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A-TECH hard carbon ink pcb for business for wholesale

A-TECH hard carbon ink pcb for business 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.




Fine workmanship has been adopted during the production of A-TECH enig pcb finish. It is fabricated under mold shaping or compression molding to achieve robust and stiff mechanical structure. It has low water absorptivity in the damp environment
The manufacture of A-TECH carbon ink pcb includes the specific design of the polymer optical component, assembly, concept and prototype testing through to mass production with multiple injection molding processes, optoelectronic assembly, and packing. It can reduce the electrical signal loss and provides the highest efficiency
A-TECH carbon ink pcb has a good design. With the efforts of our in-house professional designers, it has quite attractive visual effects. Its robust structure allows it to be used in harsh environments
A-TECH enig pcb finish will be carefully packed before shipment. Insert it into a protective plastic cover by hand or by robot. It is offered with low dielectric loss
In terms of surface finishes, A-TECH enig pcb finish provide all possible options. The surface treatment is available in a variety of ways. It is widely used in different electronics industries, such as telecommunication and consumer electronics
The product has been tested to meet international quality standards.
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