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US 5,332,596 AGranted
Method for anti-oxidizing treatment of copper powder
AssigneeMurata Mfg. Co., Ltd.
InventorsHiroji Tani, Kanehito Honma
Life of this patent
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Abstract
Anti-oxidizing treatment of copper power is carried out by immersing copper powder in a solution containing boric acid, separating the resultant copper powder from the solution, and heating the copper powder covered with a thin layer of the solution at a temperature of 50.degree. to 260.degree. C.
Claims7
A method for anti-oxidizing treatment of copper powder, comprising the steps of:
- immersing copper powder in a solution containing boric acid;
- separating the resultant copper powder from the solution;
- and
- heating said copper powder covered with a layer of said solution at a temperature of 50.degree. to 260.degree. C.
1 more element
The method according to cliam 6 wherein said heating of said copper powder is for 10-20 minutes.
Dependencies are inferred from the claim text.