Integrated capacitor and method of manufacturing integrated capacitor
An integrated capacitor that includes a plurality of capacitor elements, each of which has one of first internal electrodes and one of second internal electrodes; an exterior body accommodating the plurality of capacitor elements; a plurality of first external electrode layers on an outer surface of the exterior body and electrically connected to the first internal electrodes; and a plurality of second external electrode layers on the outer surface of the exterior body and electrically connected to the second internal electrodes. One of the first external electrode layers has a projecting portion projecting outward or a recessed portion recessed inward from part of an outer edge of the first external electrode layer in a plan view in a thickness direction of the first external electrode layer.
1 . An integrated capacitor comprising:
a plurality of capacitor elements each having a first internal electrode and a second internal electrode;
an exterior body accommodating the plurality of capacitor elements;
a plurality of first external electrode layers on an outer surface of the exterior body, the first external electrode layers being electrically connected to the first internal electrodes of the plurality of capacitor elements, respectively; and
a plurality of second external electrode layers on the outer surface of the exterior body, the second external electrode layers being electrically connected to the second internal electrodes of the plurality of the capacitor elements, respectively,
wherein one of the first external electrode layers of at least a first capacitor element of the plurality of capacitor elements has a projecting portion projecting outward or a recessed portion recessed inward from part of an outer edge of the first external electrode layer in a plan view in a thickness direction of the first external electrode layer,
wherein the one first external electrode layer of the first capacitor element has the projecting portion, and
wherein the integrated capacitor further comprises:
an extension line extending from the projecting portion of the first external electrode layer of the first capacitor element in a direction in which the projecting portion projects; and
a material layer having a lower laser absorbance than the projecting portion on the outer surface of the exterior body and the extension line.
2 . The integrated capacitor according to claim 1 , further comprising:
a third external electrode layer on the outer surface of the exterior body, the third external electrode layer being electrically connected to the first internal electrode of the first capacitor element.
3 . The integrated capacitor according to claim 2 , wherein the third external electrode layer of the first capacitor element has a projecting portion projecting outward or a recessed portion recessed inward from part of an outer edge of the third external electrode layer in the plan view in the thickness direction of the third external electrode layer.
4 . The integrated capacitor according to claim 1 , further comprising:
a dummy electrode layer on the outer surface of the exterior body, the dummy electrode layer being electrically connected to the first internal electrode of a second capacitor element adjacent to the first capacitor element of the plurality of capacitor elements,
wherein the dummy electrode layer of the second capacitor element is adjacent to the first external electrode layer of the first capacitor element.
5 . The integrated capacitor according to claim 1 , wherein the exterior body is made of a material having a laser transmittance of 90% or higher.
6 . The integrated capacitor according to claim 1 , wherein the exterior body is made of glass.
7 . The integrated capacitor according to claim 1 , wherein the exterior body is made of a resin.
8 . The integrated capacitor according to claim 1 , wherein the one of the first external electrode layers has the projecting portion projecting outward or the recessed portion recessed inward from only the part of the outer edge of the first external electrode layer in the plan view in the thickness direction of the first external electrode layer.
9 . An integrated capacitor comprising:
a plurality of capacitor elements each having a first internal electrode and a second internal electrode;
an exterior body accommodating the plurality of capacitor elements;
a plurality of first external electrode layers on an outer surface of the exterior body, the first external electrode layers being electrically connected to the first internal electrodes of the plurality of capacitor elements, respectively;
a plurality of second external electrode layers on the outer surface of the exterior body, the second external electrode layers being electrically connected to the second internal electrodes of the plurality of the capacitor elements, respectively,
wherein one of the first external electrode layers of at least a first capacitor element of the plurality of capacitor elements has a projecting portion projecting outward or a recessed portion recessed inward from part of an outer edge of the first external electrode layer in a plan view in a thickness direction of the first external electrode layer, and
wherein the integrated capacitor further comprises a depressed portion in the outer surface of the exterior body, the depressed portion located on an extension line extending from the projecting portion of the first external electrode layer in a direction in which the projecting portion projects or in an extension line extending from the projecting portion in a direction opposite to a direction in which the recessed portion of the first external electrode layer is recessed.
10 . The integrated capacitor according to claim 9 , wherein the first internal electrode or the second internal electrode of the first capacitor element overlaps the depressed portion in the plan view in the thickness direction of the first external electrode layer of the first capacitor element.
11 . An integrated capacitor comprising:
a plurality of capacitor elements each having a first internal electrode and a second internal electrode;
an exterior body accommodating the plurality of capacitor elements;
a plurality of first external electrode layers on an outer surface of the exterior body, the first external electrode layers being electrically connected to the first internal electrodes of the plurality of capacitor elements, respectively; and
a plurality of second external electrode layers on the outer surface of the exterior body, the second external electrode layers being electrically connected to the second internal electrodes of the plurality of the capacitor elements, respectively,
wherein one of the first external electrode layers of at least a first capacitor element of the plurality of capacitor elements has a projecting portion projecting outward or a recessed portion recessed inward from part of an outer edge of the first external electrode layer in a plan view in a thickness direction of the first external electrode layer, and
wherein the plurality of capacitor elements are electrolytic capacitors.