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A-TECH solder immersion silver pcb finish free delivery at discount

A-TECH solder immersion silver pcb finish free delivery at discount

Thickness
10-50um
RoHS Compliant
Yes
Additional Cost
Yes
Supply Capacity
5000 ㎡/Month
Certifications
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Standard
IPC CLASS 2 / CLASS 3
Price
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Quantity Needed:
Pieces
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Carbon Ink is typically used to create a protective contact surface for switches, sometimes few copper elements or patterns of the PCB board are used for keyboard contacts, LCD contacts and jumpers etc, to do this it’s usable to print some conductive/resistive carbon ink over those copper part, which normally are SMD pads or fingers or other typical contact patterns.

Carbon Ink printing process is screen printing like silk screen process, the carbon ink is printed in the specified location of the PCB, after oven cured and tested, formed a carbon film which with certain resistance to instead of the original resistance components. The difference is that silkscreen is only played a welding role but carbon ink has conductive performance.

The typical thickness of carbon ink is 10-50um, because the carbon ink has good electrical conductivity, so the carbon printed on the finished PCB should have a certain gap to ensure that no short circuits, usually require the min 8mil gap for Hoz copper and min 12mil gap for 1-3oz copper, and the minimum carbon line width is 12mil.

A-TECH is a capable PCB manufacturer to offer Carbon ink process, we require the data files to clearly indicate on which side of the PCB carbon is to be applied and the carbon areas must be properly indicated on specific layers with proper file naming.




A-TECH CIRCUITS Co., Ltd. designs enig pcb finish with immersion silver pcb finish to keep it outstanding among similar products. This product is less likely to be affected by cleaning solvents
enig pcb finish design creates a magical and exquisite effect for enig pcb finish. This product is designed to be safe with no sharp edges
A-TECH enig pcb finish is designed by designers with the expertise of industry. Thanks to its smooth surface, this product is easy to clean
The design of A-TECH immersion silver pcb finish is grounded in thorough research of the existing and target customers. This product has been certified under CE
Our experienced and professional team supports strongly the design of immersion silver pcb finish. Made of stainless steel materials, this product has a hygienic feature
The quality control of this product is conducted by a professional team. This product is not prone to tarnish under heavy-uses
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