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A-TECH free immersion silver pcb bulk production for wholesale

A-TECH free immersion silver pcb bulk production for wholesale

RoHS Compliant
Additional Cost
Supply Capacity
5000 ㎡/Month
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Get Latest Price
Get the latest price
Quantity Needed:
Company Advantages
1. A-TECH immersion silver pcb is manufactured using high-quality raw materials together with a mix of man and machine. It is widely used in different electronics industries, such as telecommunication and consumer electronics
2. People praise the beautiful metallic surface of this product whose finish makes it more durable with the quality coating. It is extremely popular in the markets of Europe, North America, and Asia
3. With different material and technology processing, immersion silver pcb features its high performance. It has high tensile strength and can be deformed without breakage
4. The quality control technicians perform quality control checks on every article before shipment. It is 100% produced in accordance with IPC-6012 & IPC-A-600F standards
5. This product features easy usage and best performance. It is characterized by high thermal conductivity and good heat dissipation

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.

Company Features
1. With increasing needs from customers, A-TECH CIRCUITS Co., Ltd. is expanding its factory to pursue bigger capacity.
2. A-TECH CIRCUITS Co., Ltd. is equipped with experienced and professional technical group to ensure quality.
3. A-TECH PCB adheres to the development philosophy of respecting life and development trends. Check now!
After many times of iterations, sole weight of enig pcb finish'body frame is effectively decreased. This product is renowned for its easy-to-operate structure
The design of enig pcb finish is original and you can never find another company with this design. It can be customized into a horizontal or vertical style
A-TECH CIRCUITS Co., Ltd. supplies enig pcb finish enjoying a good reputation about its immersion silver pcb. Its heavy-duty design makes it strongly withstand extreme temperature variations
The good-looking appearance of enig pcb finish has caught the eyes of more customers. This product is safe enough to operate since it has no sharp edges
The smooth operation of immersion silver pcb ensures the effective use of immersion silver pcb. With an intuitive touch screen, it allows users to easily take control of the entire production process
The product has good heat dissipation. Usually constructed from composite metal materials which have a very high thermal conductivity, it features a high rate of heat transfer. The dust will be not easy to accumulate on this product
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