Properly handle circuit board assemblies to minimize ESD/EOS damage. Learn grounding, static-safe work areas, board/component edge handling, storage and contamination avoidance for reliable electronic assembly care.
Learn essential cleaning procedures for circuit boards and assemblies, covering both localized and aqueous batch methods to remove flux and contaminants that can impair soldering, performance, and reliability.
Guide to localized cleaning of circuit boards and assemblies using solvent and brush techniques to remove surface contaminants that affect soldering and electrical performance in repair/rework operations.
Aqueous batch cleaning procedure for circuit board assemblies, detailing water-based cleaning cycles, pressures, and rinse considerations to remove flux and contaminants while protecting sensitive components.
Identify conformal coatings before removal to prevent substrate damage. Learn how to distinguish acrylic, urethane, silicone, epoxy and parylene coatings using visual inspection, solvent testing and practical field methods.
Remove conformal coatings using controlled solvent techniques that protect circuitry and base materials. Covers material compatibility, dwell time, application methods and safe removal practices for repair and rework.
Peel removable conformal coatings without damaging conductors or laminate. Step-by-step guidance for edge lifting, controlled removal and surface preparation to support reliable rework operations.
Use controlled heat to soften and remove conformal coatings in targeted repair areas. Learn proper temperature control, tooling selection and risk mitigation to prevent substrate damage during rework.
Mechanically remove conformal coatings using precision grinding or scraping techniques. Includes tool selection, depth control and surface protection methods to avoid damage to traces and laminate.
Micro blasting removes conformal coatings in precise areas using controlled abrasive media. Learn equipment setup, masking techniques and surface protection methods for accurate coating removal.
Restore solder mask to protect circuitry and maintain electrical isolation. Covers surface preparation, mask application, curing and inspection practices for durable, professional repair results.
Reapply conformal coating or encapsulant to protect repaired assemblies from moisture, contamination and electrical stress. Learn material selection, masking and controlled application methods.
Restore solder mask in BGA locations while maintaining pad geometry and spacing. Detailed procedures ensure insulation integrity and reliable component reinstallation in high-density areas.
Use controlled baking and preheating to remove moisture and stabilize circuit boards before soldering or rework. Learn temperature guidelines and handling practices that reduce delamination and damage.
Restore board legends and identification markings using precision stamping techniques. Covers ink selection, alignment and curing practices to maintain traceability and professional appearance.
Repair missing or damaged board markings using controlled hand lettering techniques. Includes surface preparation, ink selection and curing methods for durable, compliant identification.
Recreate board legends using stencil methods for consistent, repeatable marking repair. Learn stencil alignment, ink application and curing practices to maintain documentation integrity.
Properly mix and handle epoxy materials used in circuit board repair. Covers ratio control, pot life management, contamination prevention and curing practices to ensure structural reliability.
