Classification and Treatment Methods of Surface Contamination in PCBA

Classification and Treatment Methods of Surface Contamination in PCBA

Introduction FIRST During the PCBA production process, residues from solder paste and flux can contain organic acids and ionic substances. The former can corrode the PCBA, while the latter can cause short circuits between pads. In recent years, users have become increasingly stringent about product cleanliness, leading to a growing emphasis on PCBA cleaning processes … Read more

Cleaning Process Before Conformal Coating of PCBA Circuit Boards: Analyzing the Necessity of Coating!

Cleaning Process Before Conformal Coating of PCBA Circuit Boards: Analyzing the Necessity of Coating!

Introduction: The conformal coating of PCBA (Printed Circuit Board Assembly) is an important part of the three-proof technology for military electronic equipment. Its purpose is to further enhance the resistance of the circuit board to adverse environmental effects during storage and operation, and to improve the mechanical performance of components against shock and vibration, achieving … Read more