A process window defines combinations of settings that consistently meet visual, dimensional, and mechanical requirements. Designed experiments and capability data make the window repeatable across lots and tools.
Learn more →Pull and shear strength reflect bond formation, wire properties, geometry, and failure mode. Improvement requires interpreting where the sample fails, not simply increasing the measured force.
Learn more →Non-stick-on-pad defects can result from contamination, oxidation, poor capillary condition, weak ultrasonic transfer, pad damage, or incorrect setup. Structured checks prevent random parameter changes.
Learn more →Bond force, time, and ultrasonic energy must work together to disrupt surface films and create intimate contact. Optimization should find the center of a stable region rather than a single best-looking setting.
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