US 7,291,200 B2Granted

Monodisperse spherical metal particles and manufacturing method therefor

AssigneeMiyazaki Prefecture

InventorsMasataka Shimizu, Kiyoshi Torigoe, Tadao Nakashima, Izumi Akazaki

Life of this patent

Estimating the term…

Abstract

It is an object of the present invention to provide spherical metal particles having excellent monodispersity. The present invention relates to a method of manufacturing monodisperse spherical metal particles characterized by passing liquid metal through a porous membrane so as to disperse the resulting liquid metal particles in a continuous liquid phase.

Claims10

Dependent claims

A method of manufacturing monodisperse spherical metal particles, comprising passing liquid metal through a porous membrane and dispersing the resulting liquid metal particles directly in a continuous liquid phase.

Dependencies are inferred from the claim text.

Facts

Application: 11/043,633Filed 26 Jan 2005 · division
Priority: JP 2001-32867226 Oct 2001
Published: US 2005/0126339 A116 Jun 2005
Granted: 6 Nov 2007
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

B23K 35/0244
For use in soldering or brazing: powders, particles or spheres; Preforms made therefrom
B22F 1/052
Metallic powder characterised by the size or surface area of the particles: characterised by a mixture of particles of different sizes or by the…
B22F 9/08
Starting from liquid material: by casting, e.g. through sieves or in water, by atomising or spraying
B22F 2009/0808
Dispersion in or on liquid, other than with sieves: mechanical dispersion of melt, e.g. by sieves

Family

PCT/JP02/02737Parent of this continuation-in-part · filed 22 Mar 2002
Application10/272,472Parent of this division · filed 15 Oct 2002
US 2005/0126339 A1Pre-grant publication · published 16 Jun 2005
US 6,884,278 B2Parent of this division
Application10/272,472Parent of this continuation-in-part
US 2003/0085253 A1Published application
US 7,291,200 B2This patent

From the US filing history. Foreign family members aren’t listed.

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