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A-TECH tin pcb surface finish cheapest factory price for wholesale

A-TECH tin pcb surface finish cheapest factory price 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
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Application Scope
With wide application, Multilayer PCB can be used in the following aspects.According to different needs of customers, A-TECH is capable of providing reasonable, comprehensive and optimal solutions for customers.
Company Advantages
1. In A-TECH CIRCUITS Co., Ltd., you can have multiple choices for shapes of pcb surface finish .
2. pcb surface finish is applied to osp pcb finish for its excellent characteristics of pcb gold plating .
3. A-TECH CIRCUITS Co., Ltd. can promise good after-sales service and will tightly follow up the feedback from our customers.
4. A-TECH CIRCUITS Co., Ltd. is equipped with a very large and clean warehouse to store pcb surface finish .

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. A-TECH CIRCUITS Co., Ltd. has been dedicated to the pcb surface finish industry for many decades.
2. A-TECH has successfully established a design center, a standard R&D department, and an engineering department.
3. Exquisite products, perfect service and preferential prices are the business objectives of A-TECH PCB . Inquiry! Providing world-class products/services/processes and exceeding customer expectations is the promise and goal of A-TECH. Inquiry! With the support of professional team, A-TECH has won much recognition. Inquiry!
The raw materials or parts of A-TECH pcb gold plating would be inspected before production. The materials or parts are guaranteed eco-friendly and non-toxic by the suppliers who hold gift&crafts quality certifications. Its surface will not become black compared with the surface of silver
The performance of A-TECH pcb surface finish has been improved by our professional R&D team who try to deliver long-life performance at extended temperature ranges. It is expertly polished for a beautiful finish
A-TECH pcb gold plating is designed by our designers who keep their design process in-house to create an elegant looking and cost-effective packaging product. Due to the endless effort of our staff, the product is precisely made
A-TECH pcb gold plating manufactured by our professional engineers are made to run on natural refrigerant agents rather than traditional synthetics agents used as refrigerants which is the key factor in harmful pollutant reduction. It will undergo a strict quality check before being shipped out
A-TECH pcb gold plating has passed the conducted basic physical tests including tensile property, elongation, rub fastness, flexing, stitch tear, and tongue tear strength. The product has an excellent anti-rust property
The product is able to resist abrasions. It can withstand abrasion caused by scraping or rubbing which will affect its original physical property. Thanks to the advanced production lines, the product is made to be of affordable price
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