METHOD FOR THE PRODUCTION OF A DETACHABLE SUBSTRATE OR DETACHABLE STRUCTURE

METHOD FOR THE PRODUCTION OF A DETACHABLE SUBSTRATE OR DETACHABLE STRUCTURE

The invention relates to the preparation of a thin layer comprising a step in which an interface is created between a layer used to create said thin layer and a substrate, characterized in that said interface is made in such a way that it is provided with at least one first zone (Z1) which has a fir...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RAYSSAC, Olivier, ZUSSY, Marc, MORICEAU, Hubert, ASPAR, Bernard
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:The invention relates to the preparation of a thin layer comprising a step in which an interface is created between a layer used to create said thin layer and a substrate, characterized in that said interface is made in such a way that it is provided with at least one first zone (Z1) which has a first level of mechanical strength, and a second zone (Z2) which has a level of mechanical strength which is substantially lower than that of the first zone. Said interface can be created by glueing surfaces which are prepared in a differentiated manner, by a layer which is buried and embrittled in a differentiated manner in said zones, or by an intermediate porous layer.