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June 15, 2011

OSP Interval Times for Reflow

When using OSP coated boards, what is the maximum acceptable (and recommended) time interval between reflow of the "first" and "second" sides to ensure proper wetting?



M. G.

Experts Comments

Normally as quick as possible. Without knowing your reflow profile it would be nearly impossible to give an accurate estimate.

Try with a group of scrap boards for 24, 48, 36 hours etc. until you reach a point you are happy with. But 48 hours should be the maximum you aim for due to potential variation on PWB

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Richard Boyle
Global Product Champion
Henkel Electronics
Richard Boyle is a Global Product Champion at Henkel Electronics. He has over 25 years experience in the electronics assembly industry and is responsible for the global technical service of all of Henkel's solder materials.
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