Method of making metallic powders by aerosol thermolysis
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United States of America Patent
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Jul 27, 1999
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N/A
app pub date -
May 21, 1997
filing date -
May 21, 1997
priority date (Note) -
Expired
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Abstract
An economical process and associated hardware for commercial manufacture of controllable submicrometer size metallic powders for electronic and other applications. The method is based on the preparation of a stable high concentration precursor solution, production of a high density aerosol mist of the precursor solutions, selection of mist droplets with upper and lower size bounds, controlled drying of the droplets, their conversion to metallic powder in a high temperature gaseous atmosphere and the separation of the powders from carrier gases without significant loss inside the process hardware.
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