Capacitor component and paste for external electrode
A capacitor component includes a body, including a dielectric layer and an internal electrode layer, and an external electrode disposed on one surface of the body. The external electrode includes a conductive base and a glass disposed in the conductive base, and the glass includes 0.01 wt % or more to 5.8 wt % or less of nitrogen (N) based on a total weight of the glass.
1. A capacitor component comprising:
a body including a dielectric layer and an internal electrode layer; and
an external electrode disposed on one surface of the body, wherein:
the external electrode includes a conductive base and a glass disposed in the conductive base; and
the glass includes 0.01 wt % or more to 5.8 wt % or less of nitrogen (N) based on a total weight of the glass.
2. The capacitor component of claim 1 , wherein:
the glass further includes at least one selected from the group consisting of tin (Sn), iron (Fe), nickel (Ni), and yttrium (Y).
3. The capacitor component of claim 2 , wherein:
the at least one selected from the group consisting of tin (Sn), iron (Fe), nickel (Ni), and yttrium (Y) is contained in an amount of 4.5 wt % or less based on the total weight of the glass.
4. The capacitor component of claim 3 , wherein:
the conductive base includes at least one of copper (Cu), silver (Ag), platinum (Pt), nickel (Ni), and tin (Sn).
5. The capacitor component of claim 1 , wherein:
the external electrode includes a first electrode layer, including the conductive base and a glass disposed in the conductive base, and a second electrode layer disposed on the first electrode layer.
6. The capacitor component of claim 1 , wherein the glass further includes tin (Sn).
7. A paste for an external electrode, the paste comprising:
conductive powder particles, glass powder particles, and a binder, wherein:
the glass powder particles include 0.01 wt % or more to 5.8 wt % or less of nitrogen (N) based on a total weight of the glass powder particles.
8. The paste of claim 7 , wherein:
the glass powder particles further include at least one oxide selected from the group consisting of tin (Sn), iron (Fe), nickel (Ni), and yttrium (Y).
9. The paste of claim 8 , wherein the glass powder particles includes 7 wt % or less of at least one of SnO 2 , Fe 2 O 3 , and NiO.
10. The paste of claim 9 , wherein:
the conductive powder particles includes at least one of copper (Cu), silver (Ag), platinum (Pt), nickel (Ni), and tin (Sn).
11. The paste of claim 9 , wherein:
the glass powder particles further includes 5 wt % or more to 55 wt % or less of SiO 2 , 10 wt % or more to 50 wt % or less of BaO, 10 wt % or more to 25 wt % or less of alkali metal oxide, 1 wt % or more to 10 wt % % of CaO, 5 wt % or more to 25 wt % or less of B 2 O 3 , 1 wt % or more to 25 wt % or less of Al 2 O 3 , and 1 wt % or more to 20 wt % or less of ZnO.
12. The paste of claim 8 , wherein the glass powder particles further include an oxide of tin (Sn).
13. The paste of claim 7 , wherein the glass powder particles include 0.6 wt % or more to 5.8 wt % or less of nitrogen (N) based on a total weight of the glass powder particles.
14. A method for producing an external electrode of a capacitor component, the method comprising:
applying the paste of claim 7 to a surface of a body of the capacitor component; and
sintering the applied paste.
15. A capacitor component comprising:
a body including a dielectric layer and an internal electrode layer; and
an external electrode disposed on one surface of the body, wherein:
the external electrode includes a conductive base and a glass disposed in the conductive base; and
the glass includes 0.6 wt % or more to 5.8 wt % or less of nitrogen (N) based on a total weight of the glass.
16. The capacitor component of claim 15 , wherein:
the glass further includes at least one selected from the group consisting of tin (Sn), iron (Fe), nickel (Ni), and yttrium (Y).
17. The capacitor component of claim 16 , wherein the glass further includes tin (Sn).
18. The capacitor component of claim 16 , wherein:
the at least one selected from the group consisting of tin (Sn), iron (Fe), nickel (Ni), and yttrium (Y) is contained in an amount of 4.5 wt % or less based on the total weight of the glass.
19. The capacitor component of claim 15 , wherein:
the conductive base includes at least one of copper (Cu), silver (Ag), platinum (Pt), nickel (Ni), and tin (Sn).
20. The capacitor component of claim 15 , wherein:
the external electrode includes a first electrode layer, including the conductive base and a glass disposed in the conductive base, and a second electrode layer disposed on the first electrode layer.