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A-TECH highly-rated immersion silver pcb free delivery at discount

A-TECH highly-rated immersion silver pcb free delivery at discount

Thickness
0.2-0.65um
Shelf Life
6 Months
Solderability
Good
RoHS Compliant
Yes
Additional Cost
No
Supply Capacity
15000 ㎡/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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OSP, the full name is Organic Solderability Preservative, it preserves the copper surface from oxidation by applying a very thin protective layer of material over the exposed copper usually using a conveyorized process. It uses a water-based organic compound that selectively bonds to copper and provides an organometallic layer that protects the copper prior to soldering. It’s also extremely green environmentally in comparison with the other common lead free finishes, which Suffer from either being more toxic or substantially higher energy consumption.

The typical thickness of OSP is 0.2 – 0.65um and the shelf life is 6 months. It’s a simple manufacturing process to make OSP, and like HASL finish, the production cost of OSP is lower than most of other surface finishes.



The advantages of OSP 

● Cost effective / Low cost
● Simple process
● Excellent flatness
● Re-workable
● Clean, environmentally friendly process



The disadvantages of OSP

● Short shelf life
● Very sensitive to handling – gloves must be used and scratches avoided
● Short operating window between assembly stages
● Not suitable for multiple soldering processes
● Difficult to inspect or measure thickness



A-TECH own OSP line in house, it’s nowadays mainly used to build single-sided FR4 PCB or aluminum PCB with low cost requirements.




For its material, we used immersion silver pcb that was typical for immersion silver pcb finish.
The different materials are designed by A-TECH CIRCUITS Co., Ltd. to create a rich variety of immersion silver pcb.
immersion silver pcb has been developed using immersion silver pcb finish idea, which has some distinct characters, such as immersion silver pcb finish.
immersion silver pcb is made of high quality immersion silver pcb finish with perfect performance such as immersion silver pcb finish.
A-TECH CIRCUITS Co., Ltd. uses the most advanced technique in China, in order to produce the most high quality immersion silver pcb.
The product is characterized by precise dimensions. At the very beginning stage of pattern making, its sizes have been controlled within a very limited tolerance.
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