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Yellow Solder Mask PCB

Yellow Solder Mask PCB

Yellow solder mask PCB 1.Company profile 1) Uniwell circuits is a leading PCB manufacture enterprise in China, it was found in 2007, we have 2 production factories and 600 employees in total . Uniwell circuits specializes in design, development, manufacture and sales of high precision...

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Yellow solder mask PCB 



1.Product describe 

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Description: 
Layer: 4 
Board Thickness: 1.6 mm 
Surface treatment:LF HASL. 
Material: FR4 . 
Min line width/line distance:3.5/4mil 
Min hole:0.25mm
Uniwell provides Green/blue/red/black/yellow/white solder mask for free .


2.Company profile
1)Uniwell circuits is a leading PCB manufacture enterprise in China, it was found in 2007, we have 2 production factories and 600 employees in total . Uniwell circuits specializes in design, development, manufacture and sales of high precision double-sided & multilayer PCBs (Printed Circuit Board) focusing on quick turn, prototype, medium and large volumes. 

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2)Company strategies 
In order to adapt to the changeable market and meet the customers’ requirement immediately, Uniwell has long term strategies.
Win-win partnership
●,Follow and support customers strategy to acquire market
Value-added service
●,Inset value-added service base on customer requirement
Cost optimization
●,Continuous effect and efficient management to push manufacturing cost down
On-Time delivery
●,Improve delivery control procedure to ensure delivery on-time
Quality commitment
●,Quality assurance and self-review system to ensure quality promotion
Ship to stock
●,Effective logistic control and quality product to ensure just-in-time stock


3.Is there any difference between green solder mask and other solder mask colors?
In the old times almost only green solder mask is used for PCB, but now there are many colors available, such as red, black, yellow, blue etc. Many people have some doubts on PCB solder mask, such as why green color is the most common used solder resist and if there is any difference between green solder mask and other solder mask colors?

In the manufacturing of PCBs there should be no difference if they use other colors of solder mask, but in the production of electronic assembly it could make a difference. All inspections and AOI machines are made for the most popular green solder resist, if the color changes, there could be huge problems with these machines. 

Most of the manufacturers from the China only have one LPI machine. If customers require another color rather than green, the manufacturer has to continually switch from green to other colors, which leads to time cost and price increasing. But Uniwell circuits do not have any issues with Green, Red or Blue, due to volume of production run in all colors. We own different machines for different solder mask colors.

4.Quality control
ISO9001, ISO14001, TS16949 certified. Uniwell work hard to do world-class products and service, and continuously improve customers’ satisfaction is our pursuit of Goals.

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5.Packaging &delivery
1)Packaging Details
vacuum packing 

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2)Delivery Time
3-10 working days

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