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A-TECH lead immersion silver pcb free delivery at discount

A-TECH lead immersion silver pcb free delivery at discount

Shelf Life
6 Months
RoHS Compliant
Additional Cost
Supply Capacity
15000 ㎡/Month
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Get Latest Price
Get the latest price
Quantity Needed:
Company Advantages
1. The design team of A-TECH immersion silver pcb keeps a close eye to the trend of the product so that the ever-changing market needs can be met. It stands out for its impact endurance performance
2. This well-designed product achieves fantastic lighting effects, which is not only good for people's eyes but also for the mood. It is widely used in different electronics industries, such as telecommunication and consumer electronics
3. This product has good electromagnetic compatibility. The spacing of the transmission lines in the circuit board will be scientifically arranged to help reduce the interference caused by transient currents. A smooth part is added on its PTH line to reduce the roughness of through hole

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 applications of thick copper PCBs

● 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.

Company Features
1. A-TECH ranks top in immersion silver pcb industry. The standard nature of these processes permits us to fabricate hasl pcb finish .
2. Whenever there is any problems for our peelable mask pcb , you can feel free to ask our professional technician for help.
3. We have the capability of researching and developing state-of-the-art technologies of carbon pcb . The commitment of our company is to provide real-time and professional service for our customers. Now we are enhancing our OEM & ODM capacity so as to better meet customers' needs. Contact us!
hasl pcb finish is more applicable in severe conditions with its materials being carbon pcb. It can be used by hands or automatic carton sealing machines
It has the advantage of good breaking strength It is proved by practices that hasl pcb finish has the characteristics of peelable mask pcb.
A-TECH CIRCUITS Co., Ltd. thinks so highly of design for carbon pcb that we invest lots of money in it. There is no residual glue after stripped off
carbon pcb has a broad development prospect and application in immersion silver pcb field due to its outstanding design and high-performance materials. The product is available in many different sizes and viscosity levels
For its material, we used carbon pcb that was typical for hasl pcb finish. The product is water- and moisture-resistant
The product is tested by different standards testing institutions at home and abroad. Its thickness allowance will be controlled within 3
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