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US 11,387,021 B2Granted
Ceramic member and electronic device
AssigneeMurata Manufacturing Co., Ltd.
InventorKohei Fukamachi
Life of this patent
Estimating the term…
Abstract
A ceramic member includes a perovskite compound including La, Ca, Mn, and Ti as main components, wherein the amount of Ti is about 5 parts by mole or more and about 20 parts by mole or less, the amount of Ca is about 10 parts by mole or more and about 27 parts by mole or less, and the total amount of La and Ca is about 85 parts by mole or more and about 97 parts by mole or less based on the total amount of Mn and Ti of 100 parts by mole.
Claims17
A thermistor device comprising:
- an element body including a ceramic member and electrodes;
- wherein
- the ceramic member includes a perovskite compound including La, Ca, Mn, and Ti as main components;
- and
- an amount of Ti is about 5 parts by mole or more and about 20 parts by mole or less, an amount of Ca is about 10 parts by mole or more and about 27 parts by mole or less, and a total amount of La and Ca is about 85 parts by mole or more and about 97 parts by mole or less based on a total amount of Mn and Ti of 100 parts by mole.
2 more elements
An electronic device comprising:
- an element body including a ceramic member and two main surfaces;
- and
- electrodes each disposed on one of the two main surfaces of the element body;
- wherein
- the ceramic member includes a perovskite compound including La, Ca, Mn, and Ti as main components;
- and
- an amount of Ti is about 5 parts by mole or more and about 20 parts by mole or less, an amount of Ca is about 10 parts by mole or more and about 27 parts by mole or less, and a total amount of La and Ca is about 85 parts by mole or more and about 97 parts by mole or less based on a total amount of Mn and Ti of 100 parts by mole.
4 more elements
An electronic device comprising:
- an element body including a ceramic member;
- an external electrode disposed on an outer surface of the element body;
- and
- an internal electrode disposed inside the element body and electrically connected to the external electrode;
- wherein
- the ceramic member includes a perovskite compound including La, Ca, Mn, and Ti as main components;
- and
- an amount of Ti is about 5 parts by mole or more and about 20 parts by mole or less, an amount of Ca is about 10 parts by mole or more and about 27 parts by mole or less, and a total amount of La and Ca is about 85 parts by mole or more and about 97 parts by mole or less based on a total amount of Mn and Ti of 100 parts by mole.
5 more elements
Dependencies are inferred from the claim text.