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Flex PCB Stiffeners: Materials, Process, and Key Differences

18 Jun 2025 14:31:23 GMT

Flexible printed circuits (FPCs) are made using polyester film or polyimide. They’re super light, crazy thin, and pack a lot of flexibility in a small package, which gives them perks that other circuit boards just can’t match. Compared to traditiona…

Future of Automotive PCBs: Electrification & Smart Vehicles

17 Jun 2025 15:21:19 GMT

Table of ContentsIn recent years, concepts such as new energy vehicles and autonomous driving have captured widespread attention, and the traditional automotive industry is steadily evolving toward greater intelligence and electrification. As the adop…

Supercharge Your SMT Line with AOI Technology

16 Jun 2025 16:16:36 GMT

Table of ContentsWhat Is AOI?Automatic Optical Inspection (AOI) is an intelligent inspection system used to detect common defects in soldered printed circuit boards (PCBs) and surface-mount assemblies. Drawing on optical principles, image-comparison …

Flying‑Probe PCB Testing | Fast, Precise Electrical Check

13 Jun 2025 17:12:39 GMT

Table of ContentsWorking Principle of Flying‑Probe TestingA flying‑probe tester is an enhancement over the traditional “bed‑of‑nails” high‑voltage automatic PCB tester, replacing the fixed needle beds with movable probes. During operation, the

What Is ENIG? PCB Immersion Gold Process Explained

12 Jun 2025 15:18:31 GMT

Table of ContentsWhat Is Immersion Gold (ENIG)?Copper on a circuit board is primarily electrolytic (pure) copper, which readily oxidizes in air. Oxidation degrades conductivity—leading to poor solder wetting or contact failures—and thus reduces PCB…

Poor Solderability in ENIG PCBs: Causes and Solutions

11 Jun 2025 17:01:19 GMT

Table of ContentsAbstractThe electroless nickel–electroless immersion gold (ENEIG) process has become the mainstream surface finish for lead‑free electronic products. Key factors affecting its solderability include the quality of the ENEIG plating, …

How PCB Reverse Engineering Works: Step-by-Step Guide

10 Jun 2025 13:39:58 GMT

Table of ContentsThe Technical Implementation Process of PCB Reverse Engineering (Cloning)In simple terms, PCB reverse engineering starts with scanning the circuit board to be cloned, recording the detailed positions of all components. These component…

High-Speed PCB Design: Layout, Routing & Signal Integrity

09 Jun 2025 16:49:43 GMT

Table of ContentsChapter 1: PCB RoutingIn PCB design, routing is a critical step in completing the product layout—one could say that all prior preparation is for this stage. Among all aspects of a PCB, the routing process demands the highest level of…

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