Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts最新文献

Contact Resistance Characteristics of Elastomeric Complex Structure Contacts for Gold and Tin Printed Circuit Board 金、锡印刷电路板用弹性复合结构触点的接触电阻特性

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318196

T. Tamai, Y. Hattori

{"title":"Contact Resistance Characteristics of Elastomeric Complex Structure Contacts for Gold and Tin Printed Circuit Board","authors":"T. Tamai, Y. Hattori","doi":"10.1109/HOLM.2007.4318196","DOIUrl":"https://doi.org/10.1109/HOLM.2007.4318196","url":null,"abstract":"Characteristics of conductive elastomer which is composed of silicone rubber and dispersed carbon black particles shows conductive and elastic properties in one simple material. This material has been widely applied to contacts of switches and connectors of a liquid crystal panels. However, since surface state of the contact is very soft, it is difficult to remove contaminant films of contaminated opposite side contact surface and to obtain low contact resistance owing to break the film. This study has been conducted to clear structures of the elastomer which indicates removal characteristics for contaminant films and low contact resistance. As specimens, six different types of the elastomer contacts composed by different type of dispersed such materials as carbon and metal fibers, metal mesh, and plated surfaces were used. The opposite contacts were Au and Sn plated contact surface on a printed circuit board (PCB). The elastomeric contacts contained hard materials showed lower contact resistance than only dispersed carbon particles in the elastomer matrix for both contaminated PCB contact surfaces.","PeriodicalId":11624,"journal":{"name":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79750431","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 Glowing Contacts using Optical Emission Spectroscopy 发光接触的光学发射光谱表征

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318201

Xin Zhou, J. Shea

引用次数: 8

Minimization of arc extinction gap in the opening speed range 1 cm/s - 1 m/s 在开启速度范围1厘米/秒- 1米/秒内消弧间隙最小

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318223

D. Sallais, N. Ben Jemaa, E. Carvou

引用次数: 20

Analysis and Prediction of Vibration-Induced Fretting Motion in a Blade/Receptacle Connector Pair 叶片/插座连接器副振动诱导微动分析与预测

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318221

F. Xie, G. Flowers, Chen Chen, M. Bozack, J. Suhling, B. Rickett, R. Malucci, C. Manlapaz

{"title":"Analysis and Prediction of Vibration-Induced Fretting Motion in a Blade/Receptacle Connector Pair","authors":"F. Xie, G. Flowers, Chen Chen, M. Bozack, J. Suhling, B. Rickett, R. Malucci, C. Manlapaz","doi":"10.1109/HOLM.2007.4318221","DOIUrl":"https://doi.org/10.1109/HOLM.2007.4318221","url":null,"abstract":"Connector fretting propensity is generally evaluated through an exhaustive series of experimental tests, making the connector design and validation process time consuming and costly. Thus, a method using modeling and simulation techniques to predict the influence of various design factors on vibration-induced fretting propensity in electrical connectors method would very beneficial to those responsible for connector design and application. One approach is to use detailed finite element models for the connector system to relate the actual dynamics of the contact interface to the threshold vibration levels required for the onset of fretting and the relative motion transfer function. The present study describes one such model for a single tin-plated blade/receptacle connector pair. Concurrent simulation and experimental studies were performed to evaluate the threshold vibration levels as a function of excitation frequency, interface friction coefficient, and normal force. Good correlation between the experimentally observed results and those predicted by the models was obtained. Some insights and observations with regard to the effectiveness of such a modeling approach are also presented.","PeriodicalId":11624,"journal":{"name":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87871250","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

Study of the Influence of Cu Vapour on Air Arc Characteristics 铜蒸气对空气电弧特性影响的研究

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318207

Xingwen Li, Degui Chen, M. Rong, Ruicheng Dai

引用次数: 8

Numerical study on current and thermal distributions of electrical contacts by FEM 电触点电流和热分布的有限元数值研究

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318228

K. Koibuchi, K. Sawa

{"title":"Numerical study on current and thermal distributions of electrical contacts by FEM","authors":"K. Koibuchi, K. Sawa","doi":"10.1109/HOLM.2007.4318228","DOIUrl":"https://doi.org/10.1109/HOLM.2007.4318228","url":null,"abstract":"Accurate determinations of contact resistance (which contains constriction and film resistance) and temperature rise are most conventional and important issues of electric conduction devices. This paper investigates coupled analysis of current and thermal distributions of Ag electrode by FEM. Intended final results are to obtain constriction resistance and temperature values. Contact areas (a-spot) of spherical and flat shaped Ag electrodes are discretized to a large number of narrow finite elements. Firstly, current density distributions in each element are calculated by FEM, and contact resistance values are obtained from the impressed current and electric potential difference between the anode and cathode. Compared with the theoretical results by R. Holm's equation for constriction resistance, calculated contact resistance values of several a-spot radii show fine agreement. Local Joule heat distributions are also obtained. Moreover, thermal distributions in the electrodes are shown as the calculated results. As a quantitative verification, tendency of maximum temperature of the calculated results shows good agreement with phi-thetas theory by R. Holm.","PeriodicalId":11624,"journal":{"name":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80537374","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

Nanocomposite thin films for surface protection in electrical contact applications 电接触表面保护用纳米复合薄膜

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318211

S. Noel, D. Alamarguy, F. Houzé, A. Benedetto, P. Viel, S. Palacin, N. Izard, P. Chenevier

{"title":"Nanocomposite thin films for surface protection in electrical contact applications","authors":"S. Noel, D. Alamarguy, F. Houzé, A. Benedetto, P. Viel, S. Palacin, N. Izard, P. Chenevier","doi":"10.1109/HOLM.2007.4318211","DOIUrl":"https://doi.org/10.1109/HOLM.2007.4318211","url":null,"abstract":"Increased demands on reliability, operations in harsh environments and miniaturisation of electrical contacts, justify research on totally innovating coatings. Such films require many specific properties such as proper conduction and mechanical behaviour. The approach reported here is based on the idea of associating a polymer matrix and a conducting charge. The polymer matrix was chosen to resist mechanical degradation while the charge allows good conductivity. The first results obtained by associating a carbon nanotube (CNT) network to a fluorinated polymer thin layer are presented here. Several characterisation techniques such as XPS, FT-IR and Raman spectroscopy have allowed the control of the various steps of the elaboration process. Films were deposited on cuprous coupons with a nickel underlayer and an electrodeposited gold final layer. Several matrixes were studied. The properties of these thin films were investigated in a ball plane contact configuration: first electrical and mechanical characterisations show low values of contact resistance and friction coefficient. The CNT network influence is investigated both at a macroscopic scale and at a microscopic one.","PeriodicalId":11624,"journal":{"name":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90281108","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

Breaking arc characteristics in various power supply frequencies 不同电源频率下的断弧特性

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318231

N. Miki, K. Sawa

引用次数: 2

Influence of Surface Roughness on Contact Voltage Drop of Electrical Sliding Contacts 表面粗糙度对电滑动触点接触电压降的影响

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318217

T. Ueno, K. Kadono, N. Morita

引用次数: 9

Evaluation of a Setscrew Connector for Aluminum Wire 铝线固定螺钉连接器的评价

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI: 10.1109/HOLM.2007.4318204

J. Aronstein

引用次数: 2