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high quality enig pcb mask cheapest factory price for wholesale

high quality enig pcb mask cheapest factory price for wholesale
  • high quality enig pcb mask cheapest factory price for wholesale

high quality enig pcb mask cheapest factory price for wholesale

Good properties of lead free hasl pcb are main advantages for pcb gold plating .
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Application Scope
A-TECH's Multilayer PCB can be used in different fields.A-TECH is dedicated to providing professional, efficient and economical solutions for customers, so as to meet their needs to the greatest extent.
Company Advantages
1. The design and production techniques of A-TECH lead free hasl pcb are competitive in the industry.
2. enig pcb , by adopting lead free hasl pcb, is conducive to showing the uniqueness of this product.
3. Good properties of lead free hasl pcb are main advantages for pcb gold plating .
4. We tested it and we had no more leaks - so it works like the charm. So pleased with this. - Said one of our customers.
5. The product, being able to provide clean water, can reduce plastic waste by cutting people's consumption for bottle waters.


Immersion Silver, it’s also known as Immersion Ag, it’s produced by the selective displacement of the copper atoms by silver atoms on the exposed copper surface. As an improvement on HASL with more flat surface, the cost of Immersion Ag is more expensive than HASL but less expensive than Immersion Gold.

Immersion Ag is a RoHS compliant finish, and it’s compatible with surface mount, BGA and through hole components. The typical thickness of Imm Ag is 0.1-0.3um and the shelf life is 6-12 months.



The advantages of Immersion Silver

● Absolutely flat
● Good for fine pitch and SMD
● Good for press fit connector’s capability
● Excellent solderability
● Multiple heat cycles during assembly process
● It’s reworkable



The disadvantages of Immersion Silver

● Very sensitive to handling / tarnishing / cosmetic concerns – gloves must be used
● Short operating window between assembly stages
● Not recommended to use peelable masks
● Special packaging required – if packaged opened and not all boards used, it must be resealed quickly
● Reduced supply chain options to support this surface finish



A-TECH offers the surface finish of immersion silver, since this finish is much more sensitive in manufacturing and it’s more susceptible to temperature and humidity than other finishes, we use special operation standards and higher level of packing standards to ensure excellent appearance of immersion Ag.




Company Features
1. Serving as an outstanding enig pcb manufacturer, A-TECH CIRCUITS Co., Ltd. is deeply trusted by customers.
2. A-TECH CIRCUITS Co., Ltd. has successfully got several patents for technology.
3. A-TECH PCB believes that good communication is the most important of cooperation. Contact us! A-TECH CIRCUITS Co., Ltd. has always been committed to advocating a culture of cooperation and persisting in work. Contact us! A-TECH CIRCUITS Co., Ltd. will continue to create new products to boost its reputation and visibility. Contact us!
All of the designing details of A-TECH pcb gold plating are specified in the spec sheet. They include measurements, tolerance, fabric types, sewing techniques, and so on. The product can offer certain buffering from the impact
The choice of the materials for A-TECH lead free hasl pcb is rigorous. It takes factors such as screen gain, color shift and sound loss into consideration. Its thickness allowance will be controlled within 3
The manufacturing process of A-TECH enig pcb covers the following stages: foot shape collection, graphic design, molding, trimming, and antibacterial finishing. It has been widely exported to Taiwan, the USA, Europe, Southeast Asia, and the Middle East
The raw materials of A-TECH lead free hasl pcb are sourced and handled in a strict manner. They have to be cleansed, measured, moisture removed, and tested for harmful substances to make sure they are in line with standards for furniture pieces. The product can offer certain buffering from the impact
A-TECH pcb gold plating is carefully designed. Special emphasis is placed on its human and functional factors as well as the aesthetics and use of materials. It has been widely exported to Taiwan, the USA, Europe, Southeast Asia, and the Middle East
This product has low chemical emissions. It is granted with a Greenguard certification which means it has been tested for more than 10,000 chemicals. The product, with strong adhesive holding power, can withstand heavyweight
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