Solder Paste Technology
Article Outline : Symptom-Based Solutions : Error Code E507 : Feeder misalignment – recalibrate with go/no-go gauge. Inconsistent Paste : Check solder viscosity (150–200 Pa·s). Z-Axis Drift : Replace linear encoder scales. Quick-Reference Table : Common issues, tools needed,...
Product Introduction
Laser-cut stainless steel stencils define solder paste deposition. Aperture dimensions account for paste release ratios, with trapezoidal walls reducing clogging. Step stencils handle mixed component heights. Nano-coatings improve paste release for ultra-fine pitches. Fiducial marks align stencils to PCBs during printing. Electroformed stencils offer higher precision but at greater cost. Design software (e.g., Valor) optimizes aperture patterns to prevent bridging. Regular cleaning with wipes or ultrasonic baths maintains print quality. Stencil thickness (100-150µm) balances paste volume and resolution.
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