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Metal cream composing substance for capacitor

A metal paste, capacitor technology, applied in the direction of fixed capacitor electrodes, metal/alloy conductors, components of fixed capacitors, etc.

Inactive Publication Date: 2008-12-24
WALSIN TECHNOLOGY CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main technical problem to be solved by the present invention is to overcome the above-mentioned defects in the prior art, and provide a capacitor metal paste composition, which can not only reduce the cost, completely reduce the copper and improve the problem of poor electrical properties, but also use Lead material for environmental protection

Method used

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  • Metal cream composing substance for capacitor
  • Metal cream composing substance for capacitor
  • Metal cream composing substance for capacitor

Examples

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Embodiment Construction

[0021] see Figure 1 to Figure 3 , are respectively a three-dimensional schematic diagram, a partially exploded three-dimensional schematic diagram and a side view of a capacitor.

[0022] The first embodiment of the present invention is a capacitor metal paste composition, which is used to make a terminal electrode of a capacitor. The capacitor includes a disk-shaped dielectric 11, the medium 11 has two planes, a disk-shaped terminal electrode 12 is formed on the two planes, and a pin 13 is combined on the outer surface of each terminal electrode 12 for The capacitor is provided on a substrate (not shown in the figure).

[0023] The capacitor metal paste composition of the present embodiment is formed as the terminal electrode 12 of the aforementioned capacitor, which includes:

[0024] A metal powder, which is copper powder or a powder comprising copper and its alloy; in this embodiment, copper powder is used as the metal powder;

[0025] A glass powder, which has the fun...

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Abstract

The invention discloses a metal cream component applied to producing a capacitor, which serves as a terminal electrode of a capacitor. The metal cream component of the capacitor consists of metal powder, an organic adhesive, glass powder and a metal oxide such as bismuth oxide (Bi2O3), nickel oxide (NiO), zinc oxide (ZnO), boron oxide (B2O3), cuprous oxide (Cu2O), tin oxide (SnO2), manganese oxide (Mn2O3), MnO2 (manganese dioxide), aluminum sesquioxide (Al2O3), silicon dioxide (SiO2), zirconium dioxide (ZrO2) and copper oxide (CuO). The metal cream component of the capacitor of the invention is used for coating the two sides of a capacitor medium to form a thickness; after an appropriate producing process, the capacitor aiming at reducing cost, modifying electric property and protecting environment is produced.

Description

technical field [0001] The invention relates to a capacitor metal paste composition. Background technique [0002] The existing method for manufacturing disc or flat ceramic capacitors is to use an existing silver paste, including silver powder, inorganic binder and metal oxide, as a conductive paste in the atmosphere and burn it to the terminal electrodes. Silver is a kind of precious metal, which is expensive, which further increases the cost of the aforementioned capacitor products. Moreover, silver is easy to diffuse in ceramic components, and this feature of silver is likely to cause potential electrical abnormalities of the aforementioned capacitors. [0003] There are other existing methods in the current market, one of which is to focus on cost reduction, do not use the aforementioned existing silver glue, but use an existing copper glue on the aforementioned disc or flat ceramic capacitor as Conductive plastic. The existing copper glue includes fine copper powder,...

Claims

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Application Information

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IPC IPC(8): H01G4/008H01B1/02
Inventor 许武州蔡聪智
Owner WALSIN TECHNOLOGY CORPORATION
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