Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METAL PARTICLE POWDER AND PASTE COMPOSITION USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/098643
Kind Code:
A1
Abstract:
In the present invention, it is important that metal particles used in a conductive paste used for wiring have the characteristic of being easily dispersed in a polar solvent in combination with the other materials used in a paste that is a resin or the like. Provided is a metal particle powder whereby the pH value is no greater than 6 when 0.5 g of the metal particles to be evaluated are added to 100 mL of a potassium hydroxide solution having a pH of 11 and then 0.10 mol/L nitric acid is added at the quantity of aqueous solution of nitric acid resulting in a pH of 5 when the 0.10 mol/L nitric acid is added to 100 mL of a potassium hydroxide solution having a pH of 11 and 10 mL of ethyl alcohol (blank solution).

Inventors:
UEYAMA, Toshihiko (14-1, Soto-Kanda 4-chome, Chiyoda-k, Tokyo 21, 〒1010021, JP)
上山 俊彦 (〒21 東京都千代田区外神田四丁目14番1号 DOWAエレクトロニクス株式会社内 Tokyo, 〒1010021, JP)
Application Number:
JP2011/050750
Publication Date:
July 26, 2012
Filing Date:
January 18, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DOWA ELECTRONICS MATERIALS CO., LTD. (14-1, Soto-Kanda 4-chome Chiyoda-k, Tokyo 21, 〒1010021, JP)
DOWAエレクトロニクス株式会社 (〒21 東京都千代田区外神田四丁目14番1号 Tokyo, 〒1010021, JP)
UEYAMA, Toshihiko (14-1, Soto-Kanda 4-chome, Chiyoda-k, Tokyo 21, 〒1010021, JP)
International Classes:
B22F1/02
Foreign References:
JP2009084614A2009-04-23
JP2007204837A2007-08-16
JP2005179096A2005-07-07
JP2004327669A2004-11-18
Attorney, Agent or Firm:
HIROKOH, Masaki (Tatsuno Nishi-Tenma Bldg, 1-6 Nishi-Tenma 3-chome, Kita-ku, Osaka-sh, Osaka 47, 〒5300047, JP)
Download PDF:
Claims: