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highly-rated pcb surface finish silver free delivery for wholesale

highly-rated pcb surface finish silver free delivery for wholesale
  • highly-rated pcb surface finish silver free delivery for wholesale

highly-rated pcb surface finish silver free delivery for wholesale

The product's most critical features include softness, durability and health benefits. A choice of multiple colors and styles is also one of the reasons why it sells well.
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Product Details
With the dedication to pursue excellence, A-TECH strives for perfection in every detail.
Company Advantages
1. Production processes of A-TECH pcb surface finish mainly include several parts: fibers preparation, washing, loosening, fabric dyeing, combing, and others.
2. This product features high hardness. The metal materials enable it to resist the influence of other objects that are much harder.
3. The product's most critical features include softness, durability and health benefits. A choice of multiple colors and styles is also one of the reasons why it sells well.
4. This product has the advantage of cost-effectiveness and has become a trend in this field.
5. The product, being able to dehydrate different kinds of food, helps save much money on buying snacks. People can make the delicious and nutritious dried eatables with little cost.


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 CIRCUITS Co., Ltd. is known for its high quality pcb surface finish .
2. So far, we have exported products to most parts of Asia and America. And we have got lots of appreciation from those customers based on our long-term stable cooperation.
3. We will focus on the objective of differentiating the products. We will make efforts to drive upgrade in research and development, with an aim to creating more distinctive products for clients. We take actions to deliver environmental, social and commercial benefits. We create joint sustainability initiatives by identifying and building partnerships with our customers, suppliers and the communities in which we operate.
All of the designing details of A-TECH pcb surface finish are specified in the spec sheet. They include measurements, tolerance, fabric types, sewing techniques, and so on.
The choice of the materials for A-TECH pcb surface finish is rigorous. It takes factors such as screen gain, color shift and sound loss into consideration.
The manufacturing process of A-TECH silver coating pcb covers the following stages: foot shape collection, graphic design, molding, trimming, and antibacterial finishing.
The raw materials of A-TECH silver coating pcb are sourced and handled in a strict manner. They have to be cleansed, measured, moisture removed, and tested for harmful substances to make sure they are in line with standards for furniture pieces.
A-TECH silver coating pcb is carefully designed. Special emphasis is placed on its human and functional factors as well as the aesthetics and use of materials.
This product has low chemical emissions. It is granted with a Greenguard certification which means it has been tested for more than 10,000 chemicals.
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