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How to Improve Wrinkling of Copper Foil in PCB Lamination

28 May 2025 17:19:03 GMT

Table of Contents1. PrefaceDuring the PCB lamination process, PP resin undergoes changes in states: "glass state → high - elastic state → viscous flow state → high - elastic state → glass state". Due to factors such as graphic design, fl…

Capacitance Testing in PCB Electrical Performance Analysis

23 May 2025 17:46:07 GMT

Table of ContentsIn PCB electrical performance testing, there are various testing methods, and the capacitance testing method is a very important means. This article starts with the basic principles of capacitance and introduces the application of the…

BGA and SMD Rework Guide: Steps, Tips & Ball Planting

22 May 2025 17:57:18 GMT

Table of ContentsOrdinary ReworkPrinciple of Ordinary SMD Rework System: Heat airflow is concentrated on the pins and pads of surface mount devices (SMDs) to melt solder joints or reflow solder paste, enabling disassembly and welding functions.The mai…

Pin Grid Array (PGA) vs Ball Grid Array (BGA) Guide

22 May 2025 15:33:50 GMT

Table of ContentsPGA Packaging (Pin Grid Array)Chips packaged with this technology feature multiple square arrays of pins both inside and outside. Each square array of pins is arranged at specific intervals along the chips perimeter, forming 2 to 5 co…

What are dry solder joints and solder beads?

20 May 2025 14:48:11 GMT

Table of ContentsDuring the PCB (printed circuit board) assembly process, dry solder joints and solder beads are very common welding defects, which may cause circuit malfunction or even failure. Lets take a deeper look at what dry solder joints and so…

Why PCB Design Needs Mechanical Collaboration

20 May 2025 14:29:26 GMT

Table of ContentsA perfect electronic product cannot be achieved solely with excellent PCB (Printed Circuit Board) design. Just as beautiful flowers need fine brocade and a good horse needs a suitable saddle, the electronic part of the PCB carrying yo…

What is an FPC Flexible Board?

19 May 2025 15:29:09 GMT

Table of ContentsPCBs (Printed Circuit Boards) are classified by flexibility into three types: rigid circuit boards, flexible circuit boards, and rigid - flex boards. The intuitive difference between rigid PCBs and flexible PCBs is that flexible PCBs …

Flexible PCB Circuit Materials

16 May 2025 17:30:29 GMT

Table of ContentsWith the rapid and continuous development of electronic products, the field of electronic assembly technology faces severe challenges one after another. To keep pace with advancements in electronic technology, bold innovations have be…

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