CPC G02B 5/0833 (2013.01) [G02B 5/286 (2013.01)] | 24 Claims |
1. Apparatus comprising:
a conductive substrate; and
a coating on the conductive substrate and having a color, the coating comprising:
adhesion and transition layers,
a CrSiN layer on the adhesion and transition layers, the CrSiN layer being opaque to light of the color, and
an uppermost layer on the CrSiN layer, the uppermost layer comprising a CrSiC film.
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