US2012060978A1PendingUtilityA1

Method of preventing oxidation of metal

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Assignee: TU JIA-JINPriority: Sep 15, 2010Filed: Jul 26, 2011Published: Mar 15, 2012
Est. expirySep 15, 2030(~4.1 yrs left)· nominal 20-yr term from priority
Inventors:Jia-Jin TuYing-Huang Lee
C23C 8/02C23C 8/10
25
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Claims

Abstract

A method of preventing oxidation of a metal is disclosed. The method includes: placing a metal piece in a vacuum container; injecting hydrogen gas into the vacuum container; heating the metal piece placed in the vacuum container up to 200° C.; cooling the vacuum container and discharging the hydrogen gas; removing the metal piece from the vacuum container; and placing the metal piece in an oxygen-containing environment. An additional inorganic film or organic film is not needed to be used for blocking the oxygen from contacting the metal.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method of preventing oxidation of a metal, comprising:
 placing a metal piece in a vacuum container;   injecting hydrogen gas into the vacuum container;   heating the metal piece placed in the vacuum container up to 200° C.;   cooling the vacuum container and discharging the hydrogen gas;   removing the metal piece from the vacuum container; and   placing the metal piece in an oxygen-containing environment.

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