Circle disks need be made of ceramic material, a half-shell shaped piezoelectric

• 1. 一种压电陶瓷材料及其制成的压电陶瓷振子 [P] . 中国专利： CN102815942A . 2012-12-12
• 2. 压电陶瓷材料及由其制成的压电陶瓷烧结体 [P] . 中国专利： CN1102554C . 2003.03.05
• 3. Circle a half-shell shaped or half circle a half-shell shaped, of a swing bridge best the direction of a bearing for cement clinker and german bulk material [P] . 德国专利： DE383056C . 1923-10-09

  机译： 最好将回转桥的半壳形或半壳形的半圈绕成水泥熟料和德国散装材料的轴承方向

• 4. Circle disks of a half-shell shaped filter element parallel folded, webs artigem filter material and method for the production thereof [P] . 德国专利： DE2807546B1 . 1979-08-16

  机译： 平行折叠的半壳形过滤器元件的圆盘，网状原形过滤器材料及其制造方法

• 5. Storage container for grained, berry a half-shell shaped, a half-shell shaped or powder perl a half-shell shaped bulk material, in particular coffee, tea, flour, spices od. The like. [P] . 德国专利： DE1868824U . 1963-03-14

  机译： 粒状，浆果半壳形，半壳形或粉状半壳形散装物料的储存容器，特别是咖啡，茶，面粉，香料od。类似。

• 1. PENNY-SHAPED CRACK IN TRANSVERSELY ISOTROPIC PIEZOELECTRIC MATERIALS [J] . 王子昆 力学学报：英文版 . 1994,第001期
• 2. DYNAMIC BEHAVIOR OF TWO UNEQUAL PARALLEL PERMEABLE INTERFACE CRACKS IN A PIEZOELECTRIC LAYER BONDED TO TWO HALF PIEZOELECTRIC MATERIALS PLANES [J] . SUN Jian-liang, ZHOU Zhen-gong, WANG Biao 应用数学和力学（英文版） . 2005,第002期
• 3. ON THE ELECTROELASTIC INTERACTION OF A PIEZOELECTRIC SCREW DISLOCATION WITH AN ELLIPTICAL INCLUSION IN PIEZOELECTRIC MATERIALS [J] . 刘金喜, 姜稚清, 冯文杰 应用数学和力学：英文版 . 2000,第011期
• 4. Piezoelectric ceramic disks with thickness-graded material properties [C] . Lee, P.C.Y., Yu, Frequency Control Symposium, 1997., Proceedings of the 1997 IEEE International . 1997
• 5. High performance piezoelectric materials and devices for multilayer low temperature co-fired ceramic based microfluidic systems [D] . Zhang, Wenli 2011
• 6. Optimization of Non-Uniform Deformation on Piezoelectric Circular Diaphragm Energy Harvester with a Ring-Shaped Ceramic Disk [O] . Chaoqun Xu, Yuanbo Li, Tongqing Yang 2020
• 7. (220-221)The Removal of Iron from Ceramic Raw Materials by Chlorine II The Impulsive Strength of the Shaped Raw Materials of Potteries after Treated with Chlorine [O] . Takamura Suzuki, Satoshi Tomizawa 1951

• 1. Investigation the Dimensional Ratio Effect on the Resonant Properties of Piezoelectric Ceramic Disk [J] . Vo Thanh Tung ,Nguyen Trong Tinh ,Truong Van Chuong . 现代物理（英文） . 2013,第12期
• 2. Comparative Study of Dielectric and Magnetic Properties of Selected 3D Reticulated Ceramics and Their Same Composition Ceramic Disks [J] . QingGONG ,ZhengFANG ,XiaomingCAO . 材料科学技术：英文版 . 2003,第2期
• 3. 压电陶瓷材料及压电器件的研究 [C] . 褚祥诚 ,王永春 ,李龙土 . 全国第三届超声波电机理论和应用技术研讨会 . 2005
• 4. 钛酸铜钙基高介电陶瓷材料和钛酸钡压电陶瓷材料的物性研究 [A] . 邵守福 . 2009