热释电材料

  • 网络pyroelectric material
热释电材料热释电材料
  1. 电光、热释电材料KTa(1-x)NbxO3的制备、性能及应用

    Preparation , Properties and Applications of Electrooptic and Pyroelectric Material KTa_ ( 1-x ) Nb_xO_3

  2. 从响应度、噪声等效温差NETD以及归一化探测度三个方面的因素分析了制造研究探测源应注意的问题,并且讨论了怎样选取合适的热释电材料。

    From responsibility , NETD and normalized detect degree , the issues paid attention on in the fabrication is analyzed and the way how to choose the proper pyroelectric material is given .

  3. 天然热释电材料电气石的微结构及对水的pH值影响机理的研究

    Study on the microstructure of natural tourmaline and mechanism of its influence on pH value of water

  4. TiO2聚合物基体杂化热释电材料的制备与性能研究

    Preparation and properties of TiO_2 hybrid pyroelectric materials

  5. PbSc(0.5)Ta(0.5)O3热释电材料及其红外探测器列阵

    PbSc_ ( 0.5 ) Ta_ ( 0.5 ) O_3 pyroelectric materials and their application in pyroelectric detector arrays

  6. 首次采用居里温度较低的(Ba,Sr)TiO3纳米粉体,制备了不同体积比的BST/PVDF0-3型复合热释电材料。

    Adopting the ( Ba , Sr ) TiO3 ceramic powder with lower curie temperature and the polymer PVDF , the 0-3 type BST / PVDF composites was fabricated for the first time , and their dielectric and pyroelectric properties were studied .

  7. PLCT热释电材料陶瓷凝胶注模成型是把无毒性陶瓷成型工艺与PLCT热释电材料相结合的一种新型陶瓷成型工艺,关于这方面工作国内报道甚少。

    Gel-casting is a novel forming process of PLCT pyroelectric material combining innoxious gel-casting with PLCT pyroelectric material , and there is few report about this aspect in china .

  8. 热释电材料居里点的自动测量装置

    An Apparatus for the Curie Temperature Measurement of Pyroelectric Materials

  9. 热释电材料电性能自动测量系统的设计

    Design of Auto-measurement System for Electrical Properties of Pyroelectric Materials

  10. 本文介绍几种典型的热释电材料及器件结构的改进;

    This paper presents some typical pyroelectric materials and improvement of device structure .

  11. 红外热释电材料的研究进展

    Progress of Researching on Thermoelectrical Material in Infrared

  12. 热释电材料在吸收红外辐射后其温度会发生变化,从而产生极化。

    Pyroelectric material can bring polarization with the variable temperature caused by infrared radiation .

  13. 介绍了电光、热释电材料KTa_(1-x)Nb_xO_3单晶、陶瓷、薄膜的制备方法,以及所制备材料的性能和应用。

    Preparation , properties and applications of electrooptic and pyroelectric material KTa_ ( 1-x ) Nb_xO_3 are introduced systematically In single crystal , ceramic and film .

  14. 其二为动态电流法,采用调制热源技术,研究在特定温度条件下热释电材料的动态热释电响应。

    The second one adopting the heat modulation technology is used for studying the dynamic pyroelectric response of pyroelectric materials in specific temperature conditions ( 4 refs )

  15. 从热释电材料的选择及器件的结构设计等方面阐述了热释电薄膜红外探测器的制备技术和研究动向,并归纳了器件的主要应用领域。

    It summarizes the domestic and abroad research results and developing tendency from the aspects of material selection , device structure and preparation process , and sums up the main applications of the devices .

  16. 实验首次发现,微波烧结获得的细晶粒陶瓷的介电损耗远小于传统工艺制备的样品,这一特性对于制备低噪声、高探测率的热释电材料具有重要的应用价值。

    It was discovered for the first time that the microwave sintering samples have lower dielectric loss comparing with conventional sintering samples , the result is significant for preparing the higher Signal-to-Noise pyroelectric sensor .

  17. 最后利用复合热释电材料的制备温度低(约100℃)的优势,探讨并制备了基于聚酰亚胺柔性基板的复合热释电膜阵列,研制了一种新型的非制冷红外探测器结构。

    Finally , a new type of uncooled infrared detectors with polyimide substrate as the thermal isolation structure was prepared . The arrays were made by pyroelectric composite materials which have a low preparation temperature .

  18. 利用系统测得热释电材料样品的热释电系数峰值为1.98×10-7C/(cm2.℃),符合有关文献的报道,表明测试系统的性能良好。

    The pyroelectric coefficient of a pyroelectric material sample was measured by the system , and the peak value was 1.98 × 10-7C / ( cm2 ·℃) . This result accords with the relevant literature very well . It shows that the test system has good performance .

  19. 并介绍了精细T/P热释电复合材料薄膜制成的红外线传感器。

    And design infrared detector made up with Fine T / P composite .

  20. 本文介绍了精细T/P热释电复合材料的研制,物性参数的测量和应用上必须注意的问题。

    This paper studies the preparation , measurement and application of Fine T / P composite .

  21. 铁电材料是主要的热释电探测材料,利用铁电材料制备的热释电探测器具有高阻抗、低损耗的特征,可以按照电流模式、电压模式或者电荷模式工作。

    As major pyroelectric materials , ferroelectrics show the characteristics of high impedance and low dielectric loss . Pyroelectric detectors made of ferroelectric materials can be operated in the current , voltage and electric charge modes .

  22. 锆钛酸铅镧(Pb1-xLax(Zr1-yTiy)1-x/4O3)铁电材料是一种具有优越铁电、介电、压电和热释电性能的材料,在微电子领域有着广泛的应用前景。

    Ferroelectric Pb_ ( 1-x ) La_x ( Zr_ ( 1-y ) Ti_y ) _ ( 1-x / 4 ) O_3 thim films have excellent ferroelectric , dielectric , piezoelectricity and pyroelectricity properties , and a promising application prospect in the field of micro-electronics .

  23. 设计了一个热释电系数测试系统,用它来评价热释电材料的性能。

    A test system of pyroelectric coefficient was designed to evaluate the performance of pyroelectric materials .

  24. 由热机电耦合微分方程出发,用富里叶级数展开方法,探讨了含有热释电材料铺层的复合材料层合板的柱形弯曲问题。

    Department of Modern Mechanics , Based on thermo electro elastic coupled differential equations , composite laminates with anisotropic piezo thermo elastic layers under cylindrical bending are analyzed via Fourier series method .

  25. 介绍了热释电效应及热释电薄膜红外探测器的工作模式,特别是探测器单元对热释电薄膜的材料与低温生长要求。

    The pyroelectric effect and the operating modes of infrared detectors using ferroelectric thin films are described .