Nicken-phospho cho linh kiện điện tử
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Coating system for connectors
With NIPHOS® 965 nickel-phosphorus alloy layers can be deposited in reel-to-reel electroplating systems or other high speed systems. In comparison to high-phosphorus containing electroless nickel layers, nickel-phosphorus layers produced by electrolytes are amorphous, diamagnetic, abrasion and corrosion resistant as well.
It is possible to work with soluble anodes (nickel), insoluble anodes (platinum-plated titanium or MMO) or a combination of both. The lifetime is almost unlimited and corresponds to the one of bright nickel electrolytes.
NIPHOS® is insensitive to contaminations with metallic particles. In contrary to electroless nickel it does not tend to random plating. Also the electrolytes are free from halides and contain no other heavy metals such as lead or cadmium, besides nickel.
NIPHOS® 965 is chloride-free and pH-stable during operation. The phosphorus content of the coatings is 6 - 12 %. The hardness of the layers is 550 HV 0.05 as plated without heat treatment. NIPHOS® 965 coatings are applied prior to hard-gold plating (e.g. AURUNA® 8100) of contact surfaces.
Advantages
- Savings on precious metals
- For electrolytic deposition of nickel-phosphorus alloy layers
- Content of phosphorus 6 - 12 %
- Application as intermediate layer prior to hard-gold plating of contact surfaces
- Used as a diffusion barrier between nickel and tin layers in reflow applications
- Chloride-free
- pH-stable
- Application in reel-to-reel lines
Applications
- Connectors
- Smartcards
- Leadframes
Umicore is a global materials technology and recycling group, with about 10,000 employees and a turnover of € 10.4 billion in 2015. Umicore generates the majority of its revenues and dedicates most of its R&D efforts to clean technologies, such as emission control catalysts, materials for rechargeable batteries and recycling. Umicore’s overriding goal of sustainable value creation is based on an ambition to develop, produce and recycle materials in a way that fulfils its mission: materials for a better life.
