Method of making hard, transparent amorphous hydrogenated boron

Coating processes – Direct application of electrical – magnetic – wave – or... – Plasma

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427570, 427561, 4272552, B05D 306

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055187803

ABSTRACT:
This invention is directed to a process for providing a hard, transparent, hydrophobic film of hydrogenated boron nitride on a substrate and the film so made. The process comprises depositing the film condensation from a flux of ions generated from gaseous precursors comprising borazine, the kinetic energy of the ions being between 50 and 300 electron volts per ion. Preferably the process is plasma-enhanced chemical vapor deposition carried out in a radio frequency plasma system.

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