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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!
A-TECH peelable mask pcb is developed after careful consideration. It is created based on the theory of maximum heat dissipation for devices by our in-house R&D department. With a micro-computer control system, it is able to check the sales data
Many design factors of A-TECH hard gold pcb have been taken into consideration by our designers during the preliminary stage. These factors include thermal resistance, materials, fin efficiency, and spreading resistance. Its body is designed to restrict UV rays, light, and heat transmission
During the developing of A-TECH osp pcb, several important factors are considered such as sink level requirements, component level requirements, system level requirements, and chassis level requirements, to achieve the optimized heat transfer effect. Made of thick steel panel, it is durable and dust-proof
Several key considerations for designing A-TECH peelable mask pcb have taken into account, including heat resistance, fin arrangement, location of fins, fin efficiency, thermal interface materials, etc. It can be designed with mechanical keyboards with luminous LED light
A-TECH hard gold pcb is created by the R&D team who spent lots of time and efforts analyzing its thermal performance and the most appropriate contact area for the product and the devices. Its body is designed to restrict UV rays, light, and heat transmission
The product achieves a better heat dissipation effect. It is specially designed with a temperature higher than the surroundings to transfer heat by convection, radiation, and conduction. It is equipped with high-performance sensors for bill validation
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