CPC H01L 33/24 (2013.01) [H01L 27/15 (2013.01); H01L 33/005 (2013.01); H01L 33/06 (2013.01)] | 20 Claims |
1. A substrate, comprising:
at least one unit region, wherein each of the at least one unit region comprises at least two unit sub-regions, each of the at least two unit sub-regions has at least one gap and at least one self-healing layer for closing the at least one gap; and in one of the at least one unit region, the at least two unit sub-regions respectively have different porosities.
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