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Ceiling Display Pcb Pcba

Ceiling display pcb pcba manufacturer How to judge the quality of PCB circuit board color PCB is mainly connected with electronic components. Color is not directly related to its performance. The color difference will not affect the performance of the electrical circuit. The performance of the...

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Ceiling Display Pcb Pcba

Ceiling display pcb pcba manufacturer

pcb assembly.jpg

Specification:

AticleDescriptionCapability
MaterialLaminate materialFR4, Alu, CEM3,Taconic,Rogers
Board cuttingNumber of layers1-58

Min.Thickness for inner layers 

(Cu thickness are excluded)

0.003"(0.07mm)
Board thicknessStandard0.04-0.16''±10%(0.1-4mm±10%)
MinSingle/Double layer:0.008±0.004''
Bow and twist<7/1000
Copper weightouter Cu weight 0.5-4 oz
inner Cu weight 0.5-3 oz
Drilling
Min size0.0078''(0.2mm)
Drill deviation±0.002''(0.05mm)
PTH hole tolerance±0.002''(0.005mm)
NPTH Hole tolerance±0.002''(0.005mm)
PlatingMin hole size
0.0008''(0.02mm)
Aspect ratio20(5 :1)
Solder maskColorGreen,white,black,red,yellow,blue
Min solder mask clearance0.003''(0.07mm)
Thickness0.0005-0.0007''(0.012-0.017mm)
SilkscreenColor Green,white,black,red,blue....
Min size0.006''(0.15mm)
E-testFlying probe testerY
Controlled Impedance
Tolerance±10%
Impedance testerTektronix TDS8200
Surface finishHASL,ENIG,immersion silver,immersion tin, OSP....


How to judge the quality of PCB circuit board color:

Ceiling Display Pcb Pcba is mainly connected with electronic components. Color is not directly related to its performance. The color difference will not affect the performance of the electrical circuit. The performance of the Ceiling Display Pcb Pcba is determined by the material, layout and the number of layers of the board. However, in the process of doing circuit boards, black is the most likely to cause color difference, if the circuit board factory using raw materials and manufacturing process slightly deviation, will cause color difference caused by the PCB circuit board rate rise. This will increase the cost of production.



certificate.jpg

The raw materials Ceiling Display Pcb Pcba is very common in our life, it is composed of glass fiber and resin etc.. Two kinds of combination, hardening and form a kind of heat insulation, not easy to bend the plate. This is the PCB substrate. In general, such as light by glass fiber and resin bond synthesized PCB substrate cannot be transmitted signal, so we will be covered with a layer of copper on the surface, and therefore we also call the PCB substrate for the copper circuit board circuit due to black PCB line illegible will increase maintenance and debugging stage of development and customer service the difficulty, if there is no general profound skill RD (R & D) design and powerful brand maintenance team, is not easily with black PCB. It can be said that the use of black PCB is a brand of RD design and maintenance team of the performance of confidence, from the side, is also a manufacturer of their own strength of a manifestation of self-confidence.

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