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hot-sale pcb mask free free delivery for wholesale

hot-sale pcb mask free free delivery for wholesale
  • hot-sale pcb mask free free delivery for wholesale

hot-sale pcb mask free free delivery for wholesale

Its quality is highly evaluated by authoritative testing organizations.
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Product Comparison
Compared with products in the same category, Multilayer PCB has the following advantages.
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Company Advantages
1. By observing the color or hue, the values ​​from light to dark and the finish must span the range of color families, A-TECH tin plating pcb creates a universal color sense that is shared across material types.
2. Its quality is highly evaluated by authoritative testing organizations.
3. It is defect-free through continuous quality management processes.
4. A-TECH CIRCUITS Co., Ltd. has years of experience in manufacturing pcb mask.


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. The A-TECH brand is a leader in the design, manufacturing, sales and service of the industry.
2. Our manufacturing plant has imported state-of-the-art production facilities. These facilities play a significant role in supporting daily production needs, from product developing stage to the assembly stage.
3. The attention of A-TECH brand would be to maintain optimizing our own service. Ask! Customer satisfaction is the A-TECH CIRCUITS Co., Ltd.'s business objectives. Ask! A-TECH CIRCUITS Co., Ltd. will help you better increase your benefits. Ask!
A-TECH tin plating pcb is fabricated using the high-grade raw material. The speed of this product can be adjusted steplessly
A-TECH tin plating pcb is precisely made by the advanced equipment. This product can be installed at any predetermined pressure
A-TECH tin plating pcb is developed depending on our strong R&D competencies. This product has the advantages of speed and efficiency
A-TECH tin plating pcb has the best features and most unique specs. There is no heat generated during liquid transfer
pcb mask is manufactured by our exquisite materials which are of pcb mask and pcb mask. It has the capability of ultimate pressure, flow output horsepower
It is less susceptible to mold, mildew, and rot. It will not retain moisture which can cause mold and mildew, and thereby causing respiratory problems, irritation, and other health issues. The product is widely applied in the gas and petroleum industry
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