Title:
焼結軸受部材の製造方法、並びに流体動圧軸受装置及びスピンドルモータ
Document Type and Number:
Japanese Patent JP4275576
Kind Code:
B2
Abstract:
A production method for sintered bearing member comprises: compacting a metal powder into a green compact, sintering the green compact into a sintered compact; impregnating a resin solvent into the sintered compact, and removing the resin solvent adhering to a surface of the sintered compact, thereby exposing a matrix as sintered on a surface of the sintered compact. Pores existing in portions other than the surface are sealed with the resin.
Inventors:
Arai Katsutoshi
Shunichi Togashi
Tadashi Akahori
Shunichi Togashi
Tadashi Akahori
Application Number:
JP2004152917A
Publication Date:
June 10, 2009
Filing Date:
May 24, 2004
Export Citation:
Assignee:
Hitachi Powdered Metals Co., Ltd.
Minebea Co., Ltd.
Minebea Co., Ltd.
International Classes:
F16C17/10; F16C17/02; F16C17/04; F16C32/06; F16C33/10; F16C33/12; F16C33/14; H02K7/08
Domestic Patent References:
| JP2003287028A | ||||
| JP2025053B2 | ||||
| JP2001059103A | ||||
| JP9157705A | ||||
| JP10183203A |
Attorney, Agent or Firm:
Suenari Mikio