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highly-rated osp pcb finish gold plated manufacturers at discount

highly-rated osp pcb finish gold plated manufacturers at discount
  • highly-rated osp pcb finish gold plated manufacturers at discount

highly-rated osp pcb finish gold plated manufacturers 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.




The manufacturing of A-TECH osp pcb finish complies with electric industrial standards. All its parts, including wires and cords, plug, and circuit board are manufactured to adapt to the local electricity supply system. The product is not easy to crack even under the high temperature
The design of A-TECH osp pcb finish resorts to different technologies. Take its print circuit board as an example, it is designed using CAD, CAM, and light painting technology by the technicians. It is precisely designed for quick and easy installation
A-TECH enig pcb finish has to pass a series of tests. They include mechanical strength test, resistance to heat and fire test, overload protection test, etc. It can also be passivated, anodized, and degreased to meet the needs of different technical parameters
A-TECH enig pcb finish meets the requirements of energy efficiency standards. It is compatible in the USA, the EU, and China, including minimum energy performance standards (MEPS) and class-average standards. It is pre-coated with anti-corrosion lubricant
A-TECH osp pcb finish is developed with the help of advanced solar technology. It adopts the comprehensive technical system which specially caters to the working principle of solar power generation. It has the property of low shrinkage on heating and low thermal conductivity
The product has enough hardness. It can effectively resist scratching due to the friction or pressure from a sharp object. The product is easy to clean thanks to its smooth surface
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