Blog
Solder Paste Powder Size: Type 3 vs Type 4 and Stencil Checks
Compare Type 3, Type 4 and Type 5 solder powder, check aperture geometry, and use a qualification checklist before changing paste for fine-pitch assembly.
Blog
Solder Paste Tack Time: Placement Delays and Component Movement
Distinguish tack time from stencil life, interpret AMTECH paste parameters, and use a staged inspection log to investigate component movement before reflow.
Blog
Solder Paste Slump Test: Cold vs Hot and Bridging Checks
Separate solder paste slump from stencil smearing, compare cold and hot tests, and use a practical evidence checklist before releasing an SMT build.
Blog
Conformal Coating Thickness: Measurement and Acceptance Checks
Compare wet and dry conformal coating thickness, review MG 422B limits, and use a practical inspection checklist for PCB coating acceptance.
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PCB Ionic Contamination Testing: ROSE vs IC and SIR
Compare ROSE, ion chromatography and SIR for PCB cleanliness. Check sample area, equipment fit and report evidence before accepting a production lot.
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PCB Desmear Process: Hole Cleaning and Plating Checks
Understand the PCB desmear process, compare chemical and plasma routes, and check hole-wall evidence before plating and production release.
Blog
Metal Core PCB Manufacturing Process: Dielectric Bonding and Thermal Checks
Follow the metal core PCB manufacturing process from stackup and dielectric bonding through imaging, machining, insulation tests and thermal checks.
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Medical PCB Assembly Process: Traceability, Inspection and Test Controls
See how medical PCB assembly controls revisions, materials, soldering, cleanliness, inspection, testing, traceability and release evidence.
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Manual PCB Assembly Process: Workmanship, Inspection and Test Controls
See how manual PCB assembly moves from document and kit review through placement, soldering, inspection, cleaning, testing and controlled release.
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LED PCB Manufacturing Process: Thermal Stack-Up, Fabrication and Testing
Learn how LED PCBs are engineered and fabricated, how thermal stack-up choices affect reliability, and which inspection and testing evidence to request.