Inkjet printing of thick-film capacitors based on organic-inorganic composites

基于第一个项目中陶瓷/聚合物复合油墨系统的成功开发，将在后续项目中研究优化介电性能和电容的不同方法。因此，较大的陶瓷颗粒将用于油墨，以确定复合材料的介电常数的影响。除了提高复合材料的介电常数外，在后续的项目中，印刷电容器的电容应该通过更薄的层和多层布局来增加。为了实现这些方法，将使用表面改性的陶瓷颗粒。通过用可交联端基改性陶瓷颗粒，沉积后的交联反应是可能的。改性陶瓷颗粒，交联有机分子和自由基引发剂对固化行为的影响将首先在印刷过程中进行检查。然后基于这些结果，将制备可印刷油墨并检查干燥行为。将这种创新方法应用于喷墨印刷工艺，最终将能够生产更薄的层以及制造印刷多层电容器。

Based on the successful development of a ceramic/polymer composite ink system within the first project, different approaches to optimize the dielectric properties and the capacitance will be investigated in a follow-up project. Therefore, larger ceramic particles will be used for the inks to determine the effects in the permittivity of the composite. In addition to increasing the permittivity of the composite, the capacitance of printed capacitors should be increased by thinner layers and multilayer layouts in the follow-up project. For the realization of those approaches surface-modified ceramic particles will be used. By modifying the ceramic particles with crosslinkable end groups a crosslinking reaction after the deposition is possible. The influence of modified ceramic particles, cross-linkable organic molecules and free radical initiators on the curing behavior will be examined offside of the printing process first. Then based on these results, printable inks will be prepared and the drying behavior examined. The implementation of this innovative approach to the inkjet printing process should finally enable both the production of thinner layers as well as the fabrication of printed multilayer capacitors.