Method of decorating a ceramic part

Details Method of decorating a ceramic part Method of decorating a ceramic part

2011-03-22

2011-03-22

Hoang, Tu B (Department: 3742)

Electric heating

Metal heating

By arc

C219S121590, C501S087000, C501S092000

Reexamination Certificate

active

07910854

ABSTRACT:
The invention proposes a method of locally colouring a part made of ceramic material of the metallic oxide type mainly including the following steps of taking a support for the part and a laser, able to move relative to each other in an XY plane, performing a plasma treatment of the part using a gas containing one element selected from among nitrogen an carbon, so as to convert a surface layer of metallic oxide, into a substantially stoichiometric ceramic chosen from among metal nitrides and carloides, locally illuminating the part with the laser beam so as to provide sufficient energy to cause a local change in colour by altering the stoichiometry of the surface layer, and scanning the surface of the part using the laser beam so as to form a determined pattern.

REFERENCES:
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Stolz, B. et al., “Laser-induced writing of electrically conductive structures in the surface of AIN,” SPIE Conference on Smart Materials Technologies, Mar. 1999, pp. 190-201.
Gakovic, Biljana M. et al., “TEA CO2 Laser Surface Modification of Titanium Ceramic Thin Films,” High-Power Laser Ablation IV, Proceedings of SPIE vol. 4760, 2002, pp. 1006-1013.
European Search Report issued in corresponding application No. EP 06 11 1850, completed Jul. 19, 2006.

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