Native or uncontrolled oxide reduction by HWCVD H using specific metal chamber liner

Apparatus and methods are disclosed to provide arrays of substantially oxide-free structures, such as titanium nanotubes or microwells. In one aspect, a hot wire chemical vapor deposition (HWCVD) chamber includes a metal chamber liner manufactured from one or more of aluminum (Al), lithium (Li), mag...

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Bibliographische Detailangaben
1. Verfasser:	Chatterjee, Sukti
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:	Apparatus and methods are disclosed to provide arrays of substantially oxide-free structures, such as titanium nanotubes or microwells. In one aspect, a hot wire chemical vapor deposition (HWCVD) chamber includes a metal chamber liner manufactured from one or more of aluminum (Al), lithium (Li), magnesium (Mg), calcium (Ca), zirconium (Zr), strontium (Sr), cerium (Ce), barium (Ba), beryllium (Be), lanthanum (La), thorium (Th), and alloys thereof. In one aspect, a method includes positioning a substrate having an array of titanium oxide structures with an oxide layer on surfaces thereof in the HWCVD chamber having the metal chamber liner, exposing the titanium oxide structures with the oxide layer on surfaces thereof to hydrogen (H) radicals, and removing the oxide layer to form well-ordered titanium structures.