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Systems

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What is Plasma?

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Plasma assisted physical vapour deposition

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Brazing

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Plasma Treatment of Surfaces

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Plasma Treatment of Silk

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Anti corrosion coating

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PVD coating on the inner surface of tubes

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Plasma technology in medicine.

 
SERVICES

Bangalore Plasmatek can, at present, deposit following coatings on cutting tools and other components.

Aluminium, Titanium, Nickel, Copper, Stainless steel, Gold, Silver, Special alloys, Titanium Nitride (TiN), Titanium Carbide, Titanium Carbonitride (TiCN), Multilayer coatings, Composite coatings.

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RESEARCH & DEVELOPMENT

The coating system at Bangalore Plasmatek, which includes vacuum arc and magnetron sources, was developed indigenously. The processes for various coatings are also developed in house.

Bangalore Plasmatek enjoys taking up challenging research and development projects.

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PVD coating on the inner surface of tubes


PVD coating is generally a line of sight process. It is difficult to coat inner surfaces of long tubes. Maximum depth to which coating reaches is equal to the diameter of the tube. Sometimes coating would be required all along the length on the internal surface. Bangalore Plasmatek has built a special coating machine for such applications.

The cathode is in the form of a long cylindrical tube around which the tube to be coated is placed. The arc on the cathode is controlled by a suitable magnetic field. Copper up to fifty microns has been coated on the inside surfaces of a number of stainless steel bellows. Other metals like titanium, aluminum, nickel, stainless steel etc can be easily deposited using this machine.
 

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