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Low-temp reflow with PET

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Low-temp reflow with PET | 25 March, 2013

I have a customer that is wanting to use a low-temp solder paste such as SnBi for a lead free circuit, however they are specifying PET for the flex circuit. I have always used polyimide for SMT reflow due to the temperature limitations of polyester.

Does anyone have experience with reflow and PET? What peak temperature can it withstand for short durations?

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