A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DIELECTRIC COMPOSITION, DIELECTRIC ELEMENT, AND CAPACITOR
To provide a dielectric composition having heat resistance and a high relative dielectric constant.SOLUTION: A dielectric composition according to the present invention includes: a main phase containing an alkali niobate perovskite type oxide; and a subphase of an M-Ti-O spinel compound (element M is a monovalent to tetravalent element). The main phase is represented by a composition formula of (1-x)(KaNabLicCad)(NbeTif)O3-xBaZrO3; where a to x satisfy the following equation: 0.28≤a≤0.54; 0.41≤b≤0.66; 0.01≤c≤0.02; 0.01≤d≤0.06; 0.96≤e≤0.99; 0.01≤f≤0.04; and 0.035≤x≤0.080.SELECTED DRAWING: None
【課題】本開示は、耐熱性と、高い比誘電率を有する誘電体組成物を提供することを目的とする。【解決手段】ニオブ酸アルカリ系ペロブスカイト型酸化物を含む主相と、Ｍ－Ｔｉ－Ｏ系スピネル化合物（元素Ｍは１価から４価の元素）の副相と、を含み、前記主相は、（１－ｘ）（ＫａＮａｂＬｉｃＣａｄ）（ＮｂｅＴｉｆ）Ｏ３－ｘＢａＺｒＯ３の組成式で表され、０．２８≦ａ≦０．５４、０．４１≦ｂ≦０．６６、０．０１≦ｃ≦０．０２、０．０１≦ｄ≦０．０６、０．９６≦ｅ≦０．９９、０．０１≦ｆ≦０．０４、及び０．０３５≦ｘ≦０．０８０を満たす、誘電体組成物。【選択図】なし
DIELECTRIC COMPOSITION, DIELECTRIC ELEMENT, AND CAPACITOR
To provide a dielectric composition having heat resistance and a high relative dielectric constant.SOLUTION: A dielectric composition according to the present invention includes: a main phase containing an alkali niobate perovskite type oxide; and a subphase of an M-Ti-O spinel compound (element M is a monovalent to tetravalent element). The main phase is represented by a composition formula of (1-x)(KaNabLicCad)(NbeTif)O3-xBaZrO3; where a to x satisfy the following equation: 0.28≤a≤0.54; 0.41≤b≤0.66; 0.01≤c≤0.02; 0.01≤d≤0.06; 0.96≤e≤0.99; 0.01≤f≤0.04; and 0.035≤x≤0.080.SELECTED DRAWING: None
【課題】本開示は、耐熱性と、高い比誘電率を有する誘電体組成物を提供することを目的とする。【解決手段】ニオブ酸アルカリ系ペロブスカイト型酸化物を含む主相と、Ｍ－Ｔｉ－Ｏ系スピネル化合物（元素Ｍは１価から４価の元素）の副相と、を含み、前記主相は、（１－ｘ）（ＫａＮａｂＬｉｃＣａｄ）（ＮｂｅＴｉｆ）Ｏ３－ｘＢａＺｒＯ３の組成式で表され、０．２８≦ａ≦０．５４、０．４１≦ｂ≦０．６６、０．０１≦ｃ≦０．０２、０．０１≦ｄ≦０．０６、０．９６≦ｅ≦０．９９、０．０１≦ｆ≦０．０４、及び０．０３５≦ｘ≦０．０８０を満たす、誘電体組成物。【選択図】なし
DIELECTRIC COMPOSITION, DIELECTRIC ELEMENT, AND CAPACITOR
誘電体組成物、誘電体素子、及び、コンデンサ
HIROSE YOSHIYUKI (author) / MATSUOKA YOSHIYUKI (author) / YAMADA TSUGUTO (author) / KITAMURA KAZUAKI (author) / KIMURA KENJI (author) / KURAHASHI TOSHIAKI (author) / KASASHIMA TAKASHI (author) / KIMURA AKIYA (author) / KOZUKA HISASHI (author) / YAMAZAKI MASATO (author)
2024-05-14
Patent
Electronic Resource
Japanese
DIELECTRIC COMPOSITION, DIELECTRIC CERAMIC AND CAPACITOR
| European Patent Office | 2017