Method for the preparation of doped oxide material

Details Method for the preparation of doped oxide material Method for the preparation of doped oxide material

2003-06-27

2009-12-01

Hoffmann, John (Department: 1791)

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

Process of manufacturing optical fibers, waveguides, or...

C065S413000, C065S421000, C065S531000

Reexamination Certificate

active

07624596

ABSTRACT:
A method for preparing doped oxide material, in which method substantially all the reactants forming the oxide material are brought to a vaporous reduced form in the gas phase and after this to react with each other in order to form oxide particles. The reactants in vaporous and reduced form are mixed together to a gas flow of reactants, which gas flow is further condensated fast in such a manner that substantially all the component parts of the reactants reach a supersaturated state substantially simultaneously by forming oxide particles in such a manner that there is no time to reach chemical phase balances.

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Office action issued Jun. 9, 2009 in counterpart Japanese patent application 2004-516824.

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