Article View: sci.crypt
Article #843smart-card fragility
From: Carl Ellison
Date: Thu, 10 Sep 1992 16:23
Date: Thu, 10 Sep 1992 16:23
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In article <11671@ember.UUCP> pacolley@ember.UUCP (Paul Colley) writes: > the smart cards we were using had a >lot of reliability problems (chip popping out of card, not working >after you sat on your wallet, not surviving exposure to water, >etc.). Customers already get very upset when their mag-stripe >cards stop working, and replacing them with something that is much >more fragile doesn't seem like a good idea. Amen. My normal ATM card developes a split after a month or two which just keeps growing. As far as I can tell, this comes from my sitting on it in my wallet. Since we can make truly flexible magnets, I would assume we could make truly flexible ATM cards -- so that they wouldn't split. The real question: can we plate chip logic onto a flexible substrate and have the layers just as flexible?
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arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!darwin.sura.net!zaphod.mps.ohio-state.edu!usc!rpi!bu.edu!transfer!ellisun.sw.stratus.com!cmeReferences:
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Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!darwin.sura.net!zaphod.mps.ohio-state.edu!usc!rpi!bu.edu!transfer!ellisun.sw.stratus.com!cme From: cme@ellisun.sw.stratus.com (Carl Ellison) Newsgroups: sci.crypt Subject: smart-card fragility Message-ID: <6290@transfer.stratus.com> Date: 10 Sep 92 16:23:41 GMT References: <1992Sep8.164652.1780@osf.org> <ARI.HUTTUNEN.92Sep9013737@supergirl.hut.fi> <11671@ember.UUCP> Sender: usenet@transfer.stratus.com Organization: Stratus Computer, Software Engineering Lines: 22