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Black Solder Mask PCB

Black Solder Mask PCB

Black solder mask circuit board 1.product describe Black solder mask circuit board Specification: layer:4 board thickness:2±0.2mm min hole:0.3mm line width/ space:0.152mm/0.175mm surface treatment: ENPIG These kinds of circuit boards are widely applied in communication, network, digital...

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Black solder mask circuit board
1.Product describe 


Layer: 2
Board Thickness: 1.55 mm
Surface treatment: immersion gold.
Material: FR4.
Min line width/line distance:30/25mil

These kinds of circuit boards are widely applied in communication, network, digital products, industrial control, medical care, aeronautics & astronautics, defense & military fields, as well. Uniwell provides Green/blue/red/black/yellow/white solder mask for free.

2.The Black soldermask is used when light reflection is not wanted
Solder Mask is one of the most important materials in PCB production. Solder mask or solder resist is like varnish or lacquer that is applied to the outside or top and bottom layers of a printed circuit board to form a permanent protective coating for copper traces. The solder mask prevents solder from bridging between conductors and creating a short in the intended circuit. It also provides some protection from the environment.

The solder mask is most often applied with a green tint but is available in a wide variety of colors and finishes. In Uniwell, these colors are available: green, black, and white, yellow, red, etc. Black Soldermask is used for some displays systems where light is not to be transparent. That’s to say, black soldermask is used when we don't want light reflections etc.  

The contrast between traces, planes and empty space is virtually non-existent. Inspection of the board not only requires powerful magnification but you also have to angle a light. The silkscreen contrasts well. 

The black solder resist absorbs heat during reflow. You have to either scale down your profile or make sure that your temperature sensor is actually placed on the board itself. The silkscreen is also prone to turning light brown during reflow, presumably because the board under it takes on so much heat.

3.Enquiry requirement
To ensure an accurate quote, be sure to include the following information for your project:
●,Complete GERBER files including the Excellon Drill File
●,Other file types (PCB123, Altium, Eagle,Protel, IVEX, Ultiboard (up to V12) and OrCAD (with .MAX file extension)  also accepted as well as hand layups / films etc
●,"Read Me" notes for additional fabrication information
●,Turn time
●,Panelization Requirements
●,Materials Requirements
●,Finish requirements
Your custom quote will be delivered in just 2-24 hours, depending on the design complexity.

4.Shipping &delivery
●,Protect product with polyfoam and multi-layer paperboard.
●,Special Protect carton for exporting product.
●,Per customer requirement. 


2-3 Weeks
1)By DHL, UPS, FedEx, TNT ,EMS.
2)By sea for mass quantity according to customer’s requirement.


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