Multilayer electronic component

• US 10,650,975 B2
• Filed: 05/24/2018
• Issued: 05/12/2020
• Est. Priority Date: 11/24/2017
• Status: Active Grant

• Current Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: Cho, Beom Joon
• Primary Examiner(s): Milakovich, Nathan
• Application Number:
  US15/988,817
• Publication Number:
  US 20190164695A1
• Time in Patent Office: 719 Days
• CPC Class Codes: H01G 4/005 Electrodes
• CPC Class Codes: H01G 4/008 Selection of materials
• CPC Class Codes: H01G 4/1227 based on alkaline earth titanates
• CPC Class Codes: H01G 4/228 Terminals
• CPC Class Codes: H01G 4/232 electrically connecting two or more layers of a stacked or rolled capacitor
• CPC Class Codes: H01G 4/30 Stacked capacitors H01G4/33 takes precedence

Abstract

A multilayer electronic component includes: a first frame terminal including a first side frame, a first bottom frame and a first top frame; a second frame terminal including a second side frame, a second bottom frame and a second top frame; an electronic component including first and second external electrodes, and disposed between the first and second side frames; a first conductive adhesive disposed between the first external electrode and an upper portion of the first frame terminal; and a second conductive adhesive disposed between the second external electrode and an upper portion of the second frame terminal, wherein space portions are provided between the first and second external electrodes and lower portions of the first and second side frames and between the first and second external electrodes and the first and second bottom frames, respectively.

Claims

1. A multilayer electronic component comprising:

a first frame terminal including a first side frame extending in a first direction, a first bottom frame extending in a second direction and from a lower end of the first side frame, and a first top frame extending in the second direction and from an upper end of the first side frame;

a second frame terminal including a second side frame facing the first side frame and extending in the first direction, a second bottom frame extending in a third direction opposite to the second direction and from a lower end of the second side frame, and a second top frame extending in the third direction and from an upper end of the second side frame;

an electronic component including a first external electrode and a second external electrode disposed on opposing ends of the electronic component, respectively, and disposed between the first and second side frames;

a first conductive adhesive disposed between the first external electrode and an upper portion of the first side frame and between the first external electrode and the first top frame;

a second conductive adhesive disposed between the second external electrode and an upper portion of the second side frame and between the second external electrode and the second top frame; and

a sealing part entirely enclosing the electronic component,

wherein space portions are provided between the first and second external electrodes and lower portions of the first and second side frames and between the first and second external electrodes and the first and second bottom frames, respectively, and

wherein a portion of the first conductive adhesive is arranged between the first side frame and a first side surface of the sealing part adjacent to the first side frame, so as to be exposed externally, and

wherein a portion of the second conductive adhesive is arranged between the second side frame and a second side surface of the sealing part adjacent to the second side frame, so as to be exposed externally.

2. The multilayer electronic component of claim 1, wherein the electronic component includes a body including a plurality of dielectric layers and a plurality of first and second internal electrodes alternately disposed with a respective dielectric layer of the plurality of dielectric layers interposed therebetween, and having first and second surfaces opposing each other and third and fourth surfaces connected to the first and second surfaces and opposing each other, one end of the plurality of first and second internal electrodes being exposed to the third and fourth surfaces of the body, respectively, and

the first and second external electrodes respectively include first and second connection portions disposed on the third and fourth surfaces of the body, respectively, and connected to the plurality of first and second internal electrodes, respectively, and first and second band portions extending from the first and second connection portions to portions of the first and second surfaces of the body, respectively.

3. The multilayer electronic component of claim 1,

wherein the sealing part is spaced apart from the first and second side frames and the first and second bottom frames.

4. The multilayer electronic component of claim 1, wherein the sealing part is disposed to cover the electronic component and portions of the first and second top frames.

5. The multilayer electronic component of claim 4, wherein portions of the first and second conductive adhesives are not covered by the sealing part and are exposed externally.

6. The multilayer electronic component of claim 1, wherein a connection angle between the first side frame and the first top frame and a connection angle between the second side frame and the second top frame are each substantially 90 degrees.

7. The multilayer electronic component of claim 1, wherein a connection angle between the first side frame and the first top frame and a connection angle between the second side frame and the second top frame are each less than 90 degrees.

8. A multilayer electronic component comprising:

a first frame terminal including a first side frame extending in a first direction, a first bottom frame extending in a second direction and from a lower end of the first side frame, and a first top frame extending in the second direction and from an upper end of the first side frame;

a second frame terminal including a second side frame facing the first side frame and extending in the first direction, a second bottom frame extending in a third direction opposite to the second direction and from a lower end of the second side frame, and a second top frame extending in the third direction and from an upper end of the second side frame;

an electronic component including a first external electrode and a second external electrode disposed on opposing ends of the electronic component, and disposed between the first and second side frames;

first and second conductive adhesives respectively disposed between the first top frame and the first external electrode and between the second top frame and the second external electrode; and

a sealing part disposed to entirely enclose the electronic component and portions of the first and second top frames,

wherein space portions are provided between the sealing part and the first and second side frames and between the sealing part and the first and second bottom frames,

wherein a portion of the first conductive adhesive is arranged between the first side frame and a first side surface of the sealing part adjacent to the first side frame, so as to be exposed externally, and

wherein a portion of the second conductive adhesive is arranged between the second side frame and a second side surface of the sealing part adjacent to the second side frame, so as to be exposed externally.

9. The multilayer electronic component of claim 8, wherein the electronic component includes a body including a plurality of dielectric layers and a plurality of first and second internal electrodes alternately disposed with a respective dielectric layer of the plurality of dielectric layers interposed therebetween, and having first and second surfaces opposing each other and third and fourth surfaces connected to the first and second surfaces and opposing each other, one end of the plurality of first and second internal electrodes being exposed to the third and fourth surfaces of the body, respectively, and

the first and second external electrodes respectively include first and second connection portions disposed on the third and fourth surfaces of the body, respectively, and connected to the plurality of first and second internal electrodes, respectively, and first and second band portions extending from the first and second connection portions to portions of the first and second surfaces of the body, respectively.