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| Number | Title | Issue Date |
| 8137802 | Multilayer ultra-high-temperature ceramic coatings A coated carbon-carbon composite material with multiple ceramic layers to provide oxidation protection from ultra-high-temperatures, where if the carbon-carbon composite material is uninhibited with B4C particles, then the first layer on the composite mat... | 03/20/2012 |
| 8094023 | Phononic crystal devices Phononic crystals that have the ability to modify and control the thermal black body phonon distribution and the phonon component of heat transport in a solid. In particular, the thermal conductivity and heat capacity can be modified by altering the phonon density o... | 01/10/2012 |
| 8092595 | Self-assembly of water-soluble nanocrystals A method for forming an ordered array of nanocrystals where a hydrophobic precursor solution with a hydrophobic core material in an organic solvent is added to a solution of a surfactant in water, followed by removal of a least a portion of the organic solvent to fo... | 01/10/2012 |
| 8082663 | Method for hermetic electrical connections A method of providing a hermetic, electrical connection between two electrical components by mating at least one metal pin in a glass-ceramic to metal seal connector to two electrical components, wherein the glass-ceramic to metal seal connector incorporates at leas... | 12/27/2011 |
| 8071164 | Method for lubricating contacting surfaces A method is provided for tribological lubrication of sliding contact surfaces, where two surfaces are in contact and in motion relative to each other, operating in a vapor-phase environment containing at least one alcohol compound at a concentration sufficiently hig... | 12/06/2011 |
| 8003730 | Process for epoxy foam production An epoxy resin mixture with at least one epoxy resin of between approximately 60 wt % and 90 wt %, a maleic anhydride of between approximately 1 wt % and approximately 30 wt %, and an imidazole catalyst of less than approximately 2 wt % where the resin mixture is fo... | 08/23/2011 |
| 7955945 | Weak-link capacitor A process for making a dielectric material where a precursor polymer selected from poly(phenylene vinylene) polyacetylene, poly(p-phenylene), poly(thienylene vinylene), poly(1,4-naphthylene vinylene), and poly(p-pyridine vinylene) is energized said by exposure by ra... | 06/07/2011 |
| 7942568 | Active micromixer using surface acoustic wave streaming An active micromixer uses a surface acoustic wave, preferably a Rayleigh wave, propagating on a piezoelectric substrate to induce acoustic streaming in a fluid in a microfluidic channel. The surface acoustic wave can be generated by applying an RF excitation signal ... | 05/17/2011 |
| 7928375 | Microfabricated linear Paul-Straubel ion trap An array of microfabricated linear Paul-Straubel ion traps can be used for mass spectrometric applications. Each ion trap comprises two parallel inner RF electrodes and two parallel outer DC control electrodes symmetric about a central trap axis and suspended over a... | 04/19/2011 |
| 7840626 | Methods for spectral image analysis by exploiting spatial simplicity Several full-spectrum imaging techniques have been introduced in recent years that promise to provide rapid and comprehensive chemical characterization of complex samples. One of the remaining obstacles to adopting these techniques for routine use is the difficulty ... | 11/23/2010 |
| 7838823 | Ion mobility spectrometer with virtual aperture grid An ion mobility spectrometer does not require a physical aperture grid to prevent premature ion detector response. The last electrodes adjacent to the ion collector (typically the last four or five) have an electrode pitch that is less than the width of the ion swar... | 11/23/2010 |
| 7836566 | Microfabricated bulk wave acoustic bandgap device A microfabricated bulk wave acoustic bandgap device comprises a periodic two-dimensional array of scatterers embedded within the matrix material membrane, wherein the scatterer material has a density and/or elastic constant that is different than the matrix material... | 11/23/2010 |
| 7820365 | Method to fabricate a tilted logpile photonic crystal A method to fabricate a tilted logpile photonic crystal requires only two lithographic exposures and does not require mask repositioning between exposures. The mask and photoresist-coated substrate are spaced a fixed and constant distance apart using a spacer and th... | 10/26/2010 |
| 7799280 | Tortuous path chemical preconcentrator A non-planar, tortuous path chemical preconcentrator has a high internal surface area having a heatable sorptive coating that can be used to selectively collect and concentrate one or more chemical species of interest from a fluid stream that can be rapidly released... | 09/21/2010 |
| 7744737 | Microfluidic device for the assembly and transport of microparticles A microfluidic device comprising independently addressable arrays of interdigitated electrodes can be used to assembly and transport large-scale microparticle structures. The device and method uses collective phenomena in a negatively polarized suspension exposed to... | 06/29/2010 |
| 7733198 | Microfabricated bulk wave acoustic bandgap device A microfabricated bulk wave acoustic bandgap device comprises a periodic two-dimensional array of scatterers embedded within the matrix material membrane, wherein the scatterer material has a density and/or elastic constant that is different than the matrix material... | 06/08/2010 |
| 7725517 | Methods for spectral image analysis by exploiting spatial simplicity Several full-spectrum imaging techniques have been introduced in recent years that promise to provide rapid and comprehensive chemical characterization of complex samples. One of the remaining obstacles to adopting these techniques for routine use is the difficulty ... | 05/25/2010 |
| 7713395 | Dielectrophoretic columnar focusing device A dielectrophoretic columnar focusing device uses interdigitated microelectrodes to provide a spatially non-uniform electric field in a fluid that generates a dipole within particles in the fluid. The electric field causes the particles to either be attracted to or ... | 05/11/2010 |
| 7708943 | Microfabricated fuel heating value monitoring device A microfabricated fuel heating value monitoring device comprises a microfabricated gas chromatography column in combination with a catalytic microcalorimeter. The microcalorimeter can comprise a reference thermal conductivity sensor to provide diagnostics and surety... | 05/04/2010 |
| 7697134 | Correlation spectrometer A correlation spectrometer can detect a large number of gaseous compounds, or chemical species, with a species-specific mask wheel. In this mode, the spectrometer is optimized for the direct measurement of individual target compounds. Additionally, the spectrometer ... | 04/13/2010 |
| 7685864 | Modular manifold for integrated fluidics and electronics An airtight preconcentrator housing and/or a sensor housing for chemical testing, the housing(s) comprising internal dimensions such that a pre-manufactured preconcentrator and/or sensor can be disposed therein. The housings can also comprise electrical contacts dis... | 03/30/2010 |
| 7679297 | Petawatt pulsed-power accelerator A petawatt pulsed-power accelerator can be driven by various types of electrical-pulse generators, including conventional Marx generators and linear-transformer drivers. The pulsed-power accelerator can be configured to drive an electrical load from one- or two-side... | 03/16/2010 |
| 7667833 | Alignment method for parabolic trough solar concentrators A Theoretical Overlay Photographic (TOP) alignment method uses the overlay of a theoretical projected image of a perfectly aligned concentrator on a photographic image of the concentrator to align the mirror facets of a parabolic trough solar concentrator. The align... | 02/23/2010 |
| 7625469 | Nanoelectrode array for electrochemical analysis A nanoelectrode array comprises a plurality of nanoelectrodes wherein the geometric dimensions of the electrode controls the electrochemical response, and the current density is independent of time. By combining a massive array of nanoelectrodes in parallel, the cur... | 12/01/2009 |
| 7597819 | Redox buffered hydrofluoric acid etchant for the reduction of galvanic attack during release etching of MEMS devices having noble material films Etchant solutions comprising a redox buffer can be used during the release etch step to reduce damage to the structural layers of a MEMS device that has noble material films. A preferred redox buffer comprises a soluble thiophosphoric acid, ester, or salt that maint... | 10/06/2009 |
| 7550734 | Integrated heterodyne terahertz transceiver A heterodyne terahertz transceiver comprises a quantum cascade laser that is integrated on-chip with a Schottky diode mixer. An antenna connected to the Schottky diode receives a terahertz signal. The quantum cascade laser couples terahertz local oscillator power to... | 06/23/2009 |
| 7550071 | Electrochemical assembly of organic molecules by the reduction of iodonium salts Methods are described for the electrochemical assembly of organic molecules on silicon, or other conducting or semiconducting substrates, using iodonium salt precursors. Iodonium molecules do not assemble on conducting surfaces without a negative bias. Accordingly, ... | 06/23/2009 |
| 7542624 | Window-based method for approximating the Hausdorff in three-dimensional range imagery One approach to pattern recognition is to use a template from a database of objects and match it to a probe image containing the unknown. Accordingly, the Hausdorff distance can be used to measure the similarity of two sets of points. In particular, the Hausdorff ca... | 06/02/2009 |
| 7491944 | Method to analyze remotely sensed spectral data A fast and rigorous multivariate curve resolution (MCR) algorithm is applied to remotely sensed spectral data. The algorithm is applicable in the solar-reflective spectral region, comprising the visible to the shortwave infrared (ranging from approximately 0.4 to 2.... | 02/17/2009 |
| 7472153 | Method for exploiting bias in factor analysis using constrained alternating least squares algorithms Bias plays an important role in factor analysis and is often implicitly made use of, for example, to constrain solutions to factors that conform to physical reality. However, when components are collinear, a large range of solutions may exist that satisfy the basic ... | 12/30/2008 |
| 7451173 | Fast combinatorial algorithm for the solution of linearly constrained least squares problems A fast combinatorial algorithm can significantly reduce the computational burden when solving general equality and inequality constrained least squares problems with large numbers of observation vectors. The combinatorial algorithm provides a mathematically rigorous... | 11/11/2008 |
| 7422724 | Biological preconcentrator A biological preconcentrator comprises a stimulus-responsive active film on a stimulus-producing microfabricated platform. The active film can comprise a thermally switchable polymer film that can be used to selectively absorb and desorb proteins from a protein mixt... | 09/09/2008 |
| 7420225 | Direct detector for terahertz radiation A direct detector for terahertz radiation comprises a grating-gated field-effect transistor with one or more quantum wells that provide a two-dimensional electron gas in the channel region. The grating gate can be a split-grating gate having at least one finger that... | 09/02/2008 |
| 7417222 | Correlation ion mobility spectroscopy Correlation ion mobility spectrometry (CIMS) uses gating modulation and correlation signal processing to improve IMS instrument performance. Closely spaced ion peaks can be resolved by adding discriminating codes to the gate and matched filtering for the received io... | 08/26/2008 |
| 7399449 | Microfabricated diffusion source A microfabricated diffusion source to provide for a controlled diffusion rate of a vapor comprises a porous reservoir formed in a substrate that can be filled with a liquid, a headspace cavity for evaporation of the vapor therein, a diffusion channel to provide a co... | 07/15/2008 |
| 7400772 | Spatial compression algorithm for the analysis of very large multivariate images A method for spatially compressing data sets enables the efficient analysis of very large multivariate images. The spatial compression algorithms use a wavelet transformation to map an image into a compressed image containing a smaller number of pixels that retain t... | 07/15/2008 |
| 7376507 | Geophysics-based method of locating a stationary earth object A geophysics-based method for determining the position of a stationary earth object uses the periodic changes in the gravity vector of the earth caused by the sun- and moon-orbits. Because the local gravity field is highly irregular over a global scale, a model of l... | 05/20/2008 |
| 7376403 | Terahertz radiation mixer A terahertz radiation mixer comprises a heterodyned field-effect transistor (FET) having a high electron mobility heterostructure that provides a gatable two-dimensional electron gas in the channel region of the FET. The mixer can operate in either a broadband pinch... | 05/20/2008 |
| 7375332 | Laser-based irradiation apparatus and method to measure the functional dose-rate response of semiconductor devices A broad-beam laser irradiation apparatus can measure the parametric or functional response of a semiconductor device to exposure to dose-rate equivalent infrared laser light. Comparisons of dose-rate response from before, during, and after accelerated aging of a dev... | 05/20/2008 |
| 7335972 | Heterogeneously integrated microsystem-on-a-chip A microsystem-on-a-chip comprises a bottom wafer of normal thickness and a series of thinned wafers can be stacked on the bottom wafer, glued and electrically interconnected. The interconnection layer comprises a compliant dielectric material, an interconnect struct... | 02/26/2008 |
