A-TECH highly-rated silver coating pcb immersion for wholesale

Company Advantages
1. A-TECH immersion tin pcb is produced under the vigilance of proficient professionals. Being laminated by advanced vacuum lamination equipment, it has a uniform dielectric thickness after lamination
2. This product can meet the challenge of the market competition. It is characterized by high thermal conductivity and good heat dissipation
3. The product is safe enough. All its electrical components comply with relevant standards of EN or IEC, which means that the dangers of electric leakage are totally eliminated. It has low water absorptivity in the damp environment
4. The product generates an only little amount of electromagnetic radiation. It has been tested to prove that it has a very low electromagnetic wave which has limited influence. It can reduce the electrical signal loss and provides the highest efficiency

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. Serving as a globally advanced manufacturer of immersion tin pcb , A-TECH CIRCUITS Co., Ltd. always puts quality in first place.
2. A-TECH CIRCUITS Co., Ltd. is very good at integrating technology and experience into pcb surface finish .
3. Our consistent ambition of carbon pcb allows customers to experience our commitment to achieving value. Call now!