METHOD OF MANUFACTURING ELECTRONIC COMPONENT FOR RF APPLICATIONS BY SINTERING
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United States of America Patent
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Issued Date -
Jul 28, 2011
app pub date -
Sep 28, 2009
filing date -
Oct 1, 2008
priority date (Note) -
Abandoned
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Abstract
Disclosed herein is a method for manufacturing an electronic component comprising a ferrite by sintering. The method comprises the steps of: adding 3 wt% of ammonium alginate to a ferrite to form a mixture, and stirring the mixture while adding water thereto to form a gel; drying the gel at a temperature ranging from 85 ° C to 95 ° C to form a dried material; grinding the dried material to produce a ferrite powder coated with the ammonium alginate; subjecting the ferrite powder to compression molding; and sintering the compression-molded ferrite powder. According to the method, by adding ammonium alginate to the ferrite, the cohesion of the ferrite can be enhanced to facilitate the molding of the ferrite. Also, the magnetic loss tangent of the ferrite can be reduced and the permeability thereof can be increased, thus increasing the efficiency of the ferrite.
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