| Ask the Experts |
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July 10, 2006 - Updated
July 5, 2007 - Originally Posted
Interested in using Immersion silver PCB's for RoHS compliance?
We are a small company and are interested in using Immersion silver PCB's for RoHS compliance.
After reading many articles I am still not sure about:
1. What is the best way of handling the PCB's?
2. What is the best economical way to store them?
3. What is the maximum length of PCB storage without degrading it before manufacturing?
Firoz Husain
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| Expert Panel Responses |
1. What is the best way of handling the PCB's?
You should never handle the boards with bare hands as the oils and acids from your skin can affect solderability. I would recommand using the light weight white cotton gloves.
2. What is the best economical way to store them?
Boards should always be stored in vacuum sealed bags from the vendor. Best if kept in an air conditioned area to control humidity.
3. What is the maximum length of PCB storage without degrading it before manufacturing?
For Silver Immersion the recommanded maximum shelf life is 6 months.
Greg Hueste
Senior Applications Engineer
Speedline Technologies
Greg joined Electrovert in February 1984. Based out of the Electrovert applications laboratory in Camdenton Missouri, Greg has been in the process applications support role since 2000. His primary responsibilities include providing process and machine applications support for the wave soldering lines as well as process, machine and operations training. He also provides applications support for the reflow and cleaner lines. Greg is a PBET certified trainer and holds two patents on wave solder nozzle design.
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