4 Types of PCB Contamination and How to Remove Them - Technical Article

This MicroCare technical article explores the four primary types of PCB contamination—organics, inorganics, water, and particulate—and offers expert guidance on how to effectively remove each. With the increasing complexity and miniaturization of electronic components, cleaning challenges have grown significantly. The article details cleaning methods such as vapor degreasing, absorption and displacement drying, electrostatic bond disruption, and mechanical agitation to ensure optimal PCBA performance. It also emphasizes the importance of selecting the right cleaning fluid and conducting cleaning trials to ensure compatibility with board materials while achieving high reliability and cost efficiency