Effective wire-bond troubleshooting separates material, equipment, tooling, surface, and recipe causes before parameters are changed. Visual evidence, failure modes, pull and shear results, and equipment history should be reviewed together.
Routine probe-card inspection helps prevent unstable contact resistance, false test failures, pad damage, and unexpected downtime. Maintenance should combine visual inspection, electrical trends, cleaning records, planarity checks, and touchdown history.
A plasma process should be qualified as a complete system that includes gas chemistry, power, pressure, flow, treatment time, chamber condition, fixture design, and product loading. The target may be cleaning, activation, etching, or a combination of these effects.
Selecting a dicing blade requires matching the abrasive size, bond type, blade thickness, exposure, and geometry to the workpiece material, thickness, street width, and required edge quality. A qualified setup also considers spindle capability, feed rate, cut depth, mounting method, and coolant delivery.