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Substrate for solidifying a silicon ingot
A substrate, in particular intended for contact with liquid silicon, wherein it is at least partially surface-coated with a multilayer coating formed by: at least one layer, known as the adhesion layer, contiguous with the substrate, having an open porosity of at least 30%, and formed of a material comprising silica and silicon nitride, said material having a silica content of between 10 wt.-% and 55 wt.-% in relation to the total weight thereof; and a layer different from the adhesion layer, known as the release layer, located on the surface of the adhesion layer and formed of a material including silica and silicon nitride, said material having a silica content of between 2 wt.-% and 10 wt.-% in relation to the total weight thereof.
Substrate for solidifying a silicon ingot
A substrate, in particular intended for contact with liquid silicon, wherein it is at least partially surface-coated with a multilayer coating formed by: at least one layer, known as the adhesion layer, contiguous with the substrate, having an open porosity of at least 30%, and formed of a material comprising silica and silicon nitride, said material having a silica content of between 10 wt.-% and 55 wt.-% in relation to the total weight thereof; and a layer different from the adhesion layer, known as the release layer, located on the surface of the adhesion layer and formed of a material including silica and silicon nitride, said material having a silica content of between 2 wt.-% and 10 wt.-% in relation to the total weight thereof.
Substrate for solidifying a silicon ingot
GARANDET JEAN-PAUL (author) / CAMEL DENIS (author) / DREVET BÉATRICE (author) / EUSTATHOPOULOS NICOLAS (author) / HUGUET CHARLES (author) / TESTARD JOHANN (author) / VOYTOVYCH RAYISA (author)
2018-07-17
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
B05D
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
,
Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein
/
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
C30B
SINGLE-CRYSTAL GROWTH
,
Züchten von Einkristallen