您好,欢迎来到爱问旅游网。
搜索
您的当前位置:首页Chip card with a protection layer

Chip card with a protection layer

来源:爱问旅游网
专利内容由知识产权出版社提供

专利名称:Chip card with a protection layer

发明人:DEVEAUD, VINCENT,CANELLA, CHRISTOPHE申请号:EP401677.3申请日:190615公开号:EP0347321B1公开日:19940105

摘要:The invention relates to portable cards containing integrated circuits, moregenerally known under the name of smart cards. In order to avoid disturbances of theoperation of smart cards due to modifications of threshold voltage of the transistors ofthe circuit under the effect of electrostatic charges, the present invention proposes tocover the surface of the chips with a film of a conductive substance, which film isconnected to a reference potential.

申请人:SGS-THOMSON MICROELECTRONICS S.A.,SGS THOMSONMICROELECTRONICS,SGS-THOMSON MICROELECTRONICS S.A.

地址:7, AVENUE GALLIENI; F-94250 GENTILLY,FR,7, AVENUE GALLIENI; F-94250GENTILLY

国籍:FR

代理机构:Ballot, Paul Denis Jacques

更多信息请下载全文后查看

因篇幅问题不能全部显示,请点此查看更多更全内容

Copyright © 2019- awee.cn 版权所有 湘ICP备2023022495号-5

违法及侵权请联系:TEL:199 1889 7713 E-MAIL:2724546146@qq.com

本站由北京市万商天勤律师事务所王兴未律师提供法律服务