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White Solder Mask Circuit Board

White Solder Mask Circuit Board

White solder mask circuit board 1.company information UNIWELL circuits cO., lTD. is specialized in manufacturing all kinds of PCB&PCBA for home appliance, communication industry, car industry and LED lights industry. Service on both OEM and ODM project. We have been in PCB industry for 10...

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1.Product describe


Layer: 2
Board Thickness: 1.55 mm
Surface treatment:HASL.
Material: FR4  .
Min line width/line distance:30/25mil
Min hole:0.32m
Uniwell provides Green/blue/red/black/yellow/white solder mask for free .

2.Company information
Uniwell circuits co., lTD. is specialized in manufacturing all kinds of PCB&PCBA for home appliance, communication industry, car industry and LED lights industry. Service on both OEM and ODM project. We have been in PCB industry for 10+ years. With the professional R&D team and skillful workers, we can put your design into physical product, and also put your idea into workable design and product. We can offer you one stop solution from PCB, Components purchasing, Components assembly, test to the whole fabrication.


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

4.What are the PCB solder mask color options?
The details of the solder masks by color are as follows:
●,Green Solder Mask


The green standard is still a common PCB solder mask option because it allows everything to be seen clearly. White text on the green background has a high amount of contrast, and the finish isn’t bright enough to reflect too much light, so there’s a reduction in glare. Green is a common choice for boards that must be inspected, plus some may find it to be an effective method to highlighting high-quality craftsmanship because the color does not get in the way of showing off the routing.

●,White Solder Mask
White printed circuit board solder mask applications are becoming slightly more common because they can make a PCB look especially pretty in a clean environment. They make stunning show models in many situations. However, real-world applications can be more difficult because the white solder mask hides traces very well. Inspection can become nigh impossible in some situations, especially if you’re in a room with only direct overhead light. One area where it does shine, however, is in the use of black silkscreens because of their stark contrast with white.

●,Black Solder Mask


Black solder masks produce slightly less of a visibility concern compared to white options. Contrast is minimal but labeling and large components are easy to see. The downside is that light may catch the component and cast a small shadow, making traces that much more difficult to see. Black PCB solder mask options are also typically not recommended because of the increase in heat, which may discolor silkscreen and make the board more difficult to clean. Like white, it’s a very pretty board to observe and can create a distinct visual if you’re trying to highlight a capability of yours.

●,Red Solder Mask
Red boards are becoming a popular option because they provide good visibility and contrast for planes, traces and even your empty space. It’s less contrast than green boards but will give a PCB a feeling of freshness when compared to stale industry standards. Silkscreens stand out well against the red.

●,Blue Solder Mask


Label-heavy boards should consider a blue liquid photoimagible solder mask because of the significant contrast it creates with silkscreen. Traces can become much more difficult to see without proper lighting and magnification, so that’s the balance point for this blue option. Blue is often chosen for how it can look. It isn’t as striking as white or black, but it does provide a compelling aesthetic choice that implies complexity and craftsmanship, especially if you’re mounting it against an LCD. It is a little more likely to show dirt compared to some other colors.

●,Yellow Solder Mask and More
Many new colors are emerging, but they can be difficult to manage. Yellow is a pleasing color, but it contrasts poorly with both silkscreens and traces, making it difficult to use in any real-world application. Different colors will balance different needs, such as cleanliness, visibility and style. Always try a sample before running with your new color choice.

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