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Subject:	request of formula of calculation of impedance after thermal shock
From:	Jack Low <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Mon, 16 Sep 2002 12:50:45 +0800
Content-Type:	text/plain
Parts/Attachments:	text/plain (21 lines)

Dear all:
 we would like to know  the formula to calculate the impedance before thermal shock abd after thermal shock  on PCB,
and where can I find out the formula to calculate in IPC, any suggestions and nformation will be sincerely appreciated,Thanks a million!   Have a nive day!

Best regards

Jacl low

[log in to unmask]

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