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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.

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pcb surface finish Carefully designed by professional designers, the design is scientific and reasonable, and selected high-quality raw materials are processed with advanced technology to make it of excellent quality and more durable.

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The pcb surface finish we produce is fine in workmanship, reasonable in design, excellent in performance and stable in quality, and is a trustworthy high-quality product.

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A-TECH CIRCUITS Co., Ltd. has a modern factory building, and introduces advanced pcb surface finish production equipment, and pcb surface finish after the production is completed, it will be tested by the relevant national departments to meet the national quality standards, ensuring that it not only has high output, but also stable performance and high quality .

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A-TECH CIRCUITS Co., Ltd. There is a product research and development department with professional design talents. The structural design of each part of pcb surface finish is more independent and creative. The designed product has a novel appearance and is equipped with exquisite workmanship. Carved and portrayed carefully in both places and as a whole, the final finished product is of high quality and extraordinary quality.

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The company has been engaged in the production and sales of pcb surface finish for many years. It not only has advanced production and quality inspection equipment, but also has established a scientific quality inspection system.

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pcb surface finish Selection of high-quality materials, combined with multi-channel complex process manufacturing, reliable performance, high quality, long service life, wide application range, suitable for connecting various electrical equipment.

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