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Because the FPC cable is a kind of FPC, its composition is the same as that of FPC. FPC is generally elongated, and both ends are designed as pluggable pins, which can be directly connected to the connector or welded to the product. The middle is usually a circuit, because the FPC cable needs a certain degree of flexibility, therefore, the base material is generally made of rolled copper, which is resistant to tortuous and flexible.
The surface treatment process used for FPC cables is generally gold, and occasionally there is anti-oxidation. However, the anti-oxidation process cannot withstand high temperatures, and the environmental endurance is worse than that of immersion gold, and the prices of the two are similar. Therefore, most of the immersion gold technology is adopted. In addition,
there are processes such as tin plating and tin spraying, but the temperature resistance of FPC is generally below 280 degrees Celsius, and the temperature of the tin spraying will be above 300 degrees Celsius, and the hardness of the solder paste is relatively small, so it is rarely used.
The cable can be moved, bent, and twisted without damaging the wire, and can comply with different shapes and special package sizes. The only limitation is the volume space issue. Since it can withstand millions of times of dynamic bending, the cable can be well applied to the interconnection system of continuous movement or regular movement, and become a part of the function of the final product. The solder joints on a rigid PCB are subjected to thermal and mechanical stress and will fail after hundreds of cycles. Jenny, EECX’s product manager, said: “Requires electrical signals/power to move, and certain products with smaller form factors/package sizes benefit from flat cables.”
In terms of price, the natural FFC cable is much cheaper. Considering the production cost, more companies prefer to use the related design of the FFC cable.
Fpc cable metal sheet
Article source: Popularity: 6022 Publication time: 2019-08-14 【Small Zhong Da】
Speaking of FPC cables, everyone must know or be familiar with what FPC is? FPC can be divided into many types according to function, such as FPC antenna, FPC touch screen, FPC capacitive screen, etc. FPC cable is one of them. In layman's terms, FPC cable is a set of cables that can be bent to a certain extent. .
Fpc cable metal sheet
Common specifications include various pitch flexible cables such as 0.5mm, 0.8mm, 1.0mm, 1.25mm, 1.27mm, 1.5mm, 2.0mm, 2.54mm, etc.
The cable can be moved, bent, and twisted without damaging the wire, and can comply with different shapes and special package sizes. The only limitation is the volume space issue. Since it can withstand millions of times of dynamic bending, the cable can be well applied to the interconnection system of continuous movement or regular movement, and become a part of the function of the final product. The solder joints on a rigid PCB are subjected to thermal and mechanical stress and will fail after hundreds of cycles. Jenny, EECX’s product manager, said: “Requires electrical signals/power to move, and certain products with smaller form factors/package sizes benefit from flat cables.”
There are many reinforcement materials for FPC flexible circuit boards, such as FR4 reinforcement, PI reinforcement, and steel sheet reinforcement, in order to prevent deviation from the high temperature resistance of welding or pasting materials!
