Clay-like composition for forming sintered copper body, powder for clay-like composition for forming sintered copper body, method of manufacturing clay-like composition for forming sintered copper body, sintered copper body, and method of manufacturing sintered copper body
First Claim
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1. A composition for forming a sintered copper body comprising:
- a powder constituent containing a copper-containing metal powder which contains copper and a copper-containing oxide powder which contains copper;
a binder; and
water,wherein an amount of oxygen contained in the powder constituent is in a range of from 4 mass % to 8 mass %,an amount of Fe in the powder constituent is 1000 ppm or less,wherein an average particle diameter of the copper-containing oxide powder is from 3 μ
m to 10 μ
m, andwherein an average particle diameter of the copper-containing metal powder is from 3 μ
m to 10 μ
m.
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Abstract
A clay-like composition for forming a sintered copper body of the present invention includes a powder constituent containing a copper-containing metal powder which contains copper and a copper-containing oxide powder which contains copper; a binder; and water, wherein the amount of oxygen contained in the powder constituent is in a range of from 4 mass % to 8 mass %.
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Citations
19 Claims
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1. A composition for forming a sintered copper body comprising:
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a powder constituent containing a copper-containing metal powder which contains copper and a copper-containing oxide powder which contains copper; a binder; and water, wherein an amount of oxygen contained in the powder constituent is in a range of from 4 mass % to 8 mass %, an amount of Fe in the powder constituent is 1000 ppm or less, wherein an average particle diameter of the copper-containing oxide powder is from 3 μ
m to 10 μ
m, andwherein an average particle diameter of the copper-containing metal powder is from 3 μ
m to 10 μ
m. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 17, 18, 19)
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11. A powder for a composition for forming a sintered copper body comprising:
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a copper-containing metal powder which contains copper; and a copper-containing oxide powder which contains copper, wherein the oxygen amount in the powder for the clay-like composition is in a range of from 4 mass % to 8 mass %, an amount of Fe in the powder for the clay-like composition is 1000 ppm or less, wherein an average particle diameter of the copper-containing oxide powder is from 3 μ
m to 10 μ
m, andwherein an average particle diameter of the copper-containing metal powder is from 3 μ
m to 10 μ
m. - View Dependent Claims (12, 13, 14, 15)
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16. A method of manufacturing a composition for forming a sintered copper body comprising
mixing together a copper-containing metal powder which contains copper, a copper-containing oxide powder which contains copper, a binder, and water in a stainless steel kneading container having an inner wall coated with CrN, wherein, an amount of oxygen contained in a powder constituent containing the copper-containing metal powder and the copper-containing oxide powder is in a range of from 4 mass % to 8 mass %, and an amount of Fe in the powder constituent is 1000 ppm or less.
Specification