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A-TECH bulk buy China immersion silver pcb finish Supply for wholesale

A-TECH bulk buy China immersion silver pcb finish Supply 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
Get Latest 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.




A-TECH immersion tin pcb finish is designed with high standard. It is designed to meet, tested or compliant with such international standards as IP Protection, UL, and CE. It can function normally even under low temperature and high pressure
The development of A-TECH immersion silver pcb finish adopts many disciplines. They are mechanical engineering, applied mechanics, dynamic machinery, numerical control technology, etc. It is widely used by Apple, IKEA, and other famous companies
During the design of A-TECH immersion tin pcb finish, many factors have been considered. They are fabric quality, color mix, style, stitching workmanship, comfort, and convenience. Its surface is not to get rusty
A-TECH immersion tin pcb finish comes into shape after several processes after considering space elements. The processes are mainly drawing, including design sketch, three views, and exploded view, frame fabricating, surface painting, and assembling. It is manufactured to meet international safety requirements
The design of A-TECH immersion silver pcb finish shows professionalism. The mechanical properties, including materials hardness, structural toughness, efficiency, fatigue resistance have all optimized. It has a strong adjustment function, ensuring the calibration accuracy
immersion tin pcb finish is immersion silver pcb finish as compared with other similar products. The product has a high-hardness surface
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