Multi-layered capacitor and circuit board mounted with multi-layered capacitor
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsMin Cheol PARK, Young Ghyu AHN, Sang Soo PARK, Joon Yeob CHO
Life of this patent
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Abstract
Disclosed herein is a multi-layered capacitor, including: an element formed by alternately multi-layering a dielectric layer and an internal electrode; and external terminals disposed at both ends of the element, wherein the dielectric layer disposed at an upper end U and a lower end L of the element is formed of a paraelectric material and the dielectric layer disposed at a central part C of the element is formed of a ferroelectric material.
Claims18
A multi-layered capacitor, comprising:
- an element formed by alternately multi-layering a dielectric layer and an internal electrode;
- and
- external terminals disposed at both ends of the element,
- wherein the dielectric layer disposed at an upper end U and a lower end L of the element is formed of a paraelectric material and the dielectric layer disposed at a central part C of the element is formed of a ferroelectric material.
A circuit board mounted with a multi-layered capacitor, wherein in a circuit board mounting structure of the multi-layered capacitor,
- the multi-layered capacitor includes an element formed by alternately multi-layering a dielectric layer and an internal electrode;
- and external terminals disposed at both ends of the element,
- the dielectric layer disposed at an upper end U and a lower end L of the element is formed of a paraelectric material and the dielectric layer disposed at a central part C of the element is formed of a ferroelectric material, and
- the external terminal is conductively connected with a land disposed in the circuit board via a conductive material.
A multi-layered capacitor, comprising:
- a capacity portion C formed by alternately multi-layering a dielectric layer formed of a ferroelectric material and an internal electrode;
- margin portions M21 and M22 disposed on upper and lower parts of the capacity portion C and formed of a paraelectric material;
- and
- external terminals disposed at both ends of an element configured of the capacity portion C and the margin portions M21 and M22.
A circuit board mounted with a multi-layered capacitor, wherein in a circuit board mounting structure of the multi-layered capacitor,
- the multi-layered capacitor includes a capacity portion C formed by alternately multi-layering a dielectric layer formed of a ferroelectric material and an internal electrode;
- margin portions M21 and M22 disposed on upper and lower parts of the capacity portion C and formed of a paraelectric material;
- and external terminals disposed at both ends of an element configured of the capacity portion C and the margin portions M21 and M22, and
- the external terminal is conductively connected with a land disposed in the circuit board via a conductive material.
Dependencies are inferred from the claim text.