| 摘要 |
The invention is directed to a layer stack for the acceptance of a liquid having a suction layer (1) with high absorbency sufficing for sucking up the liquid from the edge of the layer stack into its middle and having a first storage layer (2) with low absorbency that is not sufficient for sucking up the liquid from the edge of the layer stack up to its middle between which an intermediate layer (3) composed of non-absorbent material and adjoining the first storage layer (3) [sic] is arranged, whereby a non-absorbent edge layer (7) is arranged at that side of the first storage layer (2) facing away from the intermediate layer (3), and whereby the intermediate layer (3) comprises through holes (4) whose plurality, size and distribution is [sic] selected such that some of the liquid suctioned up by the suction layer (1) can proceed via the holes (4) to the first storage layer and thoroughly saturate this. By foregoing a second suction layer, electrolytic capacitors with a significantly lower space requirement can be manufactured.
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