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A-TECH air enig gold manufacturers for wholesale

A-TECH air enig gold manufacturers 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 enig pcb finish is professionally designed. It is designed by a team of experienced professionals with rich experience in the combination of different fabrics and dyes.
This product is manufactured using a technology package - a comprehensive package of design details. Through this, the product can meet the exact specifications of the customer.
A-TECH enig gold goes through a professional design process. It is designed considering mechanical structure, control system, the performance of components and parts, etc.
A-TECH enig gold has undergone a range of manufacturing processes. They are precise machining, laser cutting, welding, surface treating, and heat treatings such as tempering and quenching.
The manufacture of A-TECH enig pcb finish focuses on the basic principles of the following three areas: mechanical behavior, mechanical components'stable performance, and reliable operation.
The product has stable performance and high quality, which can be used for a long time.
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