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| May 17, 2012
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Circulation Over 51,000
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| June 10, 2009 |
| Recertify PCB's past their shelf life |
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Are there any standards or controls for re-certifying PCB's that have passed their shelf life expiration date?
If so how long should the new shelf life be?
D. D.
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I believe that you can start the clock again on a PCB by putting it through a drying cycle.
A reflow cycle would do as this is over 100 deg C and will drive out moisture.
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Steven Adamson
Market Specialist
Nordson ASYMTEK
Market Specialist for Nordson ASYMTEK. Mr. Adamson worked for Kodak, Motorola and Plessey, ICL in the UK with 5 US and 2 UK patents. He was awarded a HNC in electrical engineering and was 2008 President of IMAPS. Mr. Adamson was a respected mentor in the electronics industry. He passed away October, 2011. Learn about the Steve Adamson Memorial Annual Scholarship Fund.
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Reader Comments
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While that takes care of any absorbed moisture,
it does not address degradation of the solder surface.
Dennis Puhalski
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