Losses 5% of what weight factor?  Individual board weight.

Victor,

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ido Mashall
Sent: Wednesday, August 01, 2007 7:22 AM
To: [log in to unmask]
Subject: Re: [TN] FR-4 CARBONIZE TEMP

Maybe you need the Td-Decomposition temperature
 The temperature in which the substrate loss 5% of his weight.
And it is different for different FR4 and an important issue when
choosing
materials especially for LF

Ido Mashall
Beyond-Materials

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Wood, Kenneth
Sent: Wednesday, August 01, 2007 2:59 PM
To: [log in to unmask]
Subject: [TN] FR-4 CARBONIZE TEMP

Hey all...
Does anyone know at what temp FR-4 carbonizes?
I know the delam temp (Tg) but was asked to find this obscure
bit of info.
Thanks
Ken
 
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