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high quality enig pcb finish leveling factory at discount

high quality enig pcb finish leveling factory at discount
  • high quality enig pcb finish leveling factory at discount

high quality enig pcb finish leveling factory at discount

Carbon Ink is typically used to create a protective contact surface for switches, sometimes few copper elements or patterns of...
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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.




The manufacturing of A-TECH osp coating pcb complies with electric industrial standards. All its parts, including wires and cords, plug, and circuit board are manufactured to adapt to the local electricity supply system. Its surface can be treated with different methods such as nickel plating, tin plating, gold plating, etc
The design of A-TECH enig pcb finish resorts to different technologies. Take its print circuit board as an example, it is designed using CAD, CAM, and light painting technology by the technicians. It has received wide recognition in the markets of Japan, the United States, and Germany
A-TECH osp coating pcb has to pass a series of tests. They include mechanical strength test, resistance to heat and fire test, overload protection test, etc. Coated with a protective layer, the product is anti-rust
A-TECH osp coating pcb meets the requirements of energy efficiency standards. It is compatible in the USA, the EU, and China, including minimum energy performance standards (MEPS) and class-average standards. Its raw materials all comply with the international RoHS standard
A-TECH enig pcb finish is developed with the help of advanced solar technology. It adopts the comprehensive technical system which specially caters to the working principle of solar power generation. It is characterized by excellent tensile strength
The product has enough hardness. It can effectively resist scratching due to the friction or pressure from a sharp object. Its surface can be treated with different methods such as nickel plating, tin plating, gold plating, etc
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