A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
LAMINATED PIEZOELECTRIC CERAMIC AND MANUFACTURING METHOD THEREOF, LAMINATED PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC VIBRATING DEVICE
To provide a laminated piezoelectric element having a long life, in which a piezoelectric ceramic layer does not contain lead as a constituent element and a content ratio of silver in an internal electrode layer is high.SOLUTION: The present invention provides a laminated piezoelectric ceramic in which the piezoelectric ceramic layer does not contain lead as a constituent element and the main component comprises a perovskite-type compound represented by a composition formula LixNayK1-x-yNbO3 (where, 0.02
【課題】圧電セラミックス層が構成元素として鉛を含まず、内部電極層中の銀の含有割合が高く、長寿命の積層型圧電素子を提供する。【解決手段】圧電セラミックス層の主成分を、構成元素として鉛を含まず、組成式ＬｉｘＮａｙＫ１−ｘ−ｙＮｂＯ３（ただし、０．０２＜ｘ≦０．１、０．０２＜ｘ＋ｙ≦１）で表されるペロブスカイト型化合物とし、前記内部電極層を、銀を８０質量％以上含む金属で構成するとともに、セラミックスからなる共材粒子を含有するものとした積層型圧電セラミックスとする。【選択図】図１
LAMINATED PIEZOELECTRIC CERAMIC AND MANUFACTURING METHOD THEREOF, LAMINATED PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC VIBRATING DEVICE
To provide a laminated piezoelectric element having a long life, in which a piezoelectric ceramic layer does not contain lead as a constituent element and a content ratio of silver in an internal electrode layer is high.SOLUTION: The present invention provides a laminated piezoelectric ceramic in which the piezoelectric ceramic layer does not contain lead as a constituent element and the main component comprises a perovskite-type compound represented by a composition formula LixNayK1-x-yNbO3 (where, 0.02
【課題】圧電セラミックス層が構成元素として鉛を含まず、内部電極層中の銀の含有割合が高く、長寿命の積層型圧電素子を提供する。【解決手段】圧電セラミックス層の主成分を、構成元素として鉛を含まず、組成式ＬｉｘＮａｙＫ１−ｘ−ｙＮｂＯ３（ただし、０．０２＜ｘ≦０．１、０．０２＜ｘ＋ｙ≦１）で表されるペロブスカイト型化合物とし、前記内部電極層を、銀を８０質量％以上含む金属で構成するとともに、セラミックスからなる共材粒子を含有するものとした積層型圧電セラミックスとする。【選択図】図１
LAMINATED PIEZOELECTRIC CERAMIC AND MANUFACTURING METHOD THEREOF, LAMINATED PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC VIBRATING DEVICE
積層型圧電セラミックス及びその製造方法、積層型圧電素子並びに圧電振動装置
WATANABE TAKEMOTO (author) / SHIMIZU HIROYUKI (author) / KISHIMOTO SUMIAKI (author)
2020-09-17
Patent
Electronic Resource
Japanese
| European Patent Office | 2017
| European Patent Office | 2024