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highly-rated peelable solder mask pcb lead company at discount

highly-rated peelable solder mask pcb lead company at discount
  • highly-rated peelable solder mask pcb lead company at discount

highly-rated peelable solder mask pcb lead company at discount

Immersion Silver, it’s also known as Immersion Ag, it’s produced by the selective displacement of the copper atoms by silver...
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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.




This kind of hasl pcb finish is practical and economical for the needs of peelable solder mask pcb. It does not release any toxic gas or chemical while being disposed of
The principal part of peelable solder mask pcb is made by advanced peelable solder mask pcb. The product has the advantage of excellent moisture resistance
In order to strictly control quality, A-TECH CIRCUITS Co., Ltd. selects hasl pcb finish as raw material. The product comes with various kinds of colors
Different from common material, material for hasl pcb finish gains the absolute advantage in characteristics of hasl pcb finish. This product is easy to be printed with anything like the logo or pattern on it
Dissipation factor is small for peelable solder mask pcb. The product comes with various kinds of colors
The product stands out for its good heat dissipation. Built-in latest cooling system with adequate airflow, it can work or stand by for a long time. The product is both reusable and recyclable
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