In accordance with one or more embodiments, a method includes injection molding of a dielectric material in a pre-distorted antenna mold; and curing the dielectric material. The pre-distorted dielectric mold has a shape that compensates for shape distortion of the dielectric material during the curing.

In a preferred embodiment, there is provided a method for preparing a capacitive pressure sensor, the sensor comprising a pair of conductive plate layers and a dielectric layer disposed therebetween, the dielectric layer comprising a dielectric polymer formed with a polymerization mixture fluid, wherein the method comprises placing the polymerization mixture fluid over a mold surface having a first three dimensional pattern thereon to form the dielectric polymer, thereby forming a second three dimensional pattern on a surface of the dielectric polymer complementary to the first three dimensional pattern.

A composite film having a high dielectric permittivity engineered particles dispersed in a high breakdown strength polymer material to achieve high energy density.

The disclosure concerns thermoplastic resin compositions including a polymer resin, a dielectric glass fiber component, a hollow glass fiber, and an impact modifier.

In accordance with one or more embodiments, a method includes injection molding of a dielectric material in a pre-distorted antenna mold; and curing the dielectric material. The pre-distorted dielectric mold has a shape that compensates for shape distortion of the dielectric material during the curing.

A multilayer polymer dielectric film includes a stack of coextruded, alternating first dielectric layers and second dielectric layers that receive electrical charge. The first dielectric layers include a first polymer material and the second dielectric layers include a second polymer material different from the first polymer material. The first polymer material has a permittivity greater than the second polymer material. The second polymer material has a breakdown strength greater than the first polymer material. Adjoining first dielectric layers and second dielectric layers define an interface between the layers that delocalizes electrical charge build-up in the layers. The stack has substantially the crystallographic symmetry before and during receiving electrical charge.

A method of enhancing surface electrical conductivity of an article formed of a conductive polymer material, such as a conductive polymer film, includes the step of providing an article formed of a conductive polymer. The conductive polymer is made up of a dielectric polymeric material and conductive fibers. A desired pressure is applied to at least a portion of the article while simultaneously heating at least a portion of the article to a desired temperature. The desired pressure and the desired temperature are maintained on at least a portion of the article for a desired time period. This method reduces a polymer-rich skin layer on the surface of the conductive polymer material and helps to randomize the orientation of the conductive fibers on the surface.

A method for molding amorphous polyether ether ketone including steps of preparing a molten mass including polyether ether ketone, cooling a mold assembly to a temperature of at most about 200 F., and injecting the molten mass into the cooled mold assembly.

A three-dimensional electronic, biological, chemical, thermal management, or electromechanical apparatus and method of configuring such an apparatus. In an example embodiment, an apparatus can include a substrate and one or more layers of a three-dimensional structure configured on and/or from the substrate. The three-dimensional structure includes one or more internal cavities configured by an extrusion-based additive manufacturing system enhanced with a range of secondary embedding processes. The three-dimensional structure can be configured with one or more structural integrated metal objects spanning one or more of the internal cavities of the three-dimensional structure for enhanced electromagnetic properties.

[Problem] To provide a wholly aromatic liquid crystalline polyester resin having an excellent heat resistance and processability while having an extremely low dielectric tangent

[Solving means] A wholly aromatic liquid crystalline polyester resin according to the present invention comprises, structural unit (I) derived from p-hydroxybenzoic acid, structural unit (II) derived from 6-hydroxy-2-naphthoic acid, structural unit (III) derived from an aromatic diol compound, structural unit (IV) derived from an aromatic dicarboxylic acid, wherein the composition ratio (mol %) of said structural units (I) to (IV) satisfies the following conditions: 2 mol %structural unit (I)9 mol % 40 mol %structural unit (II)75 mol % 9 mol %structural unit (III)24 mol % 9 mol %structural unit (IV) 24 mol %.