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Shenzhen Uniwell Circuits Co.,Ltd
Immersion Gold Flex PCB

Immersion Gold Flex PCB

ENIG flexible Printed Circuit Board 1.product describe Layer: 2 Base Material: Polyimide+FR4 stiffener Copper Thickness: 1oz Board Thickness: 0.3mm Solder mask color: Yellow cover film Silkscreen color: White Surface Finishing: ENIG Test way: 100% E-Test Standard: IPC-Class2/Class 3 Uniwell...

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ENIG flexible Printed Circuit Board
1.Product describe

图片48_副本.jpg

Layer: 2
Base Material: Polyimide+FR4 stiffener
Copper Thickness: 1oz
Board Thickness: 0.3mm
Solder mask color: Yellow cover film
Silkscreen color: White
Surface Finishing: ENIG
Test way: 100% E-Test
Standard: IPC-Class2/Class 3

Uniwell Circuits Co., Ltd, was founded in Shenzhen, China in April, 2007. We are one of the leading manufacturers and exporters of FPC(Flexible Printed Circuit), Rigid Flex PCB,PCBA, SMT assembly production and marketing.

2.Flexible PCB Manufacturing Capacities
Layers: 20(include 12layer)
Line wideth/space (mil) in innerlayer: 3/3, 3.5/3.5
Aspect ratio: 20:1(PTH); 1:1 (blind vias)
Min. drilling hole diameter(mil): 6(mechanical); 4(laser)
Distance from drilling to conductor(mil) :6
Tolerance for impedance control(+/-): 10%

3.Why Uniwell
Many customers tell us that the most important reason they come back and recommend us to their partner or friends is our reliability. They could be assured and keep peace to make their PCB board at our company.

1)Competitive cost PCB manufacturing
We offer high quality customized PCB boards at competitive cost, because we know the importance of the cost to a product’s success. We have cost control for each process in order to provide our customer low cost PCB.

2)High quality circuit boards offered
Our high quality PCBs come out from the raw material we choose, advanced equipment we use, process control we follow, qualified management abide by and all our professionals we have.

3)Services more than printed circuit board manufacture
Except Printed Circuit Boards(PCB) manufacture, we offer also PCB assembly, and PCB Prototype,Mass PCB production,Rigid PCB,Flexible PCB,Rigid-Flex PCB,LED PCB,Metal Core PCB,Aluminum Base PCB,Double Sided,Multi-layer PCB,High Tg PCB,HDI PCB,Ceramic PCB,Rogers PCB,Isola PCB,Laser Stencil Service etc. All we strive to extend our PCB is to save time and money for you and provide more comprehensive service for you.

4)Fast turnaround and quick response
We provide fast turnaround PCB service and quick response for PCB inquiry. For double sided PCB prototype, we support 12 hours fast service.

5)Free DFM PCB design checking
We have professional engineering team to provide full engineering support for customers. Free DFM helps to save cost and reduce potential problem during PCB manufacturing.

4.Flow-chart of FPC

图片49_副本.jpg

5.FAQ
Q:What is a microvia hole?
According to the new definition within IPC-T-50M a microvia is a blind structure with a maximum aspect ratio of 1:1, terminating on a target land with a total depth of no more than 0.25mm measured from the structure’s capture land foil to the target land. 

图片50_副本.jpg 

Q:What is meant by a blind via hole?
It is a hole that runs from an outer layer to the inner layer, but not through the entire PCB. These holes can be drilled mechanically or using laser technology.The image in point 1 shows a laser drilled blind via.

Q:What is meant by a buried via hole?
This is a hole that runs between one or more inner layers. They are normally mechanically drilled.

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