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high quality pcb surface finish free cheapest factory price for wholesale

high quality pcb surface finish free cheapest factory price for wholesale
  • high quality pcb surface finish free cheapest factory price for wholesale

high quality pcb surface finish free cheapest factory price for wholesale

A-TECH hard gold pcb will go through quality assurance tests. It has passed electric component anti-fatigue testing, insulation level, energy-saving level, and electromagnetic safety test. It has low water absorptivity in the damp environment
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Company Advantages
1. A-TECH hard gold pcb will go through quality assurance tests. It has passed electric component anti-fatigue testing, insulation level, energy-saving level, and electromagnetic safety test. It has low water absorptivity in the damp environment
2. If you can trust in us, A-TECH CIRCUITS Co., Ltd. will never let you down for the quality of pcb surface finish .
3. pcb surface finish can be used for hard gold pcb . It can be manufactured with a customized thickness


Immersion gold or ENIG, the full name is Electroless nickel / Immersion gold, It’s a RoHS compliant finish that provides a very flat surface and a very reliable solder joint.

ENIG finish is applied through the deposition of an initial layer of Nickel onto the copper surface, followed by a thin protective layer of gold, Nickel characteristics of hardness, wear resistance, solderability and uniformity of deposition makes this an excellent surface finish. The thin layer of gold preserves the solderability of the finish by preventing oxidization of the highly active nickel surface.

Basically the gold thickness of ENIG is 1-5U” and the nickel thickness is 120-240U”, the shelf life of immersion gold PCB can reach to 12 months.



The advantages of immersion gold finish

● Excellent flatness
● RoHS compliant
● Long shelf life
● Suitable for fine pitch, BGA or smaller components
● Wire bondable
● Good for SMD and press fit



The disadvantages of immersion gold finish

●Expensive finish
●Black pad concerns on BGA



A-TECH own immersion gold line in house, it’s the most used finish in our plant nowadays especially for multilayer PCBs with BGA or fine pitch. We offers ENIG finish with competitive cost and high level of quality for both of thickness and appearance.




Company Features
1. A-TECH enjoys a good reputation for its pcb surface finish .
2. A-TECH CIRCUITS Co., Ltd. has a number of advanced production lines for osp pcb .
3. Welcome to make inquiries for our great peelable mask pcb . Inquiry!
The body framework of osp pcb using pcb surface finish concept has more advantages. The internal structure of the product compensates for shaft deflections and housing distortions caused by the heavy loads
pcb surface finish is developed with high-performance hard gold pcb materials. It can be found in many fields like the fields of navigation, construction, crane, mining, and railway
A-TECH CIRCUITS Co., Ltd. ensures that all the materials we use for peelable mask pcb are safe and environmentally friendly. The high-quality roller bearing can help the product achieve high thrust capacity
peelable mask pcb has many advantages, it is the ideal new type of hard gold pcb. With a compact radial structure, it has a strong bearing capacity
Design of osp pcb have helped hard gold pcb win the market. The roller and thrust bearing are separable, making it easy to conduct maintenance and inspection
The product quality has been strictly guaranteed throughout the whole production. Thanks to the high-grade steel ball, it stays quiet and smooth during high-speed running
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