Chip capacitor, circuit assembly, and electronic device
First Claim
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1. A chip capacitor, comprising:
- a substrate having a longitudinal direction;
a first external electrode and a second external electrode formed on or over the substrate;
a capacitor element connected between the first external electrode and the second external electrode, the capacitor element extending in the longitudinal direction of the substrate; and
a diode connected between the first external electrode and the second external electrode, and in parallel to the capacitor element, the diode extending in the longitudinal direction of the substrate,wherein the capacitor element includesa lower electrode,a capacitance film that is laminated on or over the lower electrode, andan upper electrode facing the lower electrode across the capacitance film, andwherein the upper electrode includes a trimming region capable of being fused, the trimming region having a line shape.
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Abstract
A chip capacitor according to the present invention includes a substrate, a pair of external electrodes formed on the substrate, a capacitor element connected between the pair of external electrodes, and a bidirectional diode connected between the pair of external electrodes and in parallel to the capacitor element. Also, a circuit assembly according to the present invention includes the chip capacitor according to the present invention and a mounting substrate having lands, soldered to the external electrodes, on a mounting surface facing a front surface of the substrate.
79 Citations
25 Claims
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1. A chip capacitor, comprising:
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a substrate having a longitudinal direction; a first external electrode and a second external electrode formed on or over the substrate; a capacitor element connected between the first external electrode and the second external electrode, the capacitor element extending in the longitudinal direction of the substrate; and a diode connected between the first external electrode and the second external electrode, and in parallel to the capacitor element, the diode extending in the longitudinal direction of the substrate, wherein the capacitor element includes a lower electrode, a capacitance film that is laminated on or over the lower electrode, and an upper electrode facing the lower electrode across the capacitance film, and wherein the upper electrode includes a trimming region capable of being fused, the trimming region having a line shape. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 22, 23, 24, 25)
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19. A chip capacitor, comprising:
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a substrate having a longitudinal direction; a first external electrode and a second external electrode formed on or over the substrate; a capacitor element connected between the first external electrode and the second external electrode, the capacitor element extending in the longitudinal direction of the substrate; and a diode connected between the first external electrode and the second external electrode, and in parallel to the capacitor element, the diode extending in the longitudinal direction of the substrate, wherein the capacitor element includes; a lower electrode, a capacitance film that is laminated on or over the lower electrode, and an upper electrode facing the lower electrode across the capacitance film, wherein the upper electrode includes a trimming region capable of being fused, the trimming region having a line shape. - View Dependent Claims (20, 21)
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Specification