| 摘要 |
Tile comprising a substrate coated with at least one array of electrodes which is itself coated with an array of barrier ribs made of a mineral material, the porosity of which is greater than 25%, comprising a porous base underlayer which is inserted between the array of electrodes and the array of barrier ribs and which is made of a mineral material, the porosity of which is greater than 25%. Reinforced porous barrier ribs are obtained; advantageously, this tile does not include a specific dielectric layer; the number of manufacturing steps is limited and the tile can be manufactured entirely at low temperature.
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