development of lead free solder material. Some products are already in production and most of semiconductors will be released lead-freely. Among the various lead-free solders, the SnAgCu family of solders has been known as one of the leading candidates for high volume mass-production. However, SnAgCu still has a discoloration issue during ir-reflow and burn-in test, and the market requires stronger solder joint for fatigue bending and impact test due to the mobile electronics. In this paper, the countermeasure with adding \"Ge\" and \"Ni\" to prevent SnAgCu solder balls from discoloration is investigated and the optimization(3.0 /spl rarr/ 2.5%) of the weight ratio of \"Ag\" contents to enhance solder joint for fatigue bending and impact test is studied and reliability test for the optimized Sn2.5Ag0.5Cu composition is investigated.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"333 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122848307","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
No-bleed die attach adhesives 无出血模贴胶
B. Neff, J. Huneke, M. Nguyen, P. Liu, T. Herrington, S.K. Gupta
{"title":"No-bleed die attach adhesives","authors":"B. Neff, J. Huneke, M. Nguyen, P. Liu, T. Herrington, S.K. Gupta","doi":"10.1109/ISAPM.2005.1432051","DOIUrl":"https://doi.org/10.1109/ISAPM.2005.1432051","url":null,"abstract":"Resin bleed out (RBO) is a major problem encountered when using die attach adhesives on metal or organic substrates or on top of another die. RBO to the edge of the substrate and/or onto the wire-bonding pad on a die, contaminates these surfaces. This hinders the formation of good wire-bonds between the die-top and the substrate or the wire-bonding fingers. The issue of resin bleed was tackled in three steps: First - understanding the nature of the surface (e.g. surface energy, roughness), and resin properties (e.g. viscosity, molecular weight, surface tension, polarity). Second - modelling the effect of the surface and liquid properties (input), on the adhesive performance (output). Third - design and develop new resins, based on the analysis, to reduce and eliminate resin bleed.","PeriodicalId":181674,"journal":{"name":"Proceedings. International Symposium on Advanced Packaging Materials: Processes, Properties and Interfaces, 2005.","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116170971","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: 7
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