VISIBLE-LIGHT-REFLECTING COATINGS FOR ELECTRONIC DEVICES
An electronic device may include conductive structures having a visible-light-reflecting coating. The coating may include a seed layer, transition layers, a neutral-color base layer, and an uppermost layer that forms a single-layer interference film. The neutral-color base layer may be opaque to vis...
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
15.09.2021
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Subjects | |
Online Access | Get full text |
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Abstract | An electronic device may include conductive structures having a visible-light-reflecting coating. The coating may include a seed layer, transition layers, a neutral-color base layer, and an uppermost layer that forms a single-layer interference film. The neutral-color base layer may be opaque to visible light. The interference film may include silicon and may have an absorption coefficient between 0 and 1. The interference film may include, for example, CrSiCN or CrSiC. The composition of the interference film, the thickness of the interference film, and/or the composition of the base layer may be selected to provide the coating with a desired color in the visible spectrum (e.g., at blue or purple wavelengths). The color may be relatively stable even if the thickness of the coating varies across its area. |
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AbstractList | An electronic device may include conductive structures having a visible-light-reflecting coating. The coating may include a seed layer, transition layers, a neutral-color base layer, and an uppermost layer that forms a single-layer interference film. The neutral-color base layer may be opaque to visible light. The interference film may include silicon and may have an absorption coefficient between 0 and 1. The interference film may include, for example, CrSiCN or CrSiC. The composition of the interference film, the thickness of the interference film, and/or the composition of the base layer may be selected to provide the coating with a desired color in the visible spectrum (e.g., at blue or purple wavelengths). The color may be relatively stable even if the thickness of the coating varies across its area. |
Author | MELCHER, Martin POSTAK, Sonja BAO, Lijie TRYON, Brian S |
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DocumentTitleAlternate | BESCHICHTUNGEN MIT REFLEXION VON SICHTBAREM LICHT FÜR ELEKTRONISCHE VORRICHTUNGEN REVÊTEMENTS RÉFLÉCHISSANT LA LUMIÈRE VISIBLE POUR LES DISPOSITIFS ÉLECTRONIQUES |
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RelatedCompanies | Apple Inc |
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Snippet | An electronic device may include conductive structures having a visible-light-reflecting coating. The coating may include a seed layer, transition layers, a... |
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SubjectTerms | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TELEPHONIC COMMUNICATION |
Title | VISIBLE-LIGHT-REFLECTING COATINGS FOR ELECTRONIC DEVICES |
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