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    • 6. 发明专利
    • Piezoelectric element
    • 压电元件
    • JP2006190720A
    • 2006-07-20
    • JP2004382102
    • 2004-12-28
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • AKIYAMA MORIHITOTAWARA TATSUONOMA HIROAKISHOBU KAZUHISAUENO NAOHIROKISHI KAZUJI
    • H01L41/08H01L41/18H01L41/187H01L41/22
    • PROBLEM TO BE SOLVED: To provide a piezoelectric element which can be used by feeling easy even at the temperature of 500°C or higher with the application of an oxidation insulating film with high reliability and the improvement of the short circuiting preventing performance of the piezoelectric element. SOLUTION: In the piezoelectric element in which a piezoelectric material layer 3 and an electrode layer 4 are formed on a conductive substrate 1; an insulating layer 2 is formed by the chemical reaction of at least one component element for constituting a board material on the top surface of the conductive substrate 1 with an atmosphere gas, and the electrode layer 4 is formed so that the insulting layer 2 and the piezoelectric material layer 3 may be put between the conductive substrates 1. Moreover, in the insulating layer 2, an oxide film with a thickness of 0.1 μm-1 μm is applicable, and, also, a nitride film can also be used. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供即使在500℃以上的温度下也可以容易地使用的压电元件,通过施加高可靠性的氧化绝缘膜和提高防短路性能 的压电元件。 解决方案:在导电基板1上形成压电体层3和电极层4的压电元件中, 在导电性基板1的上表面的至少一个构成基板材料的元件与气氛气体的化学反应形成绝缘层2,并且形成电极层4,使得绝缘层2和 压电材料层3可以放置在导电基板1之间。此外,在绝缘层2中,可以应用厚度为0.1μm-1μm的氧化物膜,并且也可以使用氮化物膜。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Hardness sensor and hardness measurement method using it
    • 硬度传感器和硬度测量方法
    • JP2003075316A
    • 2003-03-12
    • JP2001264730
    • 2001-08-31
    • Kyushu Keisokuki KkNational Institute Of Advanced Industrial & Technology九州計測器株式会社独立行政法人産業技術総合研究所
    • AKIYAMA MORIHITOUENO NAOHIRONONAKA KAZUHIROTATEYAMA HIROSHIISHIDA MASAMIAZUMA SHINYA
    • G01N3/40
    • PROBLEM TO BE SOLVED: To provide a hardness sensor having a simple operation principle, capable of measuring hardness of various substances and usable for broad application and to provide a hardness measurement method using it.
      SOLUTION: This hardness sensor is composed of: a vibration generation part comprising a member for receiving a dropped tested object through an insulation layer and for generating vibration by impact and two electrodes connected to it; a vibration detection part for detecting the frequency of the mechanical vibration generated in the vibration generation part as an electric variable; and conductors for forming an electric circuit between the vibration generation part and the vibration detection part through the electrodes. The tested object is dropped on the member for generating the vibration by impact through the insulation layer, the frequency of the mechanical vibration generated in the member is detected as an electric signal by an electric variable detection meter through the two electrodes connected to the member for generating the vibration by the impact, and thus the hardness of the object is measured.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种具有简单操作原理的能够测量各种物质的硬度并可广泛应用的硬度传感器,并提供使用它的硬度测量方法。 解决方案:该硬度传感器由以下部件组成:振动产生部件,包括用于通过绝缘层接收被落下的测试对象并通过冲击产生振动的部件和与其连接的两个电极; 振动检测部,用于检测在振动产生部中产生的机械振动的频率作为电变量; 以及用于通过电极在振动发生部和振动检测部之间形成电路的导体。 被测物体落在构件上,用于通过穿过绝缘层的冲击而产生振动,通过电动可变检测仪通过连接到构件的构件的两个电极将构件中产生的机械振动的频率检测为电信号, 通过冲击产生振动,从而测量物体的硬度。