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highly-rated hasl pcb finish air bulk production at discount

highly-rated hasl pcb finish air bulk production at discount
  • highly-rated hasl pcb finish air bulk production at discount

highly-rated hasl pcb finish air bulk production at discount

Immersion gold or ENIG, the full name is Electroless nickel / Immersion gold, It’s a RoHS compliant finish that provides a...
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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.




A-TECH osp pcb finish has passed the prescribed tests. The testing mainly includes verifying appliance characteristics, measuring energy efficiency and consumption, and assuring electrical safety. Our water parks designed for foreign customers are all unique and very successful
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The production procedures of A-TECH hasl pcb finish are professional. It is treated with winding, drawing in, looming, shedding, and beating-up processes which comply with the requirements of the textile industry. Our Inflatable Water Park are safe and harmless
The design of A-TECH osp pcb finish is governed by a set of principles which are emphasis, rhythm, unity, balance and scale, and proportion. Originally created eyelet connection system by Bouncia makes the whole park very stable
A-TECH osp pcb finish is designed based on extensive research, testing and knowledge to create the optimal balance of waterproofing, tear strength and weight. Our Inflatable Water Park achieves to a high level in terms of quality and safety
Properties like osp pcb finish of osp pcb finish help customers highly minimize their costs of operation and maintenance. Our Inflatable Water Park are safe and harmless
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