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Shenzhen Uniwell Circuits Co.,Ltd
Yellow Solder Mask Circuit Board

Yellow Solder Mask Circuit Board

Yellow solder mask circuit board 1.Company profile 1) Uniwell circuits established in 2007, we have 2 production plants and 600 employees in total. 2) CompanyStrategies In order to adapt to the changeable market and meet the customers’ requirement immediately, Uniwell has long term strategies....

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1.Product describe 

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Description
Layer: 4
Board Thickness: 1.6 mm
Surface treatment: HASL.
Material: S1141 .
Min line width/line distance:4/4mil
Min hole:0.3mm
Uniwell provides Green/blue/red/black/yellow/white solder mask for free .

2.Company profile
1)Uniwell circuits established in 2007, we have 2 production plants and 600 employees in total . 

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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.Yellow soldermask is easier to distinguish
Solder Mask is a protective coating applied to the bare printed circuit board. Bare boards are covered with mask to prevent accidental solder bridging during assembly and to help protect the board from the environment. The most common colors are Green, Red, White, Yellow, Blue and Black.

One of the reasons why we use yellow soldermask is that yellow soldermask is easier to distinguish. And contrast between white silkscreen and yellow soldermask is very high, so if your board is label-heavy then blue might be fit very well.

But the contrast between traces and empty space is a little too low and it is difficult to inspect for manufacturing defects without mandatory magnification. Meanwhile, yellow soldermask doesn’t clean up as well as red and green. As a dark color it is prone to hiding dirt and if you’re not careful enough, the flux stains can be stubborn to remove.

yellow solder resist can be a good choice if you’re not bothered about showing off the traces on your board or you need to match colors with your project.

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

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5.FAQ
Q:How do we keep our prices low?
We have relationships with a large number of board manufacturers and can find the best source of PCBs to consistently save your cost, meet your development schedule, fulfill your prototyping or mass production needs. 

Q:What is Test NRE?
The Test NRE is a one-time "non recurring expense" for electrical test. This charge is optional but when paid, all circuit boards will be tested each and every time that part number and revision is ordered without additional charge. 

Q:When do you pay a tooling NRE fee for my printed circuit board?
You will only pay a Tooling charge if you go directly to Production (Custom Spec) without having ordered a Proto (Standard Spec) as a first step. We do not charge Tooling for Protos (Standard Spec) and neither do we charge Tooling if the proto (Standard Spec) is reordered for Production (Standard Spec). 

Q:If you only have a minor change in my design, do we charge Tooling NRE?
When you make any change to your printed circuit board, we assign it completely new tooling. This helps prevent old artwork or cnc programming from being used. Even a minor change will require the same process as new files, so a tooling charge may apply. Please contact your salesperson for details. 

Q:To what acceptability standards do we build?
IPC A600 Class 2 through IPC 6012 Class 3A 

Q:How fast can you get a quote after submitting an inquiry?
We will on receipt of your file evaluate in 6 hours for standard spec PCB. But if PCB special, evaluation will be longer. Please note that the following detail will speed up evaluation:
Material:
Board thickness:
Copper thickness:
Surface finish:
Solder mask color:
Silkscreen color:

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