Examples of observing intermetallic compounds through etching treatment.
Observe the state of the compound from the rear direction and the surface! We will consider and propose processing, pretreatment, observation methods, and combinations.
The method of processing observation samples can result in different information being obtained. You may have observed the solder joints in two dimensions from a cross-section, but have you ever wondered how the compounds grow in three dimensions? In this document, we present examples of observing the joint between the Cu pad and the solder. We include both "cross-sectional observation" and "planar observation." [Contents] ■ Cross-sectional Observation - Before etching treatment - After etching treatment ■ Planar Observation *For more details, please refer to the PDF document or feel free to contact us.
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