Method of forming an optically-finished thin diamond film, diamond substrate, or diamond window of high aspect ratio

In a method of forming a diamond film, diamond substrate, or diamond window, a silicon substrate is provided and the diamond film, diamond substrate, or diamond window is CVD grown on a surface of the silicon substrate. The grown diamond film, diamond substrate, or diamond window has an aspect ratio...

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Bibliographische Detailangaben
Hauptverfasser:	Xu, Wen-Qing, Eissler, Elgin E, Anderson, Thomas E, Barbarossa, Giovanni, Liu, Chao, Tanner, Charles D
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:	In a method of forming a diamond film, diamond substrate, or diamond window, a silicon substrate is provided and the diamond film, diamond substrate, or diamond window is CVD grown on a surface of the silicon substrate. The grown diamond film, diamond substrate, or diamond window has an aspect ratio ≥100, wherein the aspect ratio is a ratio of a largest dimension of the diamond film, diamond substrate, or diamond window divided by a thickness of the diamond film, diamond substrate, or diamond window. The silicon substrate has a thickness greater than or equal to 2 mm. The silicon substrate can optionally be removed or separated from the grown diamond film, diamond substrate, or diamond window.