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 nitrogen (N) and tin (Sn).
2. The capacitor component of claim 1 , wherein:
the nitrogen (N) is contained in an amount of 0.01 wt % or more and 5.8 wt % or less based on a total weight of the glass.
3. The capacitor component of claim 1 , wherein:
the tin (Sn) 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 1 , wherein:
the glass further includes at least one selected from the group consisting of iron (Fe), nickel (Ni), and yttrium (Y).
5. The capacitor component of claim 4 , wherein:
tin (Sn) and the at least one selected from the group consisting of iron (Fe), nickel (Ni), and yttrium (Y) are contained in a total amount of 4.5 wt % or less based on the total weight of the glass.
6. The capacitor component of claim 4 , wherein:
the conductive base includes at least one of copper (Cu), silver (Ag), platinum (Pt), nickel (Ni), and tin (Sn).
7. The capacitor component of claim 4 , wherein:
the glass further includes iron (Fe).
8. The capacitor component of claim 4 , wherein:
the glass further includes nickel (Ni).
9. The capacitor component of claim 1 , wherein:
the external electrode includes a first electrode layer, including the conductive base and the glass disposed in the conductive base, and a second electrode layer disposed on the first electrode layer.
10. A paste for an external electrode, the paste comprising:
conductive powder particles, glass powder particles, and a binder, wherein:
the glass powder particles include nitrogen (N) and tin (Sn).
11. The paste of claim 10 , wherein:
the nitrogen (N) is contained in an amount of 0.01 wt % or more and 5.8 wt % or less based on a total weight of the glass powder particles.
12. The paste of claim 10 , wherein the glass powder particles include 7 wt % or less of SnO 2 .
13. The paste of claim 10 , wherein:
the glass powder particles further include SnO 2 and at least one oxide selected from the group consisting of iron (Fe), nickel (Ni), and yttrium (Y).
14. The paste of claim 13 , wherein the glass powder particles includes (i) SnO 2 and (ii) Fe 2 O 3 , NiO, or both, and a total amount of (i) and (ii) is 7 wt % or less.
15. The paste of claim 14 , wherein:
the conductive powder particles includes at least one of copper (Cu), silver (Ag), platinum (Pt), nickel (Ni), and tin (Sn).
16. The paste of claim 13 , wherein the glass powder particles includes SnO 2 and Fe 2 O 3 .
17. The paste of claim 13 , wherein the glass powder particles includes SnO 2 and NiO.
18. The paste of claim 13 , wherein the glass powder particles includes SnO 2 , Fe 2 O 3 , and NiO.
19. The paste of claim 13 , wherein the glass powder particles includes SnO 2 and an oxide that includes yttrium (Y).
20. The paste of claim 10 , 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.