Td and Tg

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I read somewhere there is a thermal measure that takes into ... - Aug 27, 2008 by blnorman

Td - is the degradation temperature for a laminate (board), ... - Aug 27, 2008 by Vlad

I know, but somewhere I read about an equation or relationsh... - Aug 27, 2008 by blnorman

While you're waiting for others to reply, here are a couple ... - Aug 27, 2008 by davef

Yep, that is probably the one in the Werner's paper. Vlad... - Aug 27, 2008 by Vlad

BINGO. I knew there was some relationship between the 2, th... - Aug 28, 2008 by blnorman

blnorman

#56196

Td and Tg | 27 August, 2008

I read somewhere there is a thermal measure that takes into account Tg and Td. Offhand I can't remember what it is, does anybody know what I'm talking about?

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Vlad

#56204

Td and Tg | 27 August, 2008

Td - is the degradation temperature for a laminate (board), while Tg - is glass transition one. There is one more (even more important) - delta Tg. They characterize the quality of the laminate material.

Regards,

Vlad

www.sentec.ca

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blnorman

#56219

Td and Tg | 27 August, 2008

I know, but somewhere I read about an equation or relationship that takes both into account to generate another number.

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davef

#56222

Td and Tg | 27 August, 2008

While you're waiting for others to reply, here are a couple of previous postings from the fine SMTnet Archives: * http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=45013

* http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=50312

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Vlad

#56223

Td and Tg | 27 August, 2008

Yep, that is probably the one in the Werner's paper.

Vlad

www.sentec.ca

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blnorman

#56242

Td and Tg | 28 August, 2008