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US 7,730,808 B2Granted
Ceramic blades and fabrication methods thereof
AssigneeIndustrial Technology Research Institute
InventorsKuo-Chuang Chiu, Ren-Der Jean, Chuan-Lung Lu
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Abstract
Ceramic blades and fabrication methods thereof. A ceramic blade comprises a ceramic body having two sides and an edge. A coating layer is applied on the two sides and the edge, wherein the ceramic body is formed using a scraper to create substantially flat surface and to prevent residual stress damage.
Claims6
A method of fabricating a ceramic blade, comprising:
- providing a green ceramic tape formed by tape casting;
- punching the green ceramic tape into a green ceramic blade;
- sintering and co-firing the green ceramic blade to form a ceramic blade;
- grinding the ceramic blade to create an edge;
- applying a coating layer on two sides and the edge of the ceramic blades;
- and
- sintering the coating layer to bind the coating layer on the ceramic blade;
- wherein the coating layer is a photocatalysis layer with surface activation and anti-germ ability.
5 more elements
Dependencies are inferred from the claim text.