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Crack in tin lead plating

We are plating Nickel plated lead frames with standard Tin/Lead with reel to reel plating machine. Lately we found some cracks on the legs after forming. Can any one help me with that?

Nir P
- Migdal Haemek, Israel
2003

What kind of nickel? Watts, sulfamate. How thick? Form some leads after nickel before tin. Do they crack? How thick tin?

Jon Quirt
- Minneapolis, Minnesota
2003

Anyone out there wants to clear the issue on the plating Nickel plated lead frames with standard Tin/Lead with reel to reel plating machine "Cracks" on the legs after forming.

Hello Nir P,

Have you solve the problem already. Could you share the analysis of the problem. Likewise, the corrective and preventive action done.

Thanks & B'regards R.K.Agno

R.K.Agno
- Laguna, Phillippines
2004

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