Process for marking the surface of an item made from a silica-based material and marking product
AssigneeKoninklijke Philips Electronics N.V.
InventorEric Gueusquin
Life of this patent
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Abstract
A process for marking a glass body (14), by depositing directly onto the outer surface of the glass body (14), in a form representing the motif of the mark, a marking product (10) made from a substantially homogenous mixture of an ink and a silica powder, and heating the glass body (14) at a temperature sufficient to result in vitrification of the marking product (10).
Claims9
Process for marking the surface of an item made from a silica-based material, wherein the process consists essentially of the following steps:
- depositing a marking product in a form representing the motif of the mark directly on said surface, the marking product made from a substantially homogenous mixture of an ink and a silica powder, the ink consisting essentially of a pigment and organic matter;
- and
- heating the item at a temperature sufficient to result in vitrification of the marking product on said surface.
Process for marking the surface of an item made from a silica-based material, wherein the process comprises the following steps:
- depositing a marking product on said surface prior to final forming of the item, the marking product made from a substantially homogenous mixture of an ink and a silica powder, the ink comprising a pigment and organic matter;
- and
- final forming the item, said final forming comprising (a) heating the item at a temperature sufficient to enable bending of the item and to result in vitrification of the marking product on said surface;
- and (b) bending the item.
Dependencies are inferred from the claim text.