Multilayer Circuit Board
Double Sided PCB is the middle layer of medium, and both sides are wiring layers. Multilayer PCB is a multi-layer wiring layer. Between every two layers is a dielectric layer. The dielectric layer can be made very thin. Multilayer PCB has at least three conductive layers, two of which are on the outer surface, and the remaining layer is integrated into the insulating board. The electrical connection between them is usually achieved through plated through holes on the cross section of the circuit board.
The distinction of Multilayer PCB
The circuit board determines the process difficulty and processing price according to the number of wiring surfaces. Common circuit boards are divided into single-sided wiring and double-sided wiring, commonly known as Double Sided PCB and Double Sided PCB. However, high-end electronic products are restricted by product space design factors. In addition to surface wiring, multiple layers of circuits can be superimposed inside. During the production process, after each layer of wiring is made, it is positioned and pressed by optical equipment to superimpose the multilayer circuits on a circuit board. Commonly known as Multilayer PCB. Any circuit board with more than or equal to 2 layers can be called Multilayer PCB. Multilayer PCB can be divided into Multilayer Rigid PCB, Multilayer Flexible PCB, Multilayer Rigid-flex PCB.
Product Description:
Article | Description | Capability | |
Sercive | PCB and SMT assembly with one-stop service | ||
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 | 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) | ||
E-test | Function Test | 100% Functional test | |
PCBA Testing | X-ray,AOI Test,Functional test | ||
Pcb assembly | one-stop service electronic manufacxturer service | ||
Component sourcing | Yes | ||
Certificate | IATF16949, ISO13485, ISO9001 | ||
Delivery time: | PCB | 3-12days | |
PCBA | 8-20days | ||
Tolerance of pcb | ±5% | ||
Max size of finish board | 450*450mm | ||
MOQ | NO MOQ (1pcs) | ||
Surface Finish | HASL,ENIG,immersion silver,immersion tin,OSP… | ||
PCB outline | Square,circle,irregular(with jigs) | ||
package | QFN,BGA,SSOP,PLCC,LGA | ||
Sub-assembly | Plastic,metal,screen |
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