LAYER TRANSFER PROCESS

LAYER TRANSFER PROCESS

A method for transferring a layer of interest from a donor substrate to a receiver substrate includes providing the donor substrate made of a transparent material at a wavelength λ, forming at least one sacrificial buffer layer made of an absorbent sacrificial material at the wavelength λ, on the do...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DUPONT, Florian, RODRIGUEZ, Guillaume
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
CHEMISTRY
CRYSTAL GROWTH
ELECTRICITY
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
PERFORMING OPERATIONS
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
SINGLE-CRYSTAL-GROWTH
TRANSPORTING
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:A method for transferring a layer of interest from a donor substrate to a receiver substrate includes providing the donor substrate made of a transparent material at a wavelength λ, forming at least one sacrificial buffer layer made of an absorbent sacrificial material at the wavelength λ, on the donor substrate, forming the layer of interest on the at least one sacrificial buffer layer, and bonding the layer of interest on the receiver substrate. The at least one sacrificial buffer layer is illuminated by a laser at the wavelength λ through the donor substrate so as to remove the at least one sacrificial buffer layer to separate the layer of interest from the donor substrate.