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What is a Rigid Flex PCB?
Printed Circuits Rigid Flex PCBA rigid flex printed circuit board
(PCB) is a hybrid circuit board design that integrates elements
from both hardboard and flexible circuits. Rigid flex PCBs are
rigid at some points on the board and flexible at others. Because
of this, rigid flex circuits can be folded or continuously flexed
while maintaining the shape of areas that need extra support. The
circuits are typically multi-layered and are comprised of flexible
circuit substrates joined with rigid boards. The flexible layers
are buried internally and completely penetrate the rigid sections
of the PCB.
One of the key benefits of a rigid flex PCB is its slim profile. The standard dielectric in flexible circuits is .001 – .002”, making it a great choice for ultra thin—and ultra light—packaging needs. Adhesiveless laminates, HDI, and thin copper layers make it ideal for fine line technology, giving you the smallest, thinnest, and lightest solution for your circuit designs.
PCB Capability
Article | Description | Capability |
Material | Laminate materials | FR4, High TG FR4, High Frequency, Alum, FPC... |
Board Cutting | Number of layers | 1-48 |
Min.thickness for inner layers (Cu thickness are excluded) | 0.003”(0.07mm) | |
Board Thickness | Standard | (0.1-4mm±10%) |
Min. | Single/Double:0.008±0.004” | |
4layer:0.01±0.008” | ||
8layer:0.01±0.008” | ||
Bow and twist | no more than 7/1000 | |
Copper Weight | Outer Cu weight | 0.5-4 0z |
Inner Cu weight | 0.5-3 0z | |
Drilling | Min size | 0.0078”(0.2mm) |
Drill deviation | ±0.002″(0.05mm) | |
PTH hole tolerance | ±0.002″(0.005mm) | |
NPTH hole tolerance | ±0.002″(0.005mm) | |
Solder Mask | Color | Green,white,black,red,blue… |
Min solder mask clearanace | 0.003″(0.07mm) | |
Thickness | (0.012*0.017mm) | |
Silkscreen | Color | white,black,yellow,blue… |
Min size | 0.006″(0.15mm) | |
Max Size of Finish Board | 700*460mm | |
Surface Finish | HASL,ENIG,immersion silver,immersion tin,OSP… | |
PCB Outline | Square,circle,irregular(with jigs) | |
Package | QFN,BGA,SSOP,PLCC,LGA |
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