Method for preparing nano copper slurry for ceramic capacitor used for screen printing

The invention discloses a method for preparing nano copper slurry for a ceramic capacitor used for screen printing, which comprises the following steps: mixing 80 percent of organic solvent and 20 percent of resin in percentage by mass, and then fully stirring and mixing the organic solvent and the...

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Bibliographic Details
Main Author TONG LIGUO
Format Patent
LanguageChinese
English
Published 20.06.2012
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
CONDUCTORS
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:The invention discloses a method for preparing nano copper slurry for a ceramic capacitor used for screen printing, which comprises the following steps: mixing 80 percent of organic solvent and 20 percent of resin in percentage by mass, and then fully stirring and mixing the organic solvent and the resin under the water bath condition of 60 DEG C to obtain an organic carrier; and fully stirring and mixing 18 to 30 percent of organic carrier, 65 to 75 percent of nano copper powder, 2 to 4 percent of glass phase and 1 to 3 percent of additive, and grinding the mixture on a three-roll grinder for 10 times to obtain the nano copper slurry for the ceramic capacitor used for screen printing. The method for preparing the nano copper slurry for the ceramic capacitor used for screen printing reduces the electrode material cost of the ceramic capacitor to nearly one third compared with the conventional method, and greatly promotes the application of the ceramic capacitor in the electronic information industry.
Bibliography:Application Number: CN20091254480