Multilayer electronic component and conductive paste composition for internal electrode

Patent metadata

Field	Value
Publication number	US-9576697-B2
Application number	US-201414485485-A
Country	US
Kind code	B2
Filing date	Sep 12, 2014
Priority date	Jun 24, 2014
Publication date	Feb 21, 2017
Grant date	Feb 21, 2017

Abstract

A multilayer electronic component may include a multilayer body including a plurality of magnetic material layers, and an internal electrode disposed in the multilayer body. The internal electrode may contain a conductive metal and glass, and the glass contains a vanadium (V) oxide.
Also, a conductive paste composition for an internal electrode includes a conductive metal and glass, wherein the glass contains a vanadium (V) oxide.

First claim

What is claimed is:

1. A multilayer electronic component comprising:
a multilayer body including a plurality of magnetic material layers; and
an internal electrode disposed in the multilayer body,
wherein the internal electrode contains a conductive metal and glass, and the glass contains a vanadium (V) oxide,
wherein the glass further comprises:
one or more selected from a group consisting of a silicon (Si) oxide and a boron (B) oxide;
on or more selected from a group consisting of a lithium (Li) oxide, a potassium (K) oxide, and a calcium (Ca) oxide; and
one or more selected from a group consisting of a titanium (Ti) oxide and an aluminum (Al) oxide.

2. The multilayer electronic component of claim 1 , wherein the glass contains 10 to 30 mol % of vanadium (V) oxide.

3. The multilayer electronic component of claim 1 , wherein when a molar ratio of one or more selected from the group consisting of the silicon (Si) oxide and the boron (B) oxide is defined as a, a molar ratio of one or more selected from the group consisting of the lithium (Li) oxide, the potassium (K) oxide, and the calcium (Ca) oxide is defined as b, a molar ratio of the vanadium (V) oxide is defined as c, and a molar ratio of one or more selected from the group consisting of the titanium (Ti) oxide and the aluminum (Al) oxide is d, a, b, c, and d satisfy a+b+c+d=100 mol %, 30 mol %≦a≦60 mol %, 10 mol %≦b≦30 mol %, 10 mol %≦c≦30 mol %, and 1 mol %≦d≦20 mol %.

4. The multilayer electronic component of claim 1 , wherein the internal electrode comprises 0.1 to 1 wt % of the glass.

5. The multilayer electronic component of claim 1 , wherein in the internal electrode, a weight ratio of the vanadium (V) oxide with respect to the conductive metal is in a range of 0.00025 to 0.00500.

6. The multilayer electronic component of claim 1 , wherein the magnetic material layer is formed using an alloy containing one or more selected from a group consisting of iron (Fe), silicon (Si), chromium (Cr), aluminum (Al), and nickel (Ni).

7. The multilayer electronic component of claim 1 , wherein the conductive metal comprises one or more selected from a group consisting of silver (Ag), palladium (Pd), aluminum (Al), nickel (Ni), titanium (Ti), gold (Au), copper (Cu), and platinum (Pt).

Assignees

• Samsung Electro Mech

Inventors

• Lee Young Il
• Song So Yeon
• Son Soo Hwan

Classifications

• H01F5/00

  Coils (superconducting coils H01F6/06; fixed inductances of the signal type H01F17/00) · CPC title

• H01F2027/2809

  on stacked layers · CPC title

• H01B1/16

  the conductive material comprising metals or alloys · CPC title

• H01B1/22 Primary

  the conductive material comprising metals or alloys · CPC title

• H01F27/2804

  Printed windings · CPC title