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January 2005

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Subject:
From:
David Douthit <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, David Douthit <[log in to unmask]>
Date:
Thu, 13 Jan 2005 12:54:57 -0700
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"Thermal" conductivity or "electrical" conductivity?

David A. Douthit
Manager
LoCan LLC

====================

Dehoyos, Ramon wrote:

>        The relative conductivity of Copper is about twice that of aluminum.
>        Regards,
>        Ramon
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]]On Behalf Of Denis Lefebvre
>Sent: Thursday, January 13, 2005 2:25 PM
>To: [log in to unmask]
>Subject: Re: [TN] Aluminum substrates... any issues?
>
>
>I've heard of "copper core" boards before, but not aluminum. I suppose it would preferable with respect to the fact that aluminum is a better conductor than copper.
>
>-----Original Message-----
>From: Brooks,Bill [mailto:[log in to unmask]]
>Sent: Thursday, January 13, 2005 11:08 AM
>To: [log in to unmask]
>Subject: [TN] Aluminum substrates... any issues?
>
>
>I ran across this supplier of aluminum boards and was interested if any of
>you have dealt with this type of thing before? I have seen metal core boards
>made with alumina and bonded with the fiberglass/epoxy for heat sinking
>needs but this looks like a different process. Possibly less expensive...
>???
>
>http://www.irctt.com/pdf_files/thickfilm_aluminum.pdf
>
>Any comments on it are appreciated.
>
>Best regards,
>
>Bill Brooks - KG6VVP
>PCB Design Engineer , C.I.D.+, C.I.I.
>Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
>e-mail:[log in to unmask]
>http://www.dtwc.com
>http://pcbwizards.com
>
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