Patent • #US9194805B2. Apparatuses and methods for in situ detection of a trace amount of an analyte are disclosed herein. In a general embodiment, the present disclosure provides a surface-enhanced Raman spectroscopy (SERS) insert including a passageway therethrough, where the passageway has a SERS surface positioned therein. The SERS surface is configured...
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Tracking heat flux sensors for concentrating solar applications
Patent • #US8459865B1. Innovative tracking heat flux sensors located at or near the solar collector's focus for centering the concentrated image on a receiver assembly. With flux sensors mounted near a receiver's aperture, the flux gradient near the focus of a dish or trough collector can be used to precisely position the...
Tracking moving radar targets with parallel, velocity-tuned filters
Patent • #US8427359B1. Radar data associated with radar illumination of a movable target is processed to monitor motion of the target. A plurality of filter operations are performed in parallel on the radar data so that each filter operation produces target image information. The filter operations are defined to have respectively corresponding...
Trajectory analysis with geometric features
Patent • #US10345106B1. Described herein are various technologies pertaining to extracting one or more features from trajectory data recorded during motion of a body, and further, generating a n-dimensional feature vector based upon the one or more extracted features. The n-dimensional feature vector enables expedited analysis of the trajectory data from which...
Trajectory prediction via a feature vector approach
Patent • #US10801841B1. Described herein are various technologies pertaining to extracting one or more features from trajectory data recorded during motion of a body, and further, generating a n-dimensional feature vector based upon the one or more extracted features. The n-dimensional feature vector enables expedited analysis of the trajectory data from which...
Trajectory-based triggering system for hyperspectral imaging flow cytometer
Patent • #US10180398B2. A hyperspectral imaging flow cytometer can acquire high-resolution hyperspectral images of particles, such as biological cells, flowing through a microfluidic system. A trajectory-based triggering system can be used that will only trigger the acquisition of a hyperspectral image when an appropriate particle or cell is crossing an imaging line,...
Transistor with curvilinear gate configuration for improved thermal distribution
Patent • #US12310082B1. There is provided a transistor apparatus of the kind in which a gate electrode includes one or more gate fingers that extend laterally across a device area. At least one gate finger is not rectilinear, but instead describes two or more meanders about an average path across the device...
Transparent application-layer/os deeper packet inspector
Patent • #US11677668B1. A computer-implemented method of deep packet inspection (DPI) in a network is provided. The method comprises collecting data packets comprising a number of traffic flows from a number of devices via a number of traffic taps and classifying each traffic flow according to data about network protocol layers of...
Transparent contacts for stacked compound photovoltaic cells
Patent • #US9508881B2. A microsystems-enabled multi-junction photovoltaic (MEM-PV) cell includes a first photovoltaic cell having a first junction, the first photovoltaic cell including a first semiconductor material employed to form the first junction, the first semiconductor material having a first bandgap. The MEM-PV cell also includes a second photovoltaic cell comprising a...
Trapped ion platform with optical input and output
Patent • #US11150609B1. In disclosed apparatus, a plurality of optical waveguides monolithically integrated on a surface ion trap substrate deliver light to the trapping sites. Electrical routing traces defined in one or more metallization levels deliver electrical signals to electrodes of the surface electrode ion trap. A plurality of photodetectors are integrated...
Trimming method for microresonators and microresonators made thereby
Patent • #US10148244B1. A micromechanical resonator is disclosed. The resonator includes a resonant micromechanical element. A film of annealable material deposited on a facial surface of the element. In one instance, the resonance of the element can be adjusting by using a feedback loop to control annealing of the deposited film.
Trojan Horse Project: Biorefinery in a Plant
Featured Opportunity • Sandia researchers have developed a technology that could potentially turn agricultural waste, weeds, and other plant products that are typically discarded or destroyed into fuel. The idea is to create a consolidated biorefinery process inside plant cells. Thisresearch seeks to embed into the plant cells synthetic genetic circuits constructed using...
Tubular wave power device
Patent • #US12129820B1. A tubular wave energy converter configured to remain afloat near the surface of a wave field and trap a water column oscillating asymmetrically to the wave field in which the converter is located. Water column oscillations create a pressure flux providing motive power for a generator. The converter, generator...
TufFoam
Featured Opportunity • Rigid Polyurethane Foam Absorbs Energy, Worker Safe, and Environment Friendly TufFoam is a toluene diisocyanate (TDI)-free, CFC-free water-blown, closed-cell, rigid polyurethane foam available in densities from 2 to 40 pounds per cubic foot. Initially formulated as an electronics encapsulant to mitigate the effects of harsh mechanical environments, TufFoam can also...
Tunable coherent light filter for optical sensing and imaging
Patent • #US11371887B2. Systems and methods are provided for filtering coherent infrared light from a thermal background for protection of infrared (IR) imaging arrays and detection systems. A Michelson interferometer is used for coherent light filtering. In an implementation, a system includes a fixed mirror, a beam splitter, and a moving mirror...
Tunable Fracture Toughness in Composite Laminate
Featured Opportunity • A process to prevent delamination failure and increase the long-term safety and performance of composite structures while reducing costs and adverse impacts. Toughened interleaves encourage crack jumping between plies, ultimately raising the structure’s toughness and arresting interply-delamination crack growth Delamination is a common failure in laminate composite structures. Delamination between...
Tunable graphene-based infrared reflectance filter having patterned nanoantenna layer and unpatterned graphene layer
Patent • #US10877194B2. An actively tunable optical filter can control the amplitude of reflected infrared light. The filter exploits the dependence of the excitation energy of plasmons in a continuous and unpatterned sheet of graphene, on the Fermi-level, which can be controlled by conventional electrostatic gating. An exemplary filter enables simultaneous modification...
Tunable infrared pixels having unpatterned graphene layer and conductive metasurface
Patent • #US11482560B2. A monolithically integrated, tunable infrared pixel comprises a combined broadband detector and graphene-enabled tunable metasurface filter that operate as a single solid-state device with no moving parts. Functionally, tunability results from the plasmonic properties of graphene that are acutely dependent upon the carrier concentration within the infrared. Voltage induced...
Tunable infrared reflectance by phonon modulation
Patent • #US9909233B1. The present invention pertains to the use of mobile coherent interfaces in a ferroelectric material to interact with optical phonons and, ultimately, to affect the material's optical properties. In altering the optical phonon properties, the optical properties of the ferroelectric material in the spectral range near-to the phonon mode...
Tunable ionic electronic transistor
Patent • #US10429343B1. Various technologies pertaining to a transistor having a variable-conductance channel with a non-volatile tunable conductance are described herein. The transistor comprises source and drain electrodes separated by a conducting channel layer. The conducting channel layer is separated from an electrochemical gate (ECG) layer by an electrolyte layer that prevents...
Tunable metal-organic framework compositions and methods thereof
Patent • #US11007516B1. The present invention relates to a metal-organic framework composition, as well as constructs and methods thereof. In one particular example, the composition provides a platform having an emission signal in the deep red to near-infrared (NIR) region.
Tunable negative coefficient thermal expansion materials and composites
Patent • #US11840459B1. The present disclosure is directed to variable composition ceramics. Zr(2−x)Hf(x)WP2O12 and Hf2WP2O12 exhibit large negative thermal expansion that is linear over a large temperature range up to at least 900° C., These new ceramic material particles may be mixed with polymers to make a composite suitable for use in...
Tunable photoluminescent metal-organic-frameworks and method of making the same
Patent • #US9741945B1. The present disclosure is directed to new photoluminescent metal-organic frameworks (MOFs). The newly developed MOFs include either non rare earth element (REE) transition metal atoms or limited concentrations of REE atoms, including: Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Ru, Ag, Cd, Sn, Sb,...
Tunable rare earth metal-organic frameworks for complex optical tags
Patent • #US12410197B2. The invention provides a powerful design strategy towards next-generation, multiplexed, lifetime-encoded tags via engineering intermetallic energy transfer in heterometallic metal-organic frameworks based on nonanuclear metal clusters. Precise manipulation of the luminescence decay dynamics over a wide microsecond regime can be achieved owing to the control over metal ordering in...
Tunable surface plasmon devices
Patent • #US8009356B1. A tunable extraordinary optical transmission (EOT) device wherein the tunability derives from controlled variation of the dielectric constant of a semiconducting material (semiconductor) in evanescent-field contact with a metallic array of sub-wavelength apertures. The surface plasmon resonance wavelength can be changed by changing the dielectric constant of the dielectric...
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