high quality enig pcb air cheapest factory price for wholesale

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4 layers PCB with ENIG finish

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Company Advantages
1. The production of A-TECH carbon ink pcb covers a wide range of stages, ranging from materials preparation, formula creation, materials mixing, calcination, moulding, glazing, etc. Thanks to the up-to-date vacuum DES line, it is manufactured with fine traces and high density
2. The product will give the best outcome for the patient and the easiest operation for the healthcare practitioners. It is extremely popular in the markets of Europe, North America, and Asia
3. This product is highly recommended for its high quality and versatility. The product has the performance of great 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 CIRCUITS Co., Ltd. is a major Chinese manufacturer of the well-known enig pcb .
2. In order to improve the core competitiveness, A-TECH has established the technical center for the development of the advanced technology.
3. A-TECH CIRCUITS Co., Ltd. has been advancing the capability to serve customers. Inquire online!

f******s

A-TECH carbon ink pcb is designed with high standard. It is designed to meet, tested or compliant with such international standards as IP Protection, UL, and CE. The edges of the product have been machined to be smooth

k******n

The development of A-TECH carbon ink pcb adopts many disciplines. They are mechanical engineering, applied mechanics, dynamic machinery, numerical control technology, etc. Its surface is not to get rusty

l******x

During the design of A-TECH carbon ink pcb, many factors have been considered. They are fabric quality, color mix, style, stitching workmanship, comfort, and convenience. Optional accessories are available to customers' needs

x******j

A-TECH enig pcb comes into shape after several processes after considering space elements. The processes are mainly drawing, including design sketch, three views, and exploded view, frame fabricating, surface painting, and assembling. The product is widely accepted for its abrasion resistance

w******l

The design of A-TECH carbon ink pcb shows professionalism. The mechanical properties, including materials hardness, structural toughness, efficiency, fatigue resistance have all optimized. Through hardening treatment, it is sturdy enough

a******f

carbon ink pcb is carbon ink pcb as compared with other similar products. Its key components are made of stainless steel which is durable in use

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A-TECH high quality enig pcb cheapest factory price for wholesale