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| Presentation | 2016-10-21 15:15 Phenomena on Contact Film Formation and the Surface Analysis Methods for Relay Contacts Takeshi Aoki (former TANAKA HD)  EMD2016-48 Link to ES Tech. Rep. Archives: EMD2016-48 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Electrical contacts have been applied for speech path switches and control system relays in telephone exchange systems for a long period (1890~1970’s), till digital systems replaced electromechanical exchange systems. Contacts, that are key parts of reliability, were renewed every replacement of the exchange systems in order to avoid contact resistance failures caused by contact films generated with the passing years. It can be said that history of contacts was one of battles against contact films, which were generated in several years after replacement. In this paper, first, formation mechanisms of surface films, for example corrosion films or catalysis films, are described. Next, a bird’ s- eye view of surface analysis information of the formed films are mentioned, besides practical points on surface analysis methods for the contact films are viewed. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Contacts for speech path switches / Contact surface films / Contact resistance failures / Surface analysis / Chemical bond analysis / Chemical element analysis / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 261, EMD2016-48, pp. 13-17, Oct. 2016. | |
| Paper # | EMD2016-48 | |
| Date of Issue | 2016-10-14 (EMD) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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 | EMD2016-48 Link to ES Tech. Rep. Archives: EMD2016-48 |
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| Conference Information | |
| Committee | EMD |
| Conference Date | 2016-10-21 - 2016-10-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2016-10-EMD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Phenomena on Contact Film Formation and the Surface Analysis Methods for Relay Contacts |
| Sub Title (in English) | |
| Keyword(1) | Contacts for speech path switches |
| Keyword(2) | Contact surface films |
| Keyword(3) | Contact resistance failures |
| Keyword(4) | Surface analysis |
| Keyword(5) | Chemical bond analysis |
| Keyword(6) | Chemical element analysis |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takeshi Aoki |
| 1st Author's Affiliation | formaer TANAKA Holdings (former TANAKA HD) |
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| Speaker | Author-1 |
| Date Time | 2016-10-21 15:15:00 |
| Presentation Time | 30 minutes |
| Registration for | EMD |
| Paper # | EMD2016-48 |
| Volume (vol) | vol.116 |
| Number (no) | no.261 |
| Page | pp.13-17 |
| #Pages | 5 |
| Date of Issue | 2016-10-14 (EMD) |
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