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bulk buy China pcb surface finish free bulk production for wholesale

bulk buy China pcb surface finish free bulk production for wholesale
  • bulk buy China pcb surface finish free bulk production for wholesale

bulk buy China pcb surface finish free bulk production for wholesale

OSP, the full name is Organic Solderability Preservative, it preserves the copper surface from oxidation by applying a very thin...
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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.




During the production of A-TECH osp pcb finish, the accuracy of machining and grinding, surface roughness, concentricity, and verticality are all strictly scrutinized to guarantee high quality. It will be packed in an elegant presentation gift box
A-TECH osp pcb finish is developed with a series of different critical performance properties taken into consideration, and some of these are Tensile, Tear Strength, Coating Adhesion, Weldability, Seam Strength, Flame Resistance, particularly UV and Weathering Resistance. It is of proper weight, showing the real gravity of an accomplishment
A-TECH pcb surface finish is carefully developed based on the guideline of hydromechanics and mechanical dynamics by the R&D department. The R&D team tries to create a product with the most efficient sealing performance. It resists attack by chemicals and radiation
During the development of A-TECH pcb surface finish, sophisticated electric knowledge is involved. Its basic electric structure, design and arrangement of the circuit board, electric performance, and materials are all needed to be considered seriously. It can be one-of-a-kind when adding text, different colors or logos
High-efficient testing tools will be used in A-TECH pcb surface finish. Its electric performance or components quality will be inspected using test pens, thermistor detectors, and fault locators. It is weather resistant and offers sufficient durability in the vast majority of weather conditions
The product has remarkable quality, which has been highly evaluated and proved by the third-party testing organizations in terms of material and workmanship referring to the gifts and crafts. It will be packed in an elegant presentation gift box
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