Patents and Patent Applications from Lehigh University


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US20120129688 LARGE-PORE PERIODIC MESOPOROUS QUARTZ  
Provided herein are methods of synthesizing large-pore periodic mesoporous quartz. Using the methods herein, large-pore periodic mesoporous quartz has been synthesized at a lower pressure and a...
US20120125194 AUTOTHERMAL CYCLE FOR CO2 CAPTURE  
Provided herein are methods and apparatus for capturing or otherwise decreasing the amount of CO2 in an exhaust stream. The separation process for removing CO2 from a waste stream preferably...
8183933 High-voltage impulse amplifier  
A circuit includes a first transistor in a common-collector configuration and a heterojunction bipolar transistor (HBT) in a common-emitter configuration. The first transistor has a base coupled to...
US20120094122 FABRICATION OF NANOPOROUS GLASS FIBER FOR FLEXIBLE BIOSCAFFOLDS AND OTHER PRODUCTS  
Provided herein are novel nanoporous glass fibers, and methods of preparing and using such fibers. In some embodiments, articles are made from particular glass starting materials, such as soda-lime...
US20120044959 TERAHERTZ SOURCE  
An optical system includes a first gain medium configured to be excited by an energy source and in response generate a first optical signal having first and second wavelengths. A Q-switch is...
US20120034286 STABILIZATION OF BIOSOLIDS USING IRON NANOPARTICLES  
This invention discloses a stabilized biosolids composition and a method for the stabilization of biosolids. It entails the use of a chemically and biologically reactive material, in the form of...
8076667 Efficient light extraction method and device  
A tight emitting device comprises at least one p-type layer and at least one n-type layer and a microlens array surface. A method for improving light efficiency of a light emitting device,...
8071642 Dimethyl amino ethyl ether psoralens and methods for their production and use  
Water-soluble dimethyl amino ethyl ether psoralens useful in the treatment of proliferative skin disorders, microbial infections and diseases, disorders of the blood and bone marrow of mammals and...
US20110259544 ENCAPSULATED PHASE CHANGE APPARATUS FOR THERMAL ENERGY STORAGE  
Provided are apparatus and methods for storing thermal energy. For example, an apparatus including comprising at least one phase change material, and a capsule containing the at least one phase...
US20110240082 THERMOELECTRIC MATERIALS BASED ON SINGLE CRYSTAL AlInN-GaN GROWN BY METALORGANIC VAPOR PHASE EPITAXY  
The invention is a thermoelectric device fabricated by growing a single crystal AlInN semiconductor material on a substrate, and a method of fabricating same. In a preferred embodiment, the...
8030641 Graded in content gallium nitride-based device and method  
A gallium nitride-based device has Å first GaN layer and Å type II quantum well active region over the GaN layer. The type II quantum well active region comprises at least one InGaN layer and at ...
US20110237676 SPERMICIDAL AND MICROBICIDAL COMPOSITIONS  
Provided herein are new spermicidal compositions that include one or more fluorous surfactants, e.g., non-ionic fluorous surfactants, anionic fluorous surfactants, cationic fluorous surfactants,...
US20110229957 POLYMER-MEDIATED ELECTROMAGNETIC FIELD-BASED PARTICLE CONCENTRATOR  
There remains an unmet need for methods to efficiently concentrate and isolate small particles, such as nano-sized and micron-sized particles. The methods herein provide means to fulfill this need...
8007626 Micro-fluidic interconnector  
A method of bonding a capillary tube made of a thermally deformable material to a passage in a glass wafer comprising the steps of treating the surface of the capillary tube to render the surface...
US20110204328 NITRIDE BASED DEVICES INCLUDING A SYMMETRICAL QUANTUM WELL ACTIVE LAYER HAVING A CENTRAL LOW BANDGAP DELTA-LAYER  
A symmetrical quantum well active layer provides enhanced internal quantum efficiency. The quantum well active layer includes an inner (central) layer and a pair of outer layers sandwiching the...
7986186 Adaptive bias technique for field effect transistor  
A power amplifier includes a LDMOS transistor having a source, a drain, a control gate and a shielding electrode positioned between the control gate and the drain, and means for adaptively biasing...
US20110155999 SEMICONDUCTOR LIGHT-EMITTING DEVICES HAVING CONCAVE MICROSTRUCTURES PROVIDING IMPROVED LIGHT EXTRACTION EFFICIENCY AND METHOD FOR PRODUCING SAME  
A conventional semiconductor LED is modified to include a microlenslayer over its light-emitting surface. The LED may have an active layer including at least one quantum well layer of InGaN and...
US20110147703 ABBREVIATED EPITAXIAL GROWTH MODE (AGM) METHOD FOR REDUCING COST AND IMPROVING QUALITY OF LEDs AND LASERS  
The use of an abbreviated GaN growth mode on nano-patterned AGOG sapphire substrates, which utilizes a process of using 15 nm low temperature GaN buffer and bypassing etch-back and recovery...
US20110147702 NITRIDE BASED QUANTUM WELL LIGHT-EMITTING DEVICES HAVING IMPROVED CURRENT INJECTION EFFICIENCY  
A III-nitride based device provides improved current injection efficiency by reducing thermionic carrier escape at high current density. The device includes a quantum well active layer and a pair...
US20110133157 SURFACE PLASMON DISPERSION ENGINEERING VIA DOUBLE-METALLIC AU/AG LAYERS FOR NITRIDE LIGHT-EMITTING DIODES  
A double-metallic deposition process is used whereby adjacent layers of different metals are deposited on a substrate. The surface plasmon frequency of a base layer of a first metal is tuned by the...
US20110100928 PREPARATION AND USE OF NANO SIZE PEROXIDE PARTICLES  
Nano-size particles of calcium dioxide and magnesium dioxide for remediation of contaminated water or soil and processes for preparing and using nano-size particles of calcium dioxide and magnesium...
US20110085166 OPTO-FLUIDIC NANOPARTICLE DETECTION APPARATUS  
Provided herein are new methods and apparatus for quantitative measurement and analysis of particles, including new apparatus systems to process and detect nanoparticles in suspension. By focusing...
US20110080589 VERTICAL PLASMONIC MACH-ZEHNDER INTERFEROMETER  
An optical device includes first and second optical branches. The first optical branch is formed at an interface between a first substrate and a second substrate, and the second optical branch is...
7919069 Rapid synthesis of titanate nanomaterials  
Provided herein is a hydrothermal process for the rapid synthesis of inorganic nanomaterials (e.g., nanofibers) containing sodium, bismuth, titanium, and oxygen, as well as new compositions made...
US20110065672 BISPHOSPHONATE-PROSTATIC ACID PHOSPHATASE INHIBITOR CONJUGATES TO TREAT PROSTATE CANCER BONE METASTASIS  
The present invention concerns conjugate compounds comprising a bisphosphonate covalently bonded to a prostatic acid phosphatase inhibitor and compositions comprising such conjugates. Methods for...
US20110060433 BILINEAR ALGORITHMS AND VLSI IMPLEMENTATIONS OF FORWARD AND INVERSE MDCT WITH APPLICATIONS TO MP3 AUDIO  
Provided herein are hardware efficient bilinear algorithms and methods to compute MDCT/IMDCT of 2̂n and 4.3̂n points. The algorithms and methods for composite lengths have practical applications i...
US20110059842 Tungstated Zirconia Nanocatalysts  
A new type of solid acid catalyst, which promises better catalytic performance than conventionally prepared supported metal oxides due to its precisely synthesized nanostructure has been described....
US20110057154 CONDUCTIVE DOPED METAL-GLASS COMPOSITIONS AND METHODS  
Provided herein are conductive glass-metal compositions, as well as methods of making and using such compositions. In one example, the compositions include gold (Au) doped lithium-borate glasses...
7892739 Systems, compositions and methods for nucleic acid detection  
The invention relates to stretch measurements of nucleic acids and correlating those measurements to the extent of double- and single-stranded content of a nucleic acid of interest, and to...
US20110006847 HIGH-VOLTAGE IMPULSE AMPLIFIER  
A circuit includes a first transistor in a common-collector configuration and a heterojunction bipolar transistor (HBT) in a common-emitter configuration. The first transistor has a base coupled to...
US20100327783 STAGGERED COMPOSITION QUANTUM WELL METHOD AND DEVICE  
A light emitting device comprising a staggered composition quantum well.
US20100300285 MINIATURE OXYGEN CONCENTRATORS AND METHODS  
Provided herein are new compact and miniature oxygen concentrator apparatus, as well as methods incorporating use of the apparatus. The apparatus and methods utilize selected cycle times, adsorbent...
7844352 Iterative matrix processor based implementation of real-time model predictive control  
A system for embedding real-time Model Predictive Control (MPC) in a System-on-a-Chip (SoC) devices is provided. In the system, a microprocessor is connected to an auxiliary unit or...
7842531 Gallium nitride-based device and method  
A gallium nitride-based device has a first GaN layer and a type II quantum well active region over the GaN layer. The type II quantum well active region comprises at least one InGaN layer and at...
US20100282675 SYSTEM AND METHOD FOR REVERSIBLE CATION-EXCHANGE DESALINATION  
Desalination is accomplished by subjecting feed saline water to a cation exchanger in magnesium form where sodium and scale-forming cations are at least partially exchanged for non-scale-forming...
7824641 Periodic mesoporous phosphorus-nitrogen compounds  
Provided herein is a new material, periodic mesoporous phosphorus-nitrogen compound, which may be used in a variety of emerging technologies. Its surface properties render it promising as a...
US20100192474 ULTRAHARD STISHOVITE NANOPARTICLES AND METHODS OF MANUFACTURE  
Compositions comprising nanoparticles (e.g., nanocrystals) of stishovite silica are described. Such nanoparticles may be made by (1) subjecting a mesoporous silica starting material (e.g., SBA-16...
US20100178704 RAPID SENSING OF TOXIC METALS WITH HYBRID INORGANIC MATERIALS  
Methods for rapid sensing of dissolved toxic heavy metals use a hybrid inorganic material (“HIM”), which is synthesized from hydrated iron oxide (“HFO”) and calcium magnesium silicate. HIM thus sy...
US20100144511 MICROPOROUS CERAMICS AND METHODS OF MANUFACTURE  
Inorganic microporous metal oxide materials, such as aluminum-based microporous ceramic materials, useful for loop heat pipes, insulators, thermal management devices, catalyst supports, substrates,...
US20100110525 ULTRA-WIDE BAND SLOW LIGHT STRUCTURE USING PLASMONIC GRADED GRATING STRUCTURES  
A slow light system includes a substrate and a metal layer formed thereon, the metal layer having a graded grating structure formed at a surface thereof, wherein the grating depth of the grating...
US20100085120 ADAPTIVE BIAS TECHNIQUE FOR FIELD EFFECT TRANSISTOR  
A power amplifier includes a LDMOS transistor having a source, a drain, a control gate and a shielding electrode positioned between the control gate and the drain, and means for adaptively biasing...
US20100015244 Nano/Macroporous Bioactive Glasses Made by Melt-Quench Methods  
The methods and materials described herein provide novel and simple procedures for the preparation of nano/macroporous glasses, in which the pore structure is characterized by interconnected pores...
US20100000454 BOAT SUSPENSION  
Boats and suspensions are provided, wherein the boat includes at least one hull, and at least one sponson, the at least one hull and at least one sponson connected by a shock-absorbing suspension...
US20090315013 EFFICIENT LIGHT EXTRACTION METHOD AND DEVICE  
A tight emitting device comprises at least one p-type layer and at least one n-type layer and a microlens array surface. A method for improving light efficiency of a light emitting device,...
7611637 Method for treating contaminated water  
Zero valent iron particles (14) having enhanced surface area are used to treat contaminated groundwater in-situ or above ground. Hollow and/or porous zero valent iron particles (14) having a...
7598238 Fluorescent fused-ring traizoles that inhibit cell proliferation and uses thereof  
Fused-ring triazole compounds which inhibit proliferation of cells and exhibit a unique and intense fluorescence are provided. Also provided are methods for synthesizing these compounds and methods...
US20090242116 MICRO-FLUIDIC INTERCONNECTOR  
A method of bonding a capillary tube made of a thermally deformable material to a passage in a glass wafer comprising the steps of treating the surface of the capillary tube to render the surface...
US20090211514 Single crystal conversion process  
A solid state method for converting polycrystalline alumina components to single crystal or sapphire. The single crystal conversion method includes sintering a pre-fired polycrystalline alumina...
US20090208773 GRADED TRANSITIONS FOR JOINING DISSIMILAR METALS AND METHODS OF FABRICATION THEREFOR  
A transition joint for joining dissimilar metals with the chemical composition of the joint varied in a controlled manner from end to end. The transition joint has a first end of having a chemical...
7563628 Fabrication of optical waveguide devices  
Disclosed is a method of fabricating an optical waveguide device including the steps of forming a mask over a waveguide core material layer so as to leave a portion of the layer exposed, and...
Matches 1 - 50 out of 155 1 2 3 4 >