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High performance sealing system composed by nitrite silicon coated with diamond films A research group from a Portuguese university has developed a high performance sealing system, composed of rings produced by the ceramic coating of silicon nitride (Si3N4) with diamond films obtained by CVD (Chemical Vapor Deposition value). This sealing system has a low friction, high wear resistance, high levels of adherence and a good sealing capacity. Inventor/s UATEC University of Aveiro António Fernandes Flávia Almeida Filipe Oliveira Industry Structural Sponsor Institution Universidade de Aveiro Are you interested in this technology? Use the form below to send an email to the inventor. Name: Email: Message: Enter the text from the image above: