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1. 发明申请

US20110012051A1 PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC COMPOSITION 审中-公开
标题翻译：压电/电致腐蚀陶瓷组合物
公开(公告)号：US20110012051A1
公开(公告)日：2011-01-20
申请号：US12832304
申请日：2010-07-08
申请人： Kazuyuki KAIGAWA , Ritsu TANAKA
发明人： Kazuyuki KAIGAWA , Ritsu TANAKA
IPC分类号： H01L41/187
CPC分类号： H01L41/187
摘要： To provide an alkaline-niobate-based piezoelectric/electrostrictive ceramic composition that has excellent electric field induced strain during application of high electric field. A piezoelectric/electrostrictive film is a sintered body of a piezoelectric/electrostrictive ceramic composition. The piezoelectric/electrostrictive ceramic composition is a piezoelectric/electrostrictive composition, in which a compound of at least one kind of element selected from the group consisting of Ba, Sr, Ca, La, Ce, Nd, Sm, Dy, Ho and Yb and a Mn compound are contained in a perovskite-type oxide containing Li, Na and K as A-site elements and Nb and Sb as B-site elements, where a ratio of a total number of atoms of the A-site elements to a total number of atoms of the B-site elements is more than one and the number of atoms of Sb to the total number of atoms of the B-site elements is 1 mol % or more and 10 mol % or less.
摘要翻译：提供在施加高电场期间具有优异的电场诱导应变的碱铌酸盐基压电/电致伸缩陶瓷组合物。压电/电致伸缩膜是压电/电致伸缩陶瓷组合物的烧结体。压电/电致伸缩陶瓷组合物是压电/电致伸缩组合物，其中选自Ba，Sr，Ca，La，Ce，Nd，Sm，Dy，Ho和Yb中的至少一种元素的化合物和含有Li，Na和K作为A位元素的钙钛矿型氧化物中含有Mn化合物，Nb和Sb作为B位元素，其中A位元素的总原子数与总共的 B位元素的原子数大于1，Sb原子数相对于B位元素的原子总数为1摩尔％以上且10摩尔％以下。

2. 发明申请

US20100022381A1 METHOD OF MANUFACTURING PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC COMPOSITION 有权
标题翻译：制造压电陶瓷组合物的方法
公开(公告)号：US20100022381A1
公开(公告)日：2010-01-28
申请号：US12507199
申请日：2009-07-22
申请人： Ritsu TANAKA , Hirofumi YAMAGUCHI
发明人： Ritsu TANAKA , Hirofumi YAMAGUCHI
IPC分类号： C04B35/495
CPC分类号： H01L41/43 , C01G35/006 , C01G45/006 , C01P2002/34 , C01P2004/82 , C04B35/495 , C04B35/62685 , C04B2235/3201 , C04B2235/3203 , C04B2235/3262 , C04B2235/3267 , C04B2235/3294 , C04B2235/3298 , C04B2235/449 , C04B2235/768 , H01L41/0973 , H01L41/1873 , H01L41/273
摘要： A (Li, Na, K)(Nb, Ta)O3-based piezoelectric/electrostrictive ceramic composition having large electric field-induced distortion at the time of application of a high electric field is provided. A perovskite oxide is synthesized which contains Li (lithium), Na (sodium) and K (potassium) as A-site elements and contains at least Nb (niobium) and Sb (antimony) out of Nb, Ta (tantalum) and Sb as B-site elements, the ratio of the total number of atoms of the A-site elements to the total number of atoms of the B-site elements being larger than 1, and then a Bi (bismuth) compound is added and reacted. The amount of addition of the Bi compound with respect to 100 molar parts of the perovskite oxide is preferably not less than 0.02 molar part nor more than 0.1 molar part in terms of Bi atoms.
摘要翻译：提供了在施加高电场时具有大的电场诱导失真的（Li，Na，K）（Nb，Ta）O 3系压电/电致伸缩陶瓷组合物。合成了包含Li（锂），Na（钠）和K（钾）作为A位元素并且至少含Nb，铌（钽）和Sb中的锑（锑）作为 B位元素，A位元素的原子总数与B位元素的总原子数大于1的比例，然后添加Bi（铋）化合物并进行反应。相对于100摩尔份的钙钛矿氧化物，Bi化合物的添加量优选为Bi原子计为0.02摩尔以上0.1摩尔以下。

3. 发明申请

US20110234044A1 PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC, MANUFACTURING METHOD FOR PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC, PIEZOELECTRIC/ ELECTROSTRICTIVE ELEMENT, AND MANUFACTURING METHOD FOR PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT 审中-公开
标题翻译：压电陶瓷，压电/电绝缘陶瓷的制造方法，压电/电绝缘元件和压电元件的制造方法
公开(公告)号：US20110234044A1
公开(公告)日：2011-09-29
申请号：US12951305
申请日：2010-11-22
申请人： Yuji NOGUCHI , Masaru MIYAYAMA , Toshikatsu KASHIWAYA , Takaaki KOIZUMI , Shuichi OZAWA , Ritsu TANAKA
发明人： Yuji NOGUCHI , Masaru MIYAYAMA , Toshikatsu KASHIWAYA , Takaaki KOIZUMI , Shuichi OZAWA , Ritsu TANAKA
IPC分类号： H01L41/04 , H01L41/187 , H01L41/22
CPC分类号： H01L41/1873 , H01L41/1878 , H01L41/43 , Y10T29/42
摘要： Provided is a piezoelectric/electrostrictive ceramic which produces large electric-field induced strain without performing an aging treatment for a long period of time. A piezoelectric/electrostrictive ceramic sintered body in which the ratio of the number of ions at A sites to the number of ions at B sites in a perovskite structure is at least 0.94 to at most 0.99 is subjected to an oxygen heat treatment at a temperature of 600 to 1050° C. for 2 to 100 hours under an atmosphere with an oxygen partial pressure of 0.05 to 1.0 atm.
摘要翻译：提供一种压电/电致伸缩陶瓷，其在长时间不进行老化处理的情况下产生大的电场诱发应变。一种压电/电致伸缩陶瓷烧结体，其中A位置处的离子数与钙钛矿结构中的B位处的离子数之比至少为0.94至至多0.99，经受氧热处理，温度为在氧分压为0.05〜1.0atm的气氛下，在600〜1050℃下加热2〜100小时。

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