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Must-read comprehensive knowledge of flexible circuit boards!

With the development of electronic technology, flexible printed circuit boards (FPC)

2022-01-10

Must-read comprehensive knowledge of flexible circuit boards!

With the development of electronic technology, flexible printed circuit boards (FPC) have become a "necessity" for modern electronic devices due to their lightweight, flexible, and space-saving characteristics. Flexible printed circuit boards play an important role in smartphones, smartwatches, automotive electronics, and medical devices. This article will take you through the basics of flexible printed circuit boards, their structural materials, manufacturing processes, applications, and future development trends.

I. What is a Flexible Printed Circuit Board?

A flexible printed circuit board, or FPC, is a bendable and foldable circuit board. Unlike traditional rigid circuit boards, it uses flexible materials, allowing it to maintain stable electrical performance even when bent, curled, or folded. Flexible printed circuit boards can arrange circuits in various complex shapes and spaces, making them widely used in modern miniaturized and integrated devices.

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FPC substrate polyimide film covering film

Polyimide film covering film for FPC substrate - covering film for flexible printed circuit boards

Flexible circuit board structure and substrate

Flexible printed circuits are classified according to the number of conductive copper foil layers, including single-layer boards