Flexible Circuit Boards (FCBs) have become the core components of many innovative products. From smart watches to foldable phones, from medical devices to automotive electronics, FCBs are used everywhere. With the continuous advancement of technology, the requirements for FCB materials are also increasing.
This article explores the history and development of
The factors that cause the welding defects of flexible circuit boards have the following three reasons：
The solderability of the flexible circuit board holes affects the soldering quality
The poor solderability of the holes of the flexible circuit board will cause virtual welding defects, which will affect the parameters of the components
Flexible circuits are used in various applications where conductors are connected to each other,these conductor interconnections must be bendable or be able to remain bent for long periods of use. In the past, this interconnect technology was implemented using wire interconnections.
There are many kinds of flexible circuits:
One is a two-way
