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Picodeon's Diamond-like Coatings Shine

The company's US PLD technology delivers improved reliability in applications where through-thickness defects may cause delamination of thin films and serious damage to components


Finnish coating technology specialist Picodeon has developed a technique for depositing diamond-like films onto a wide range of substrates using its patented ultra-short pulsed laser deposition (US PLD) technology.

This technology can be used in the manufacturing of compound semiconductor devices.

Diamond-like coatings create superhard surfaces (greater than 40 Gpa) with a low coefficient of friction and excellent coating adhesion.



Picodeon's cutting tool coating



The US PLD deposition process uses a high laser pulse repetition rate and fan-shaped plasma bloom which enables high production rates and makes feasible the industrial coating of large surfaces at film thicknesses down to the nanoscale.

Applications for diamond-like coatings range from machine tooling components through to wear components for medical, optical and sensor applications.

“Any components that need to have the highest possible hardness or wear-resistance can achieve improved lifecycles, greater heat and pressure resistance and/or improved performance with diamond-like coatings," says Picodeon CEO Marko Mylläri. “Our US PLD deposition process can deliver the exact surface defined by our customers’ engineers because of the high level of tuning enabled by our process." 

Picodeon’s US PLD deposition is a cold ablation technology which works across a vast range of coating materials and substrates. By adjusting processing parameters, the structure and properties of the coating can be tailored to the requirements of the application, even for nanostructure-scale surface coatings.

The US PLD technology delivers very high coating integrity without pinholes, giving improved reliability in applications where through-thickness defects may cause delamination of thin films and serious damage to components.

In addition to diamond-like coatings, US PLD technology, under the tradename Coldab, enables the deposition of carbon nitrides, carbon nitride composites containing PTFE or boron nitride (BN) as well as a wide range of other borides, oxides and precious metal thin films.

Picodeon says its Coldab US PLD technology enables high production rates and coating qualities and opens new possibilities and applications for pulsed laser deposition coatings.

In selected areas it may even enable the development of exclusive coating methods.



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