ELECTRICAL DEVICE
First Claim
Patent Images
1. An electrical device comprising:
- a substrate;
a circuit formed on the substrate;
an electric component mounted on the substrate;
a solder physically and electrically jointing the electric circuit and the electric component;
wherein the electric component comprises an outer electrode comprising (i) 100 parts by weight of a conductive powder comprising a copper-nickel-zinc (Cu—
Ni—
Zn) alloy powder, and (ii) 1 to 40 parts by weight of an organic polymer.
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Abstract
An electrical device comprising: a substrate; an electrical circuit formed on the substrate; an electrical component mounted on the substrate; solder physically and electrically joining the electrical circuit and the electrical component; wherein the electrical component comprises an outer electrode comprising (i) 100 parts by weight of a conductive powder comprising a copper-nickel-zinc (Cu—Ni—Zn) alloy powder, and (ii) 1 to 40 parts by weight of an organic polymer.
20 Citations
20 Claims
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1. An electrical device comprising:
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a substrate; a circuit formed on the substrate; an electric component mounted on the substrate; a solder physically and electrically jointing the electric circuit and the electric component; wherein the electric component comprises an outer electrode comprising (i) 100 parts by weight of a conductive powder comprising a copper-nickel-zinc (Cu—
Ni—
Zn) alloy powder, and (ii) 1 to 40 parts by weight of an organic polymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of manufacturing an electrical device comprising the steps of:
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preparing a substrate; forming a circuit the substrate; mounting an electric component on the substrate; and physically and electrically jointing the electric circuit and the electric component by use of a solder; wherein the electric component comprises an outer electrode comprising (i) 100 parts by weight of a conductive powder comprising a copper-nickel-zinc (Cu—
Ni—
Zn) alloy powder, and (ii) 1 to 40 parts by weight of an organic polymer. - View Dependent Claims (16, 17, 18, 19)
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20. An electrical device comprising:
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a substrate; a circuit formed on the substrate; an electric component mounted on the substrate, wherein the electric component is selected from the group consisting of a chip resistor, a capacitor, an inductor and a semiconductor chip; a solder physically and electrically jointing the electric circuit and the electric component, wherein the lead-free solder is selected from Sn/Ag/Cu, Sn/Zn/Bi, Sn/Cu, Sn/Ag/In/Bi and Sn/Zn/Al; wherein the electric component comprises an outer electrode comprising; (i) 100 parts by weight of a conductive powder comprising a copper-nickel-zinc (Cu—
Ni—
Zn) alloy powder, wherein the Cu—
Ni—
Zn alloy powder contains 60 to 96 weight percent (wt. %) of copper, 1 to 30 wt. % of nickel and 3 to 12 wt. % of zinc based on the weight of the Cu—
Ni—
Zn alloy powder and wherein the Cu—
Ni—
Zn alloy powder is 50 to 100 wt. % based on weight of the conductive powder, and(ii) 1 to 40 parts by weight of an organic polymer selected from the group consisting of phenolic resin, urea resin, melamine resin, epoxy resin, unsaturated polyester resin, silicone resin, polyurethane resin, polyvinyl butyral resin, polyimide resin, acrylic resin and a mixture thereof.
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Specification