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US 11,688,554 B2Granted
Tantalum capacitor and manufacturing method thereof
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsJin Ho Hong, Hyun Sub Oh, Youn Soo Kim, Hong Kyu Shin, Hee Sung Choi
Life of this patent
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Abstract
A tantalum capacitor includes: first and second surfaces facing in a first direction, third and fourth surfaces facing in a second direction, and fifth and sixth surfaces facing in a third direction; a tantalum body having one surface through which a tantalum wire is exposed in the first direction; and a substrate on which the tantalum body is mounted, wherein the substrate may be an organic-inorganic composite substrate.
Claims32
A tantalum capacitor, comprising:
- first and second surfaces facing in a first direction, third and fourth surfaces facing in a second direction, and fifth and sixth surfaces facing in a third direction;
- a tantalum body having one surface through which a tantalum wire is exposed in the first direction;
- and
- a substrate on which the tantalum body is mounted in the third direction,
- wherein the substrate is an organic-inorganic composite substrate,
- the substrate comprises a positive electrode connection portion connected to the tantalum wire;
- a negative electrode connection portion connected to the tantalum body;
- a positive electrode terminal connected to the positive electrode connection portion and exposed to the sixth surface;
- and a negative electrode terminal connected to the negative electrode connection portion and exposed to the sixth surface,
- side surfaces of the positive and negative electrode connection portions are entirely embedded in the substrate,
- the positive electrode connection portion and the positive electrode terminal are discrete layers from each other and in direct contact with each other, and the negative electrode connection portion and the negative electrode terminal are discrete layers from each other and in direct contact with each other, and
- the positive electrode terminal and the negative electrode terminal are exposed to the sixth surface, respectively.
9 more elements
A tantalum capacitor, comprising:
- first and second surfaces facing in a first direction, third and fourth surfaces facing in a second direction, and fifth and sixth surfaces facing in a third direction;
- a tantalum body having one surface through which a tantalum wire is exposed in the first direction;
- and
- a substrate on which the tantalum body is mounted in the third direction,
- wherein the substrate comprises a first layer having a substrate mounting surface, through which the tantalum capacitor is mounted, and a second layer on which the tantalum body is mounted,
- the first layer and the second layer are in direct contact with each other,
- an uppermost surface of the first layer is coplanar with a lowermost surface of the second layer,
- the first layer comprises a positive electrode terminal and a negative electrode terminal, and the second layer comprises a positive electrode connection portion and a negative electrode connection portion, and
- the positive electrode connection portion and the positive electrode terminal are in direct contact with each other, and the negative electrode connection portion and the negative electrode terminal are in direct contact with each other.
6 more elements
A tantalum capacitor, comprising:
- a tantalum body having one surface through which a tantalum wire is exposed in a first direction;
- and
- a substrate on which the tantalum body is mounted in a second direction,
- wherein the substrate includes first and second resist layers, stacked one another in the second direction, and first and second through-holes penetrating the first and second resist layers in the second direction, and
- two layers of positive electrodes are disposed in the first through-hole and two layers of negative electrodes are disposed in the second through-hole.
2 more elements
Dependencies are inferred from the claim text.