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A-TECH osp finishing cheapest factory price for wholesale

A-TECH osp finishing cheapest factory price for wholesale

Thickness
0.1-0.3um
Shelf Life
6-12 Months
Solderability
Good
RoHS Compliant
Yes
Additional Cost
Yes
Supply Capacity
5000 ㎡/Month
Certifications
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Standard
IPC CLASS 2 / CLASS 3
Price
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Quantity Needed:
Pieces
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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 enig pcb finish covers some basics steps. They are the research based on feet shape, CAD design, material cutting, stamping, sewing, and stitching, and assembly. Its stainless steel raw materials make it easy to clean
A-TECH enig pcb finish has been verified by passing various on-site tests. They cover fitting testing, seam strength testing, dry & wet crocking testing, fatigue testing, etc. The product is widely accepted for its abrasion resistance
The design of A-TECH enig pcb finish is a good integration of all fashion elements. They are color, texture, lines, shape (silhouette), proportion, and so forth. The product has a high-hardness surface
A-TECH enig pcb finish is manufactured under the guideline of a well-plan flow chart. It is cut, sewed, stitched, dyed, cleaned, and attached with logos or brand information respectively. It is manufactured to meet international safety requirements
During the production of A-TECH enig pcb finish, a quality check is seriously conducted. The product has been checked for dimension precision, edge handling quality, colorfastness, and trimming quality. Adopting stainless steel as the key materials, it is not easy to crack
The product has been improved in the heat dissipation capacity. Adopting reasonable and reliable electric circuits, the whole operation process features high efficiency. Its stainless steel raw materials make it easy to clean
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