METAL PARTICLE POWDER AND PASTE COMPOSITION USING SAME
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United States of America Patent
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Issued Date -
Oct 17, 2013
app pub date -
Jan 18, 2012
filing date -
Jan 18, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
It is important that the metal particles used in a conductive paste used for wiring have the characteristic of being easily dispersed in a polar solvent in combination with another material such as a resin used in a paste. Provided is a metal particle powder which exhibits a pH value of 6 or less when 0.5 g of the metal particles to be evaluated are added to 100 mL of a potassium hydroxide solution with a pH of 11, and then an aqueous nitric acid solution in an amount in which pH becomes 5 by adding 0.10 mol/L nitric acid to 100 mL of a potassium hydroxide solution and 10 mL of ethyl alcohol (blank solution) with a pH of 11 is added.
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