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high quality enig pcb silver for business for wholesale

high quality enig pcb silver for business for wholesale
  • high quality enig pcb silver for business for wholesale

high quality enig pcb silver for business for wholesale

A-TECH CIRCUITS Co., Ltd. can offer all sizes of enig pcb. Having passed the perspiration test, it is guaranteed to be of long service life
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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.




The material of lead free hasl pcb is safe even for children. The product is environmental-friendly conforming to the international standard
lead free hasl pcb is of novel design and has characteristics of enig pcb. Thanks to the advanced production lines, the product is made to be of affordable price
enig pcb is especially fits for the usage in lead free hasl pcb. It is finely crafted and has gained 100% customer satisfaction
lead free hasl pcb selected by A-TECH CIRCUITS Co., Ltd. are superior materials for enig pcb. The product meets the international safety standard
Excellent lead free hasl pcb and elegant lead free hasl pcb are enig pcb's biggest strong points. The product features a classic and original design
The product has the advantages of fire resistance. It is able to withstand against the sudden fire or prevent or retard the passage of excessive heat. The product enjoys high popularity across the world like Europe and America
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