IP Library › Granted Patent US 11,315,733
Granted Patent B2
US 11,315,733 · App. 17/005,775 · Granted Apr 26, 2022

Multilayer ceramic electronic parts with conductive resin

Inventors: Hye Hun Park (Suwon-si, KR); Won Kuen Oh (Suwon-si, KR); Tae Gyeom Lee (Suwon-si, KR); Ji Hong Jo (Suwon-si, KR)
Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
H01G4/2325H01G4/30
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Quick Facts
Patent No.
US 11,315,733
App. No.
17/005,775
Granted
Apr 26, 2022
Kind
B2
Abstract

A multilayer ceramic electronic component includes a ceramic body having a dielectric layer and an internal electrode, an electrode layer connected to the internal electrode, and a conductive resin layer disposed on the electrode layer and including a conductive metal, a metal having a lower melting point than the conductive metal, a conductive carbon, and a base resin. The conductive carbon is included in the conductive resin layer in an amount of 0.5 to 5.0 parts by weight based on 100 parts by weight of the conductive metal.

Claims (40)

1. A multilayer ceramic electronic component, comprising:

a ceramic body including a dielectric layer and an internal electrode;

an electrode layer connected to the internal electrode; and

a conductive resin layer disposed on the electrode layer, and including a conductive metal, a metal having a lower melting point than the conductive metal, a conductive carbon, and a base resin,

wherein the conductive carbon is included in the conductive resin layer in an amount of 0.5 to 5.0 parts by weight based on 100 parts by weight of the conductive metal.

2. The multilayer ceramic electronic component of claim 1 , wherein the metal having the lower melting point than the conductive metal is tin (Sn).

3. The multilayer ceramic electronic component of claim 2 , wherein the tin (Sn) is included in the conductive resin layer in an amount of 10 to 50 parts by weight based on 100 parts by weight of the conductive metal.

4. The multilayer ceramic electronic component of claim 1 , wherein the conductive carbon is at least one of graphene, carbon nanotubes, and carbon black.

5. The multilayer ceramic electronic component of claim 4 , wherein the conductive carbon is graphene, and a length of a long axis of the graphene of the conductive carbon is 0.2 nm to 10 μm.

6. The multilayer ceramic electronic component of claim 4 , wherein the conductive carbon is graphene, and a length of a short axis of the graphene of the conductive carbon is 0.2 nm to 10 μm.

7. The multilayer ceramic electronic component of claim 1 , wherein the conductive carbon is provided as at least one conductive carbon disposed in an area of 1 μm×1 μm (width×height) in a cross-section of the conductive resin layer.

8. A multilayer ceramic electronic component, comprising:

a ceramic body including a dielectric layer and an internal electrode;

an electrode layer connected to the internal electrode; and

a conductive resin layer disposed on the electrode layer, and including a conductive metal, a metal having a lower melting point than the conductive metal, a conductive carbon, and a base resin,

wherein the conductive resin layer has a composition having two peaks in Raman analysis thereof.

9. The multilayer ceramic electronic component of claim 8 , wherein the composition of the conductive resin layer has the two peaks including a peak in a D band and a peak in a G band.

10. The multilayer ceramic electronic component of claim 8 , wherein the conductive carbon is graphene.

11. The multilayer ceramic electronic component of claim 10 , wherein the graphene is included in the conductive resin layer in an amount of 0.5 to 5.0 parts by weight based on 100 parts by weight of the conductive metal.

12. The multilayer ceramic electronic component of claim 10 , wherein a length of a long axis of the graphene is 0.2 nm to 10 μm.

13. The multilayer ceramic electronic component of claim 10 , wherein a length of a short axis of the graphene is 0.2 nm to 10 μm.

14. The multilayer ceramic electronic component of claim 8 , wherein the metal having the lower melting point than the conductive metal is tin (Sn).

15. The multilayer ceramic electronic component of claim 14 , wherein the tin (Sn) is included in the conductive resin layer in an amount of 10 to 50 parts by weight based on 100 parts by weight of the conductive metal in the conductive resin layer.

16. A multilayer ceramic electronic component, comprising:

a ceramic body including first internal electrodes and second internal electrodes that are alternately stacked with dielectric layers disposed therebetween; and

first and second external electrodes disposed an external surface of the ceramic body and respectively connected to the first and second internal electrodes,

wherein each of the first and second external electrodes includes a conductive resin layer including a conductive metal, a metal having a lower melting point than the conductive metal, a conductive carbon, and a base resin, and

content of the conductive carbon in the conductive resin layer is 0.4 wt % to 5.0 wt %.

17. The multilayer ceramic electronic component of claim 16 , wherein the conductive carbon is at least one of graphene and carbon black.

18. The multilayer ceramic electronic component of claim 16 , wherein the metal having the lower melting point than the conductive metal is included in the conductive resin layer in an amount of 10 to 50 parts by weight based on 100 parts by weight of the conductive metal in the conductive resin layer.

19. The multilayer ceramic electronic component of claim 16 , wherein the first and second external electrodes are disposed on respective opposing surface of the ceramic body, and each include an electrode layer disposed between the conductive resin layer and the respective opposing surface of the ceramic body.

20. The multilayer ceramic electronic component of claim 16 , wherein the conductive metal of the conductive resin layer of the first and second external electrodes includes at least one of copper (Cu), nickel (Ni), silver (Ag), and silver-palladium (Ag—Pd).

21. A multilayer ceramic electronic component, comprising:

a ceramic body including a dielectric layer and an internal electrode;

an electrode layer connected to the internal electrode; and

a conductive resin layer disposed on the electrode layer, and including tin (Sn), a conductive metal having a melting point higher than tin (Sn), a base resin, and graphene or carbon black,

wherein the tin (Sn) is included in the conductive resin layer in an amount of 10 to 50 parts by weight based on 100 parts by weight of the conductive metal in the conductive resin layer.

22. The multilayer ceramic electronic component of claim 21 , wherein the graphene in the conductive resin layer is 0.5 to 5.0 parts by weight based on 100 parts by weight of the conductive metal.

23. The multilayer ceramic electronic component of claim 21 , wherein the carbon black in the conductive resin layer is 0.5 to 5.0 parts by weight based on 100 parts by weight of the conductive metal.

24. The multilayer ceramic electronic component of claim 21 , wherein a length of a long axis of the graphene in the conductive resin layer is 0.2 nm to 10 μm.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 28, 2020
From: PARK, HYE HUN; OH, WON KUEN; LEE, TAE GYEOM; JO, JI HONG
To: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Reel/Frame 053635/0287 →
Priority Claims (1)
KR 10-2019-0115900 · Sep 20, 2019 · national
Continuity (1)
Related Publication 20210090804A1 · Mar 25, 2021