A-TECH highly-rated lead free hasl pcb carbon for wholesale

Company Advantages
1. pcb mask we quoted are all made of the best lead free hasl pcb in order to meet the requirements of all walks of life in the world. It has passed AOI which ensures there will be no errors or welding defects
2. The product is highly acknowledged by customers in the industry. Its robust structure allows it to be used in harsh environments
3. The product is free of harmful chemical substance. During the preliminary stage, all of its materials and parts have been tested and proved toxic-free. The product has dynamic and mechanical stability

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 gets the hang of fashion trend and does our utmost to create a international pattern. A-TECH is well-known for its technology capability in pcb mask industry.
2. lead free hasl pcb makes immersion silver pcb to provide protection for human.
3. A-TECH CIRCUITS Co., Ltd. takes pride in its hard gold pcb technology. Our company thinks highly of social responsibility. We always comply with the human rights standards which have a direct relation to employees' welfare and of course, we will actively partake in consumer protection activities. Check now!