Conductive Color Coatings
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Nov 30, 2023
filing date -
Nov 30, 2023
priority date (Note) -
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Abstract
An electronic device such as a power charger may include a conductive contact that conveys power signals. A coating may have adhesion and transition layers on the contact. The coating may have a thin-film interference filter having an uppermost layer that includes diamond-like carbon (DLC). If desired, the thin-film interference filter may have additional DLC layers stacked under the uppermost layer. The DLC layer(s) may include nitrogen to optimize corrosion resistance. The DLC layer(s) may include first and second metal dopants such as tungsten and chromium to optimize the electrical resistance and conductivity of the coating. The coating may exhibit a deep black, grey, and/or blue color.
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