Copper powder coated with copper phosphate and copper paste cont

Details Copper powder coated with copper phosphate and copper paste cont Copper powder coated with copper phosphate and copper paste cont

1997-02-07

1999-11-09

Jones, Deborah

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428209, 428469, 148250, 252512, 75228, B32B 516, B32B 300, C23C 2200, H01B 102

Patent

active

059810696

ABSTRACT:
Copper powder has a coating made of copper phosphate at the outer surface thereof. The coating is formed by chemically reacting the outer surface of the copper powder and covers the entire surface of the copper powder uniformly, thereby obtaining excellent anti-oxidizing properties. It is preferable to set the copper phosphate ratio in term of phosphorus with respect to the total weight of the copper powder within the range of about 0.05 to 0.5 wt %.

REFERENCES:
patent: 3881914 (1975-05-01), Heidelberg
patent: 4070518 (1978-01-01), Hoffman
patent: 4188438 (1980-02-01), Burns
patent: 4264379 (1981-04-01), Caule
patent: 4514321 (1985-04-01), Siuta
patent: 4717431 (1988-01-01), Knaster et al.
patent: 4868034 (1989-09-01), Steinberg
patent: 5066540 (1991-11-01), Mosser et al.
patent: 5807508 (1998-09-01), Kawahara

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