Letter 23064

Solder plated deposit --carbon content  

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Hello,

Carbon content in solder plated deposit is important for solderability. I would like to know that what is the test method or analysis method to check the carbon content in solder plated deposit? What's the acceptable range for this carbon content?

Thank you very much for your helpful hand.

Cheers!

Wymen Lee
- George Town, Penang, Malaysia

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