# US 10,770,229 B2 · Dielectric composition and electronic component containing the same

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- Number: US 10,770,229 B2
- Document ID: US10770229B2
- Status: Granted
- Kind: B2
- Application number: 16/115,049
- Filed: 2018-08-28
- Published: 2019-10-03
- Granted: 2020-09-08
- Earliest claimed: 2018-03-28
- Assignees: Samsung Electro-Mechanics Co., Ltd.
- Applicants: Samsung Electro-Mechanics Co., Ltd.
- Inventors: Sung Hyung Kang; Hyung Kyu Kim; Jong Hyun Cho; Du Won Choi; Yong Koo Kim; Hang Kyu Cho
- Web page: https://patentgrep.com/patent/US10770229B2

## CPC

- H01G 4/1227: {based on alkaline earth titanates}
- C01G 23/006: {Alkaline earth titanates}
- C04B 35/4682: {based on BaTiO3 perovskite phase}
- C04B 35/62635: {Mixing details}
- H01G 4/008: Selection of materials
- H01G 4/30: Stacked capacitors (H01G4/33 takes precedence)
- C04B 2235/3201: Alkali metal oxides or oxide-forming salts thereof
- C04B 2235/3203: Lithium oxide or oxide-forming salts thereof
- C04B 2235/3206: Magnesium oxides or oxide-forming salts thereof
- C04B 2235/3208: Calcium oxide or oxide-forming salts thereof, e.g. lime
- C04B 2235/3213: Strontium oxides or oxide-forming salts thereof
- C04B 2235/3215: Barium oxides or oxide-forming salts thereof
- C04B 2235/3217: Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B 2235/3224: Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B 2235/3225: Yttrium oxide or oxide-forming salts thereof
- C04B 2235/3236: Alkaline earth titanates
- C04B 2235/3239: Vanadium oxides, vanadates or oxide forming salts thereof, e.g. magnesium vanadate
- C04B 2235/3241: Chromium oxides, chromates, or oxide-forming salts thereof
- C04B 2235/3251: Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
- C04B 2235/3256: Molybdenum oxides, molybdates or oxide forming salts thereof, e.g. cadmium molybdate
- C04B 2235/3262: Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
- C04B 2235/3272: Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
- C04B 2235/3275: Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
- C04B 2235/3409: Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
- C04B 2235/3418: Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
- C04B 2235/3817: Carbides
- C04B 2235/3826: Silicon carbides
- C04B 2235/3839: Refractory metal carbides
- C04B 2235/652: Reduction treatment (C04B2235/664 takes precedence)
- C04B 2235/6582: Hydrogen containing atmosphere
- C04B 2235/79: Non-stoichiometric products, e.g. perovskites (ABO3) with an A/B-ratio other than 1
- H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10)
- C01G: COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts or peroxyacids C01B15/00; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium, or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds containing nitrogen, other non-metals and metal C01B21/082}; metal amides C01B21/092; nitrites C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; compounds having molecular sieve properties but not having base-exchange properties C01B37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B39/00; cyanides C01C3/08; salts of cyanamide C01C3/16; thiocyanates C01C3/20)
- C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE

## Abstract

A dielectric composition contains: a base material powder containing BamTiO3 (0.995≤m≤1.010); a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles; a second accessory ingredient containing one of ions, oxides, carbides, and hydrates of Si in a content of 0.6 to 4.5 moles; a third accessory ingredient containing at least one element in Period 4 or higher; and a fourth accessory ingredient containing at least one element in Period 3, wherein 0.70×B≤C+D≤1.50×B and 0.20≤D/(C+D)≤0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.

## Claims

### Claim 1

A dielectric composition comprising:
a base material powder containing BamTiO3 (0.995≤m≤1.010);
a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles, based on 100 moles of the base material powder;
a second accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of Si in a total content of 0.6 to 4.5 moles, based on 100 moles of the base material powder;
a third accessory ingredient, distinct from the second accessory ingredient, containing at least one element in Period 4 or higher; and
a fourth accessory ingredient containing at least one element in Period 3,
wherein 0.70×B≤C+D≤1.50×B and 0.20≤D/(C+D)≤0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.

### Claim 2 (depends on 1)

The dielectric composition of claim 1, wherein the first accessory ingredient contains at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of V, Nb, and Ta.

### Claim 3 (depends on 1)

The dielectric composition of claim 1, wherein the third accessory ingredient contains at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Ca, Sr, and Ba.

### Claim 4 (depends on 1)

The dielectric composition of claim 1, wherein the fourth accessory ingredient contains Mg.

### Claim 5 (depends on 1)

The dielectric composition of claim 1, further comprising a fifth accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Mn, Cr, Fe, Mo, and Co in a content of 0.1 to 1.0 mole based on 100 moles of the base material powder.

### Claim 6 (depends on 1)

The dielectric composition of claim 1, further comprising a sixth accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Y, Sm, Eu, Dy, Ho, Er, and Yb in a content of 0.2 to 4.0 moles, based on 100 moles of the base material powder.

### Claim 7 (depends on 1)

The dielectric composition of claim 1, further comprising an oxide of at least one of Li, K, B, and Al in a content of 0.1 to 0.5 moles, based on 100 moles of the base material powder.

### Claim 8 (depends on 1)

The dielectric composition of claim 1, wherein the first accessory ingredient is solid-dissolved at a Ti-site in BaTiO3, and has an ionic radius smaller than that of Ti4+ having a coordinate number of 6 when a coordinate number of the element is 6.

### Claim 9

An electronic component comprising:
a body including a plurality of dielectric layers and internal electrodes; and
external electrodes disposed on the body to be connected to the internal electrodes,
wherein the dielectric layer contains:
a base material powder containing BamTiO3 (0.995≤m≤1.010);
a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles, based on 100 moles of the base material powder;
a second accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of Si in a content of 0.6 to 4.5 moles, based on 100 moles of the base material powder;
a third accessory ingredient, distinct from the second accessory ingredient, containing at least one element in Period 4 or higher; and
a fourth accessory ingredient containing at least one element in Period 3,
wherein 0.70×B≤C+D≤1.50×B and 0.20≤D/(C+D)≤0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.

### Claim 10 (depends on 9)

The electronic component of claim 9, wherein the dielectric layer further contains a fifth accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Mn, Cr, Fe, and Co in a content of 0.1 to 1.0 mole, based on 100 moles of the base material powder.

### Claim 11 (depends on 9)

The electronic component of claim 9, wherein the dielectric layer further contains a sixth accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Y, Sm, Eu, Dy, Ho, Er, and Yb in a content of 0.2 to 4.0 moles, based on 100 moles of the base material powder.

### Claim 12 (depends on 9)

The electronic component of claim 9, wherein the dielectric layer further contains an oxide of at least one of Li, K, B, and Al in a content of 0.1 to 0.5 moles, based on 100 moles of the base material powder.

### Claim 13 (depends on 9)

The electronic component of claim 9, wherein the dielectric layer has a thickness of 0.2 μm or more.

### Claim 14 (depends on 9)

The electronic component of claim 9, wherein the first accessory ingredient is solid-dissolved at a Ti-site in BaTiO3, and has an ionic radius smaller than that of Ti4+ having a coordinate number of 6 when a coordinate number of the element is 6.

### Claim 15

A dielectric composition comprising:
a base material powder containing BamTiO3 (0.995≤m≤1.010);
a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles, based on 100 moles of the base material powder;
a second accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of Si in a content of 0.6 to 4.5 moles, based on 100 moles of the base material powder;
a third accessory ingredient, distinct from the second accessory ingredient, containing at least one Group 2 element; and
a fourth accessory ingredient containing at least one Group 2 element having a lower atomic number than the at least one Group 2 element contained in the third accessory ingredient,
wherein 0.70×B≤C+D≤1.50×B and 0.20≤D/(C+D)≤0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.

### Claim 16 (depends on 15)

The dielectric composition of claim 15, wherein the first accessory ingredient contains at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of V, Nb, and Ta.

### Claim 17 (depends on 15)

The dielectric composition of claim 15, wherein the third accessory ingredient contains at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Ca, Sr, and Ba.

### Claim 18 (depends on 15)

The dielectric composition of claim 15, wherein the fourth accessory ingredient contains Mg.

### Claim 19 (depends on 15)

The dielectric composition of claim 15, further comprising a fifth accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Mn, Cr, Fe, Mo, and Co in a content of 0.1 to 1.0 mole based on 100 moles of the base material powder.

### Claim 20 (depends on 15)

The dielectric composition of claim 15, further comprising a sixth accessory ingredient containing at least one of ions, oxides, carbides, and hydrates of at least one selected from the group consisting of Y, Sm, Eu, Dy, Ho, Er, and Yb in a content of 0.2 to 4.0 moles, based on 100 moles of the base material powder.