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2 Layer Flexible Printed Circuit Board

2 Layer Flexible Printed Circuit Board

How to tell if FPC soft board is good or bad Judging the FPC circuit board is good or bad: First: from the appearance to distinguish the circuit board is good or bad Under normal circumstances, the appearance of the FPC circuit board can be analyzed and judged through three aspects; 1. Standard...

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How to tell if FPC soft board is good or bad

Judging the FPC circuit board is good or bad: First: from the appearance to distinguish the circuit board is good or bad

Under normal circumstances, the appearance of the FPC circuit board can be analyzed and judged through three aspects;

1. Standard rules for size and thickness.

The thickness of the circuit board to the standard circuit board is different, and customers can measure and check the thickness and specifications according to their own product.

2, light and color.

External circuit board has ink coverage, circuit board can play the role of insulation, if the board color is not bright, less ink, insulation board itself is not good.

3, the appearance of the weld.

Because there are many parts in the circuit board, if the soldering is not good, the circuit board that the parts are easy to fall off will seriously affect the soldering quality of the circuit board. The appearance is good, careful identification, and the interface strength is often important.

Second: High-quality FPC circuit board needs to meet the following requirements

1. The telephone should be easy to use after the components are installed, ie the electrical connection must meet the requirements;

2. The line width, line thickness and line spacing of the line shall meet the requirements so as to avoid the line heating, circuit breaking, and short circuit;

3, by high temperature copper skin is not easy to fall off;

4, copper surface is not easy to oxidize, affect the installation speed, soon after the use of oxidation is broken;

5, no additional electromagnetic radiation;

6, the shape is not deformed, so as not to install the rear shell deformation, screw holes dislocation. It is now a mechanical installation. The hole position of the circuit board and the deformation error of the circuit and design should be within the allowable range.

7, and high temperature, high humidity and special resistance should also be considered within the scope;

8, the surface of the mechanical properties to meet the installation requirements;

The above is how the FPC circuit board judges whether or not it is good or bad. When purchasing an FPC circuit board, it must be brightened.

Flex board specification 

FeatureParameter (in)Parameter (mm)
Layers1 – 61 – 6
Max Board Size20” x 20”508 x 508mm
MaterialPolyimide,Polyimide,
BrandITEQ, DuponITEQ, Dupon
Min Board Thickness – 1-2 (layers)6mil0.15mm
Min Board Thickness – 4 (layers)8mil0.2mm
Min Board Thickness – 6 (layers)10mil0.25mm
Board Thickness Range6 – 25mil0.15 – 0.63mm
Max Copper Thickness2oz70um
Min Line Width / Space2mil / 2mil0.05 / 0.05mm
Min Hole Size3mil0.075mm
PTH Dia. Tolerance±2mil±0.05mm
NPTH Dia. Tolerance±1mil±0.025mm
Hole Position Deviation±4mil±0.1mm
Outline Tolerance±3mil±0.075mm
S/M Pitch3mil0.075mm
Aspect Ratio0.2506944440.250694444
Thermal Shock5 x 10Sec @2885 x 10Sec @288
Flammability94V-094V-0
Impedance Control±5%±5%

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Hot Tags: 2 layer flexible printed circuit board, China, manufacturers, suppliers, made in China
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NO 1,Pinzhi Road,xin'an Industrial park,Wu sha community Chang'an District, Dongguan City, Guangdong Province China

Tel: +86-769-26990485

sales@pspcb.com

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