Knowledge Center

📚 Basic Concepts and Design Challenges Rigid-Flex PCBs combine rigid circuit boards and flexible circuit boards through multiple lamination processes into a composite structure. Their core advantage lies in integrating the stability of rigid circui...

In high-speed digital and RF circuit design, impedance control is crucial for ensuring signal integrity. An Impedance Test Coupon is a cost-effective tool for verifying whether PCB manufacturing meets the target impedance values. It provides a standardized...

Conductive Anodic Filament (CAF) is a serious reliability failure mechanism in Printed Circuit Boards (PCBs). It refers to the migration of metal ions (primarily copper ions) along the interface between the glass fiber and the resin, or through the resin i...

Evolution of PCB Hole Metallization Process and Positioning of "Black Hole" Process Hole metallization is a core process in multi-layer PCB manufacturing, whose purpose is to form a conductive metal layer on the hole wall of PCB drilling to realize elec...

Flying probe testing is a key inspection link in the post-manufacturing stage of PCBs. It uses movable "flying probes" to contact test points on PCBs to detect parameters such as circuit continuity, impedance, and short circuits. It is especially suitabl...

In PCB manufacturing, board edge processing is a key process to realize the separation of multi-panel (splitting multiple unit PCBs from the panel), which directly affects product edge quality, separation efficiency and subsequent assembly reliability. T...

The Relationship Between Reflow Oven Temperature Zone Stability and Online SPC Reflow oven is the core equipment in SMT production, and the temperature stability of its temperature zones directly determines the solder joint quality. Excessive temperatur...

Hazards and Control Significance of Pillow Effect in Large-Size BGA Large-size BGA (Ball Grid Array package, usually referring to package size ≥20mm×20mm and ball diameter ≥0.76mm) is widely used in high-end electronic equipment such as serv...

1. Introduction: Importance of FR-4 Substrate Cutting Accuracy Ordinary FR-4 substrate is the most widely used rigid printed circuit board base material in the electronics industry. Its cutting process is a key pre-process in PCB manufacturing, aiming t...

1. Introduction: Core Value of Vacuum Lamination Process and Significance of Parameter Control Vacuum lamination process is a key manufacturing technology that bonds multiple layers of substrates (such as PCB core boards, prepregs, copper foils, or comp...