Title:
金属ニッケル粉末及びその製造方法
Document Type and Number:
Japanese Patent JP4286220
Kind Code:
B2
Abstract:
A metallic nickel powder exhibits superior oxidation behavior and sintering behavior in a process for production of a multilayer ceramic capacitor, and as a result, can prevent delamination, a process for production of the metallic powder is provided. The metallic nickel powder is treated with a carbonic acid water solution. The metallic nickel powder has an average particle diameter of not more than 1.0 mu m, oxygen content in a range of from 0.3 to 2.0 wt%, and oxide layer having a thickness in a range of from 2 to 10 nm over the entire surface. In the process for production of the metallic nickel powder, the powder is treated with a carbonic acid water solution and is heated in an oxidizing atmosphere.
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Inventors:
Wataru Kagohashi
Mitsugu Yoshida
Mitsugu Yoshida
Application Number:
JP2004532681A
Publication Date:
June 24, 2009
Filing Date:
July 18, 2003
Export Citation:
Assignee:
Toho Titanium Co., Ltd.
International Classes:
B22F1/00; B22F1/145; B22F1/16; B22F9/28; B22F9/30; H01B1/00; H01G4/008; H01B1/22
Domestic Patent References:
| JP3868421B2 | ||||
| JP2000045002A | ||||
| JP10219313A | ||||
| JP2000345219A | ||||
| JP2001107103A | ||||
| JP2001247901A | ||||
| JP2002180111A |
Attorney, Agent or Firm:
Suenari Mikio