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    • 2. 发明专利
    • Piezoelectric actuator and driving device
    • 压电致动器和驱动装置
    • JP2005168137A
    • 2005-06-23
    • JP2003401926
    • 2003-12-01
    • Kumamoto Technology:KkTaiheiyo Cement Corp太平洋セメント株式会社有限会社熊本テクノロジー
    • WATANABE MASAYUKIMIYATA NOBORUKOSAKA KOJI
    • H01L41/083H01L41/187H01L41/22H01L41/27H02N2/00
    • PROBLEM TO BE SOLVED: To provide a piezoelectric actuator capable of enhancing a resonant frequency of primary deflective oscillation, and to provide a driving device using the same. SOLUTION: The piezoelectric actuator is provided with an expansion/contraction displacement part, in which a first piezoelectric substance and a first plane electrode are alternately laminated and the first piezoelectric substance is polarized in a first direction vertical to the surface of the first plane electrode, and a shear displacement part, which is connected to the expansion/contraction displacement part in the first direction and in which a second piezoelectric substance and a second plane electrode are alternately laminated and the second piezoelectric substance is polarized in a second direction parallel to the second plane electrode. The length of the piezoelectric actuator in the first direction is made as L 1 mm and that of in the second direction as L 2 mm. When constants derived on the basis of the length and resonant frequency of the actual measurement regarding a rectangular piezoelectric actuator made of the same material as the piezoelectric actuator are made as a, b, and c, L 1 and L 2 satisfy the relational expression of 40 1 b × L 2 c . COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够提高初级偏转振荡的谐振频率的压电致动器,并提供使用该压电致动器的驱动装置。 解决方案:压电致动器设置有膨胀/收缩位移部分,其中第一压电物质和第一平面电极交替层叠,并且第一压电物质在垂直于第一压电材料的表面的第一方向上被极化 平面电极和剪切位移部分,其在第一方向上连接到膨胀/收缩位移部分,并且其中第二压电材料和第二平面电极交替层叠,并且第二压电材料沿第二方向平行地极化 到第二平面电极。 第一方向的压电致动器的长度为L 1 mm,第二方向的长度为L 2 mm。 当基于由与压电致动器相同的材料构成的矩形压电致动器的实际测量的长度和谐振频率导出的常数被制成a,b和c,L 1 和 L 2 满足关系表达式40 1 b ×L 2 / SP>。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Bonded silicon carbide body and method for producing the same
    • 粘结碳化硅体及其制造方法
    • JP2010024122A
    • 2010-02-04
    • JP2008191039
    • 2008-07-24
    • Nihon Ceratec Co LtdTaiheiyo Cement Corp太平洋セメント株式会社株式会社日本セラテック
    • UMETSU MOTOHIROMIYATA NOBORUSHIOGAI TATSUYASATO RYOTA
    • C04B37/00
    • PROBLEM TO BE SOLVED: To provide a method for bonding silicon carbide sintered compacts to each other, which is used for obtaining a bonded silicon carbide body, in which body the silicon carbide sintered compacts are hardly shifted positionally from each other after bonded to each other, which body is high in bonding strength and airtightness and the hollow part of which body is made to have excellent dimensional precision even when the bonded silicon carbide body has the hollow part. SOLUTION: The bonded silicon carbide body is produced by bonding the first silicon carbide sintered compact 11 to the second silicon carbide sintered compact 12 while interposing a joint layer 14, which consists of metallic silicon, between them. The first silicon carbide sintered compact 11 includes a joint surface 11a on which a metallic silicon layer 13 is formed. The second silicon carbide sintered compact includes a joint surface 12a to be abutted on the metallic silicon layer. The joint surfaces of the first and second silicon carbide sintered compacts have each ≤0.6 μm surface roughness and are bonded to each other while interposing the joint layer 14, which is formed by heat-treating a metallic silicon layer, between them. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种用于获得粘结碳化硅体的碳化硅烧结体的接合方法,其中碳化硅烧结体在接合后几乎不能彼此位移地移位 即使粘结碳化硅本体具有中空部,即使是本体的接合强度和气密性高,并且使其体的中空部具有优异的尺寸精度。 解决方案:通过将第一碳化硅烧结体11粘合到第二碳化硅烧结体12上,同时在它们之间插入由金属硅构成的接合层14而制造粘结碳化硅体。 第一碳化硅烧结体11包括形成有金属硅层13的接合面11a。 第二碳化硅烧结体包括与金属硅层抵接的接合面12a。 第一和第二碳化硅烧结体的接合表面各自具有≤0.6μm的表面粗糙度,并且通过在它们之间插入通过热处理金属硅层形成的接合层14而彼此接合。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Electrostatic chuck and manufacturing method thereof
    • 静电切割及其制造方法
    • JP2008244149A
    • 2008-10-09
    • JP2007082595
    • 2007-03-27
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • OGURA TOMOYUKIMIYATA NOBORU
    • H01L21/683
    • PROBLEM TO BE SOLVED: To provide an electrostatic chuck that forms a comb-tooth shape precisely by solving the problem wherein a flame spraying method using a masking tool causes a burr in an electrode and warpage and deviation in the masking tool, and attracts and fixes an insulating glass substrate at relatively low temperature with sufficient attraction force. SOLUTION: The electrostatic chuck has an insulator layer 2 on a base material, a bipolar interdigital electrode 3 on the insulator layer 2, and a dielectric layer 4 covering the bipolar interdigital electrode 3. The bipolar interdigital electrode 3 has a tapered splay shape 3b. The insulator layer existing at least between the bipolar interdigital electrodes, where no electrodes are formed, has a recessed shape 2a. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种通过解决使用掩模工具的火焰喷涂方法在电极中引起毛刺并且翘曲和掩蔽工具中的偏差的问题,精确地形成梳齿形状的静电卡盘,以及 以足够的吸引力在相对低的温度下吸引并固定绝缘玻璃基板。 解决方案:静电卡盘在基材上具有绝缘体层2,绝缘体层2上的双极交叉指状电极3和覆盖双极交叉指型电极3的电介质层4.双极交叉指状电极3具有锥形喷射 形状3b。 至少存在于不形成电极的双极性交叉指状电极之间的绝缘体层具有凹形2a。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Power generating device and system
    • 发电装置和系统
    • JP2005237156A
    • 2005-09-02
    • JP2004045557
    • 2004-02-23
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • AIZAWA TAKEMIMIYATA NOBORUKUMAMOTO KENJI
    • F03G7/08H01L41/113H02N2/00
    • PROBLEM TO BE SOLVED: To provide a power generating device and a power generating system that generate medium-scale and large-scale electric power. SOLUTION: This power generating device 1 comprises an inner ring 11 on which a plurality of unimorph elements 21 are fixed radially; an outer ring 12 that surrounds the inner ring 11; a shaft 13 and a rotating device 14 that rotate the inner ring 11; protruding portions 29 provided on the inner circumferential surface of the outer ring 12 so as to be brought into contact with the tips of the elements 21, and when the inner ring 11 is rotated so as to cause the elements 21 to generate flex displacement; a bridge circuit 30 that rectifies a pulse current generated by piezoelectric effect when the unimorph elements 21 are flex displaced; and an outputting mechanism 15 that outputs electric power collected through the bridge circuit 30 to an external load like a secondary battery. The number of protruding portions 29 and that of unimorph elements 21 are relatively prime. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种产生中等规模和大规模电力的发电装置和发电系统。 解决方案:该发电装置1包括内环11,多个单压电元件21径向固定在该内环11上; 围绕内环11的外圈12; 轴13和使内圈11旋转的旋转装置14; 突出部29设置在外圈12的内周面上,以与元件21的前端接触,并且当内圈11旋转以致元件21产生挠曲位移时; 桥式电路30,其对单压电元件21的挠曲位移时的压电效应产生的脉冲电流进行整流; 以及输出机构15,其将通过桥接电路30收集的电力输出到诸如二次电池的外部负载。 突出部分29的数量和单像素元件21的数量是相对的。 版权所有(C)2005,JPO&NCIPI