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What is Prepregs? Prepreg (derived from "pre-impregnated") is the insulating material placed between two cores or between a core and a copper foil. Often referred to as "PP sheets," these ...

What Is PCB Stackup? PCB stackup refers to the arrangement of copper layers and insulating materials in a multilayer PCB. PCB Stack-up Design: The Foundation of High-Performance Electronics In modern ...

Automated Optical Inspection (AOI) is a machine vision-based technology used to inspect surface-level defects in PCB assemblies using high-resolution cameras and image processing algorithms. It is widely used in SMT ...

Design Rule Check (DRC) is an automated verification process used in PCB CAD systems to ensure that a layout complies with manufacturing limitations and electrical constraints before fabrication. It acts ...

Automated X-Ray Inspection (AXI) is a non-destructive inspection technology used to evaluate hidden solder joints and internal structures of PCB assemblies. Unlike optical inspection systems, AXI penetrates through materials using ...

Introduction As PCB designs continue to evolve toward higher density, finer pitch, and faster signal speeds, traditional inspection methods such as visual checks or AOI are no longer sufficient. Even ...