Process for transferring layers
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United States of America Patent
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Apr 24, 2018
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N/A
app pub date -
Nov 11, 2015
filing date -
Nov 14, 2014
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Abstract
The invention relates to a process for transferring an active layer to a final substrate using a temporary substrate, the active layer comprises a first side having a three-dimensional surface topology, the process comprising: a first step of bonding the first side of the active layer to one side of the temporary substrate; a second step of bonding a second side of the active layer to the final substrate; and a third step of separating the active layer and the temporary substrate; the process being characterized in that the side of the temporary substrate possesses a surface topology complementary to the surface topology of the first side of the active layer, so that the surface topology of the temporary substrate encapsulates the surface topology of the first side of the active layer in the bonding first step.
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