Title:
【発明の名称】微粉末を被覆する方法と装置
Document Type and Number:
Japanese Patent JP2909744
Kind Code:
B2
Abstract:
There is disclosed a process for coating fine powder of a metal, a ceramic, a plastic or an organic pigment with a metal or a ceramic comprising: (a) dispersing particles of said fine powder into primary particles by fluid jet mill treatment in an inert atmosphere; (b) heating the dispersed fine powder in an inert atmosphere under reduced pressure; (c) placing the heated powder in an evacuable rotary barrel sputtering chamber, forming a fluidized bed by rotating the barrel at a low speed and coating said fluidized powder by sputtering as the barrel is being rotated. By this process, fine powders of metals, ceramics and plastics having a particle diameter of 0.1-10 mu m can be uniformly coated by a metal or a ceramic. There is also provided an apparatus therefor.
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Inventors:
TAKESHIMA EIKI
Application Number:
JP7477089A
Publication Date:
June 23, 1999
Filing Date:
March 27, 1989
Export Citation:
Assignee:
NITSUSHIN SEIKO KK
International Classes:
B22F1/102; B22F1/16; B22F1/17; B22F1/18; C04B41/45; C23C14/00; C23C14/22; C23C14/34; (IPC1-7): C23C14/00; B22F1/02; C23C14/34
Domestic Patent References:
| JP62250172A | ||||
| JP63312969A | ||||
| JP5013274A | ||||
| JP58136701A |
Attorney, Agent or Firm:
Kenji Wada