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November 1999

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TechNet <[log in to unmask]>
Subject:
SMD ceramic cap on metal substrate
From:
Ken Fong <[log in to unmask]>
Date:
Thu, 11 Nov 1999 17:53:46 GMT
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"TechNet E-Mail Forum." <[log in to unmask]>, [log in to unmask]
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     Hi, Technetter,

     Could anyone advise what the maximum size of ceramic SMD capacitor
     that can be used reliably on copper based substrate is? The main
     concern is the CTE difference between that kind of capacitor and the
     metal substrate. The sevice temperature range of the assembly is -40
     to 130degC. Are there any literature/standard talking about this?
     Thanks.

     Regards,
     Ken

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