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Paper Abstract and Keywords
Presentation 2017-02-17 13:00
Properties of contact lubricant under high temperature and contact resistance
Terutaka Tamai (Elcontech), Masahiro Yamakawa (TETRA) R2016-60 EMD2016-87 Link to ES Tech. Rep. Archives: EMD2016-87
Abstract (in Japanese) (See Japanese page) 
(in English) At the present time, as downsizing of connectors causes thin gold plated layer and low contact load, serious problem of degradation of contact resistance property is induced. For these contacts, corrosion of the contacts surface from environment and high temperature as reflow process should be existed. Oxidation of base metal atoms which are diffused from under layer and additives occurs. Contact resistance increases for both surface contamination and low contact load. In order to resolve these problems and wear of surfaces, application of contact lubricants is useful and effective. However, degradation of the lubricants under such reflow process as high temperature possibly occurs. Therefore, in this study, from view point of change of lubricant quality as viscosity, weight, polymerization, oxidation and molecular orientation were clarified. For increase in contact resistance, orientation of lubricant molecular acts as important factor was found. The other factors of the lubricant does not effect on contact resistance. Furthermore, contact resistance properties were discussed in conjunction with the contact model of the orientation of lubricant molecules and a tip of asperity which yields true contact area in contact interface.
Keywords Contact lubricants,Gold plating,Lubricant,Contact resistance,
Keyword (in Japanese) (See Japanese page) 
(in English) contact lubricant / gold plated / lubricants / contact resistance / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 459, EMD2016-87, pp. 1-7, Feb. 2017.
Paper # EMD2016-87 
Date of Issue 2017-02-10 (R, EMD) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF R2016-60 EMD2016-87 Link to ES Tech. Rep. Archives: EMD2016-87

Conference Information
Committee EMD R  
Conference Date 2017-02-17 - 2017-02-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Omuron Kusatsu Factory 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2017-02-EMD-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Properties of contact lubricant under high temperature and contact resistance 
Sub Title (in English)  
Keyword(1) contact lubricant  
Keyword(2) gold plated  
Keyword(3) lubricants  
Keyword(4) contact resistance  
1st Author's Name Terutaka Tamai  
1st Author's Affiliation Elconntechc consulting (Elcontech)
2nd Author's Name Masahiro Yamakawa  
2nd Author's Affiliation TETRA Co. Ltd. (TETRA)
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Date Time 2017-02-17 13:00:00 
Presentation Time 20 
Registration for EMD 
Paper # IEICE-R2016-60,IEICE-EMD2016-87 
Volume (vol) IEICE-116 
Number (no) no.458(R), no.459(EMD) 
Page pp.1-7 
#Pages IEICE-7 
Date of Issue IEICE-R-2017-02-10,IEICE-EMD-2017-02-10 

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