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Copper Oxidation Level

I am involved in Plastic Semiconductor packaging. I am currently working on a project to define the level of oxidation on copper leadframe. Do you have any advice on how to classify the level of oxidation?

LY Choong
UNISEM (M) BHD - Ipoh, Perak, Malaysia
2003

Same question as letter 22189. How can I define the level of oxidation on copper leadframe after Die Attach Cure and before molding. Any advice to minimize this.

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Patrick Talag
- Muntinlupa City, Philippines
2003

I would guess that it would take a scanning electron microscope. Possibly one of the x-ray based instruments might .

James Watts
- Navarre, Florida
2003

Weighing the part before and after is the traditional way of measuring oxidation level.

Len Wang
Swales - Greenbelt, Maryland, USA
2003

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