Double-sided FPC

Features

• Supports high-speed transmission in Gpbs or higher ranges with low loss.
• The two conductor layers make it possible to provide FPCs resistive to noise.
• Accurate impedance matching by microstrip structure.
• Applications that integrate with high-speed transmission connectors can also be provided.

Specifications (general performance)

Specifications (electrical performance)

Item	Conditions	Test result
Resistance test per bump	Normal temperature/Normal humidity	6 mΩ max.
Temperature and humidity cycle test	-55°C to 125°C, 1000 cycles	Resistance change rate within 10%
High-temperature retention test	85℃, 1,000 h	Resistance change rate within 10%
Low-temperature retention test	-40℃, 1,000 h	Resistance change rate within 10%
High-temperature constant-humidity test	85℃, 90% (RH), 1,000 h	Resistance change rate within 10%
Ion migration test	40℃, 90% (RH), 60 VDC, 1,000 h	No abnormality
Copper foil pull-off strength test	90 peels (copper thickness: 35 μm)	0.8 kN/m min.
Soldering heat resistance test	260℃, 20 S	No abnormality
Inductance (1 GHz)	Bridge method	2.8
Dielectric loss tangent (1 GHz)	Bridge method	0.0025
Water absorption rate	23℃, 24 h	0.04% max.
Thermal expansion coefficient	Thermomechanical analysis (TMA)	Vertical direction: 17 ppm
		Lateral direction: 17 ppm

 

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Double-sided FPC You can download the product diagram and catalog data.

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  Double-sided FPC

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