| 摘要 |
A ceramic which can be obtained from a composite of at least two outer pre-ceramic paper and/or cardboard structures (1, 2) as cover layers and at least one inner pre-ceramic paper and/or cardboard structure (3, 4) as an intermediate layer and spacer for the outer pre-ceramic paper and/or cardboard structures (1, 2). The inner pre-ceramic paper and/or cardboard structure (3, 4) in the composite is connected on the upper and/or lower face over the entire surface to at least one further pre-ceramic paper- and/or cardboard structure (1, 2) and the inner pre-ceramic paper- and/or cardboard structure (3, 4) has a plurality of surface cut-outs (5, 6).
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