MULTILAYER CERAMIC CAPACITOR AND METHOD FOR MANUFACTURING MULTILAYER CERAMIC CAPACITOR
First Claim
1. A multilayer ceramic capacitor comprising:
- a substantially cuboid laminated body including a plurality of ceramic layers and a plurality of internal electrode layers that are laminated, and two or more exposed regions at which the plurality of internal electrode layers are exposed; and
external electrodes which cover the exposed regions;
whereinat least one of the external electrodes is an external electrode with resistance;
the internal electrode layers include a first internal electrode layer and a second internal electrode layer opposed to the first internal electrode layer in the lamination direction; and
the external electrode with resistance includes;
a thin film electrode layer in direct contact with the internal electrode layer in the exposed region;
a resistive electrode layer provided on the thin film electrode layer; and
an upper electrode layer provided on the resistive electrode layer, the upper electrode layer having a lower electrical resistivity than the resistive electrode layer.
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Accused Products
Abstract
A multilayer ceramic capacitor includes a substantially cuboid laminated body including ceramic layers and internal electrode layers laminated, and two or more exposed regions where the plurality of internal electrode layers are exposed, and external electrodes, wherein at least one of the external electrodes is an external electrode with resistance, the internal electrode layers include a first internal electrode layer and a second internal electrode layer opposed to the first internal electrode layer in the lamination direction, and the external electrode with resistance includes a thin film electrode layer in direct contact with the internal electrode layer in the exposed region, a resistive electrode layer provided on the thin film electrode layer, and an upper electrode layer provided on the resistive electrode layer, which has a lower electrical resistivity lower than the resistive electrode layer.
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Citations
20 Claims
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1. A multilayer ceramic capacitor comprising:
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a substantially cuboid laminated body including a plurality of ceramic layers and a plurality of internal electrode layers that are laminated, and two or more exposed regions at which the plurality of internal electrode layers are exposed; and external electrodes which cover the exposed regions;
whereinat least one of the external electrodes is an external electrode with resistance; the internal electrode layers include a first internal electrode layer and a second internal electrode layer opposed to the first internal electrode layer in the lamination direction; and the external electrode with resistance includes; a thin film electrode layer in direct contact with the internal electrode layer in the exposed region; a resistive electrode layer provided on the thin film electrode layer; and an upper electrode layer provided on the resistive electrode layer, the upper electrode layer having a lower electrical resistivity than the resistive electrode layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for manufacturing a multilayer ceramic capacitor, the method comprising:
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a laminated body forming step of forming a substantially cuboid laminated body including a plurality of ceramic layers and a plurality of internal electrode layers laminated, and including two or more exposed regions where the plurality of internal electrode layers are exposed; and a covering step of covering the exposed regions with external electrodes;
whereinthe covering step includes a first coating step of covering at least one of the exposed regions with an external electrode with resistance comprising a thin film electrode layer, a resistive electrode layer provided on the thin film electrode layer, and an upper electrode layer provided on the resistive electrode layer, the upper electrode layer being lower in electrical resistivity than the resistive electrode layer; and in the first coating step, the thin film electrode layer is formed directly on the internal electrode layer exposed. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification