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A-TECH China carbon pcb company for wholesale

A-TECH China carbon pcb company for wholesale

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 carbon pcb must go through these following production stages, including metal materials procurement and preparation, components machining, surface polishing, and assembly. It will bond instantly as soon as people apply it and add pressure to it, saving the time waiting for the adhesive to cure
A-TECH carbon pcb has been tested according to the general standards. It is tested in terms of functionality, strength, stiffness, wears, and corrosion.
A list of factors is taken into account of A-TECH carbon pcb conception. They involve complexity, feasibility, optimization, tests, etc. of a machine. With strong acrylic adhesive, the product is distinguished by excellent holding force
Lots of factors are taken into consideration in A-TECH carbon pcb design. They are required motion, required space, speed of operation, required labor, etc. The product is water- and moisture-resistant
There are many factors being considered during A-TECH carbon pcb design. They include the selection of material, form and size of the parts, frictional resistance and lubrication, and safety of the operator. This product is easy to tear off by hand
It has the proper size in consideration of the force. Each element of this product is designed with the most suitable size by considering the force acting on it and the permissible stresses for the material used. The product can provide an excellent sealing function
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