Abstract: A method is for making an electronic device that includes a multilayer circuit board having a non-planar three-dimensional shape defining a membrane switch recess therein. The multilayer circuit board may include at least one liquid crystal polymer (LCP) layer, and at least one electrically conductive pattern layer thereon defining at least one membrane switch electrode adjacent the membrane switch recess to define a membrane switch. The electronic may further include a compressible dielectric material filling the membrane switch recess. The electronic device may also include at least one spring member within the membrane switch recess.

Abstract: A method for making an optical fiber device may include using a three-dimensional (3D) printer to generate a preform body including an optical material. The preform body may have a 3D pattern of voids therein defining a 3D lattice. The method may further include drawing the preform body to form the optical fiber device.

Abstract: A satellite includes a satellite housing, a temperature sensitive component carried by the satellite housing, and a thermal radiator carried by the satellite housing. A thermal switch is movable between a coupled state and a decoupled state. In the coupled state, the temperature sensitive component and the thermal radiator are thermally coupled. In the decoupled state, the temperature sensitive component and the thermal radiator are thermally decoupled.

Abstract: Methods and systems are provided that provide a portable, cryptographic hardware-software device allowing balancing of the needed heightened security while maintaining the modified communication device's original features and value. The system comprises a single chip comprising a self-contained security boundary and cryptographic processing, and is enabled to quickly and easily connect to and modify an existing, commercial, off the shelf mobile communication device. The systems may be enabled to modify the existing device by being contained in hardware, for example the battery of a smart phone. Then, the system may be connected to the existing device's interface, for example via a “micro-USB” or other suitable connection, and subsequently provide cryptographic functionality to the existing device.

Abstract: A system for testing an optical surface, the system comprising a non-coherent light source, a detector, a test plate positioned between the non-coherent light source and the optical surface, the test plate separated from the optical surface by a gap, and a processor. The processer is configured to cause the non-coherent light source to illuminate the test plate and optical surface with non-coherent light, control the detector to capture an interferogram produced by interference between light reflected from the test plate and light reflected from the optical surface, and perform quantitative analysis on the interferogram to characterize aberrations in the optical surface.

Abstract: A wireless engine monitoring system for an aircraft engine includes a housing and wireless transceiver that receives engine data, including engine data relating to environmental engine emissions. A processor processes the engine data and generates an alarm report when the environmental engine emissions exceed a threshold.

Abstract: A wireless engine monitoring system for an aircraft engine includes a housing and wireless transceiver that receives engine data, including engine data relating to environmental engine emissions. A processor processes the engine data and generates an alarm report when the environmental engine emissions exceed a threshold.

Abstract: A seismic modeling system is provided which may include a seismic model data storage device, and a processor cooperating with the seismic model data storage device to identify an obstruction within a seismic model spatial domain data set having a lateral boundary, and define a suspect area including spatial domain data within the lateral boundary and directly below the obstruction. The processor may further inpaint the suspect area in the seismic model spatial domain data set based upon an exemplar inpainting algorithm.

Abstract: An antenna assembly may be positioned within a wellbore in a subterranean formation. The antenna assembly includes a tubular antenna element to be positioned within the wellbore, and an RF coaxial transmission line to be positioned within the tubular antenna element. The RF coaxial transmission line includes a series of coaxial sections coupled together in end-to-end relation, each coaxial section including an inner conductor, an outer conductor surrounding the inner conductor, and a dielectric therebetween. Each of the outer conductors has opposing threaded ends defining overlapping mechanical threaded joints with adjacent outer conductors.

Abstract: A space deployable antenna apparatus includes an inflatable antenna configurable between a deflated storage position and an inflated deployed position. The inflatable antenna includes collapsible tubular elements coupled together in fluid communication. The collapsible tubular elements in the deployed position include a longitudinally extending boom tubular element, at least one driven tubular conductive element transverse to the boom tubular element, at least one reflector tubular conductive element transverse to the boom tubular element, and at least one director tubular conductive element transverse to the boom tubular element. A foam dispenser is configured to inject a solidifiable foam into the inflatable antenna to configure to the inflated deployed position.

Abstract: A phase change cell includes a housing enclosing a phase change chamber that holds a phase change material and a gas pocket. The housing includes a side wall extending between first and second end walls. A capillary is disposed in an interior surface of the side wall. In response to heating of the phase change cell, the capillary is configured to draw the phase change material in a liquid phase towards the periphery of the phase change chamber. A temperature sensor is coupled to the housing in a vicinity of the capillary to measure the phase change temperature. According to another aspect, the housing includes a moveable surface that bounds a portion of the phase change chamber. The phase change temperature of the phase change material changes based on the position of the moveable wall.

Abstract: Materials comprising metamaterials exhibiting form-induced birefringence and anisotropic optical properties are provided. The disclosed articles comprise structures with critical dimensions which are on the order of or smaller than the wavelength for the gigahertz and terahertz spectral range. Methods of preparing same using stereolithography are disclosed. In a further aspect, the disclosed methods pertain to spectroscopic ellipsometry methods comprising a biaxial (orthorhombic) layer homogenization approach is to analyze the terahertz ellipsometric data obtained at three different sample azimuth orientations. The disclosed articles and methods demonstrate provide an avenue to fabricate metamaterials for the terahertz spectral range and allows tailoring of the polarizability and anisotropy of the host material. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Method for SEL mitigation involves determining one or more base sets of signature vector components for each of a plurality of signal loading conditions experienced by a protected device in an operating state, each set of base signature vector components together comprising a base signature vector. The method further involves monitoring signature vector components for the protected device to determine a detected signature vector which is comprised of a set of detected signature vector components. The detected signature vector is compared to a dynamically selected base signature vector which is associated with the device state and signal loading condition which are currently active to differentiate between the occurrence of standard current surges associated with normal operation of the protected device and a non-standard current surge.

Abstract: A system is for processing seismic data for a geologic formation generated by an array of acoustic transducers responsive to an acoustic source. The system may include a seismic data storage device, and a processor cooperating with the seismic data storage device to generate correlations of data from the array of acoustic transducers based upon a current estimate for at least one of density and velocity of the geologic formation, and perform a linear optimization based upon a plurality of different combinations of the correlations to determine a given subset of correlations having a highest objective function associated therewith. The processor may also update the current estimate for at least one of density and velocity of the geologic formation based upon the given subset of correlations.

Abstract: A satellite includes a satellite housing, a temperature sensitive component carried by the satellite housing, and a thermal radiator carried by the satellite housing. A thermal switch is movable between a coupled state and a decoupled state. In the coupled state, the temperature sensitive component and the thermal radiator are thermally coupled. In the decoupled state, the temperature sensitive component and the thermal radiator are thermally decoupled.

Abstract: A method is for making an electronic device including forming a multilayer circuit board having a non-planar three-dimensional shape defining a membrane switch recess therein, the multilayer circuit board including at least one liquid crystal polymer (LCP) layer, and at least one electrically conductive pattern layer thereon defining at least one membrane switch electrode adjacent the membrane switch recess to define a membrane switch. The method also includes filling the membrane switch recess with air, and positioning at least one biasing member in the membrane switch recess.

Abstract: An electronic device may include a housing, a first printed circuit board (PCB) carried by the housing and radio frequency (RF) circuitry on the PCB, and an RF filter module carried by the PCB. The RF filter module may include a second PCB carried by the first PCB, a plurality of first coaxial resonators arranged in side-by-side relation on the second PCB, and at least one second coaxial resonator stacked on the plurality of first coaxial resonators, and interconnect circuitry coupling the plurality of first coaxial resonators and the at least one second coaxial resonator to the second PCB.

Abstract: A method is for heating a petroleum ore and may include providing a mixture of about 10% to about 99% by volume of the petroleum ore and about 1% to about 50% by volume of a composition. The composition may have isoimpedance magnetodielectric material susceptor particles. The isoimpedance magnetodielectric material susceptor particles may have an electrical conductivity greater than 1×107 S/m at 20° C. The method may include applying RF energy to the mixture at a power and frequency sufficient to heat the isoimpedance magnetodielectric material susceptor particles, and continuing to apply the RF energy for a sufficient time to allow the isoimpedance magnetodielectric material susceptor particles to heat the mixture to an average temperature greater than about 212° F. (100° C.

Abstract: A system may include a laser source configured to generate a first laser light beam, an atom trap, and a multi-channel acousto-optic modulator (AOM). The multi-channel AOM may include a beamsplitter to split the first laser light beam into a plurality of second laser light beams for the atom trap, a common acousto-optic medium configured to receive the plurality of second laser light beams, and a respective plurality of electrodes coupled to the common acousto-optic medium for each of the second laser light beams. The system may also include a plurality of radio frequency (RF) drivers each configured to generate respective RF drive signals for each of the plurality of electrodes.

Abstract: Systems and methods for tailoring fluid and energy interaction through surface texturing. The methods comprise: receiving behavior input data specifying known or modeled interactions between a material and pre-solved solution surfaces, discrete input data specifying parameters of a surface to be textured, and continuous input data specifying ranges of values for environmental characteristics that the surface is to be subjected to during use; transforming the behavior input data into a composite response surface comprising a weighted combination of the pre-solved solution surfaces generated based on the discrete input data and the continuous input data; determining an optimized surface texture for the surface based on the composite response surface and desired behavior data specifying a desired interaction between the material and the surface to be textured; and outputting the optimized surface texture (e.g., to a surface texturing machine) so that the optimized surface texture is applied to the surface.