coating process

Analysis and Improvement of Quality Defects in PCB Inner Layers (Coating Process)

by
Analysis and Improvement of Quality Defects in PCB Inner Layers (Coating Process)

1. PCB Inner Layer Defects – Open Circuits, Notches, Pinholes 1. Common Defects (Open Circuits, Notches, Pinholes) Image Description 1.1. Open Circuit due to Ink Peeling (caused by poor surface treatment affecting ink adhesion) 1.2. Notch in the Circuit (Pinholes on the Ink Surface after Coating) 1.3. Open Circuit (Debris on the Film Positioning) 1.4. … Read more

Understanding Conformal Coating for PCBA

by
Understanding Conformal Coating for PCBA

In the PCB industry, many friends will come into contact with conformal coatings. So, what exactly is this conformal coating? Today, let’s take a closer look. Conformal coating is a special formulation of paint primarily used to protect circuit boards and related equipment from environmental erosion. (Conformal coating refers to moisture-proof, salt spray-proof, and mildew-proof) … Read more