Inductor and manufacturing method therefor
AssigneeShenzhen Sunlord Electronics Co., Ltd.
InventorWenjie WANG
Life of this patent
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Abstract
An inductor includes a main body, a first outer electrode and a second outer electrode. The main body includes multiple base layers sequentially stacked, and each includes a first insulating layer, an electrode layer and a second insulating layer. The second insulating layer is provide on the first insulating layer, located on the same surface of the first insulating layer as the electrode layer, and the second insulating layer has a gap distributed on a peripheral side of the electrode layer, the distance from the gap to the peripheral side surface of the electrode layer being d1, and d1≥10 μm, with the gap filled with a low-dielectric-constant medium.
Claims19
An inductor, comprising:
- a main body, wherein the main body comprises multiple base layers stacked in sequence, each of the base layers comprises a first insulating layer, an electrode layer, and a second insulating layer, the electrode layer is disposed on the first insulating layer, the electrode layer of each of the base layers is electrically connected in sequence to form an inner electrode, the second insulating layer is disposed on the first insulating layer and located on the same surface of the first insulating layer as the electrode layer, the second insulating layer comprises a gap, the gap is distributed on a peripheral side of the electrode layer, and the gap is filled with a low dielectric constant medium;
- a first outer electrode is disposed at one end of the main body, the first outer electrode is electrically connected to the inner electrode;
- and
- a second outer electrode is disposed at an end of the main body opposite to the first outer electrode, the second outer electrode is electrically connected to the inner electrode.
A method for manufacturing an inductor, comprising:
- providing multiple first insulating layers;
- forming an electrode layer, a second insulating layer, and a low dielectric constant medium on one surface of each of the first insulating layers, wherein the low dielectric constant medium is distributed on a peripheral side of the electrode layer;
- stacking the multiple first insulating layers formed with the electrode layer, the second insulating layer, and the low dielectric constant medium in sequence to form a main body, wherein the electrode layer formed on each of the first insulating layers is electrically connected in sequence to form an inner electrode;
- providing a first outer electrode and a second outer electrode, and disposing the first outer electrode and the second outer electrode on two opposite sides of the main body respectively, wherein the first outer electrode is electrically connected to the inner electrode, and the second outer electrode is electrically connected to the inner electrode.
A method for manufacturing an inductor, comprising:
- providing multiple first insulating layers;
- forming an electrode layer, a second insulating layer, and a first medium on one surface of each of the first insulating layers, wherein the first medium is distributed on a peripheral side of the electrode layer, and the first medium comprises a consumable material;
- stacking the multiple first insulating layers formed with the electrode layer, the second insulating layer, and the first medium in sequence to form a main body, wherein the electrode layer formed on each of the first insulating layers is electrically connected in sequence to form an inner electrode;
- sintering the main body to remove the consumable material;
- and
- providing a first outer electrode and a second outer electrode, and disposing the first outer electrode and the second outer electrode on two opposite sides of the main body respectively, wherein the first outer electrode is electrically connected to the inner electrode, and the second outer electrode is electrically connected to the inner electrode.
Dependencies are inferred from the claim text.