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A-TECH tin immersion gold pcb cheapest factory price for wholesale

A-TECH tin immersion gold pcb cheapest factory price for wholesale

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
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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.

immersion gold pcb is more applicable in severe conditions with its materials being lead free hasl pcb. It has the advantage of good breaking strength
This product is widely used in the fields of industrial packaging, offices, advertising, shipping, etc It is proved by practices that lead free hasl pcb has the characteristics of lead free hasl pcb.
A-TECH CIRCUITS Co., Ltd. thinks so highly of design for lead free hasl pcb that we invest lots of money in it. The product has a super clear backing to show the brand logo
immersion gold pcb has a broad development prospect and application in immersion gold pcb field due to its outstanding design and high-performance materials. This product features a low unwind force
For its material, we used lead free hasl pcb that was typical for lead free hasl pcb. The product can offer certain buffering from the impact
The product is tested by different standards testing institutions at home and abroad. This product can be applied in the various base materials, such as wood, metal, plastics, leather, and paper
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