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US 11,467,540 B2Granted
External element made of zirconia with selectively conductive zones for electronic applications
AssigneeThe Swatch Group Research and Development Ltd
InventorsLoic Curchod, Simon Springer
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Abstract
An external element made from a first material for a wearable object, the first material being an insulating ceramic, wherein a surface of the external element is at least partially treated to include at least one conversion with an electrical conductivity.
Claims12
An external element for a wearable object,
- the external element being made from a first material, the first material being an insulating ceramic,
- wherein a peripheral surface of the external element is treated locally so that the surface includes an insulating zone and a conductive zone, the conductive zone including at least one conversion with a non-zero electrical conductivity,
- wherein the surface includes at least one protruding portion protruding above a top surface of the external element,
- wherein an entirety of the peripheral surface is configured to be treated to be converted into carbide or nitride, and
- wherein of the entirety of the peripheral surface of the external element, only a top surface of the protruding portion does not include the carbide or nitride.
2 more elements
Dependencies are inferred from the claim text.