Flexible dielectric material comprising biaxially oriented polytetrafluoroethylene reinforcement layer

In one aspect, a circuit material includes a multilayer stack comprising alternating layers of reinforcement layers and fluoropolymer layers; wherein the fluoropolymer layer comprises a fluoropolymer other than biaxially oriented polytetrafluoroethylene; wherein the reinforcement layer comprises a biaxially oriented polytetrafluoroethylene; and wherein the conductive layer is in direct physical contact with the outer surface of the multilayer stack. In another aspect, an article includes the circuit material. In yet another aspect, a method of making the circuit material includes laminating a multilayer stack and a conductive layer to form a circuit material; or laminating a layered stack comprising alternating layers of fluoropolymer layers and reinforcement layers and conductive layers to form the circuit material. 在一个方面中，电路材料包括多层堆叠体，所述多层堆叠体包括增强层和含氟聚合物层的交替层；其中含氟聚合物层包含除双轴取向的聚四氟乙烯之外的含氟聚合物；其中增强层包含双轴取向的聚四氟乙烯；以及其中导电层直接物理接触多层堆叠体的外表面。在另一个方面中，制品包括所述电路材料。在又一个方面中，制备所述电路材料的方法包括将多层堆叠体和导电层层合以形成电路材料；或者将包括含氟聚合物层和增强层的交替层以及