EVAPORATOR FOR EFFECTIVE SURFACE AREA EVAPORATION

A method and apparatus for thermal evaporation are provided. The thermal evaporator includes a flat crucible design, which provides an increased surface area for evaporation of the material to be deposited relative to conventional designs. The increased surface area for evaporation means that the mo...

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Bibliographische Detailangaben
Hauptverfasser:	RAMACHANDRAPPA, PrasannaKalleshwara Buddappa, KUNDU, Sambhu, SIVARAMAKRISHNAN, Visweswaren, LIM, Vicente M, HERLE, Subramanya P
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A method and apparatus for thermal evaporation are provided. The thermal evaporator includes a flat crucible design, which provides an increased surface area for evaporation of the material to be deposited relative to conventional designs. The increased surface area for evaporation means that the more vapor of the evaporated material can be produced, which increases pressure inside the evaporator body leading to increased flow of the evaporated material out of the nozzles. The flat crucible can be attached to an evaporator body of the thermal evaporator. The flat crucible can be integrated within the evaporator body. The evaporator body can include a plurality of longitudinal grooves, which increase the surface area of the evaporator body. The thermal evaporator can include a plurality of baffles which divide the thermal evaporator into separate compartments.