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US 10,943,733 B2Granted
Ceramic dielectric and method of manufacturing the same and ceramic electronic component and electronic device
AssigneeSamsung Electronics Co., Ltd.
InventorsHyeon Cheol Park, Chan Kwak, Kyoung-Seok Moon, Daejin Yang, Tae Won Jeong
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Abstract
A ceramic dielectric including: a bulk dielectric including barium (Ba) and titanium (Ti); a ceramic nanosheet; and a composite dielectric of the bulk dielectric and the ceramic nanosheet.
Claims26
A ceramic dielectric, comprising
- a bulk dielectric in the form of a grain with a three-dimensional structure, and comprising barium and titanium;
- a ceramic nanosheet;
- and
- a composite dielectric of the bulk dielectric and the ceramic nanosheet.
1 more element
A ceramic dielectric comprising:
- a plurality of grains of a ceramic dielectric;
- and
- a grain boundary between adjacent grains of the plurality of grains, wherein the grain boundary comprises a ceramic nanosheet, and at least one of the grains and the grain boundary comprises
- a composite ceramic comprising at least one of barium;
- titanium;
- calcium, sodium, tantalum, bismuth, and strontium, and
- at least one of tungsten, molybdenum, chromium, niobium, vanadium, zirconium, hafnium, lead, tin, and lanthanum.
4 more elements
A method of manufacturing a ceramic dielectric, the method comprising:
- heat-treating a metal precursor comprising a barium precursor and a titanium precursor to obtain a bulk dielectric;
- exfoliating a layered ceramic powder to prepare a ceramic nanosheet;
- coating the ceramic nanosheet on a surface of the bulk dielectric;
- and
- sintering the bulk dielectric coated with the ceramic nanosheet to manufacture the ceramic dielectric, the ceramic dielectric comprising a composite dielectric of the bulk dielectric and the ceramic nanosheet.
2 more elements
Dependencies are inferred from the claim text.