Hu, MI
Austin Hu, Bloomfield, MI US
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20100088029 | Systems and methods for connecting and operating portable GPS enabled devices in automobiles - An electronic device that is operable to provide navigation information to a user by utilizing the navigation system of a separate mobile device, such as a GPS-enabled mobile phone. The electronic device includes a communication interface for communicating navigation data between the mobile device and the electronic device. The electronic device also includes a display for displaying the navigation data received from the mobile device. The display of the electronic device may be larger than the display of the mobile device, such that a driver of an automobile may use the electronic device to provide a more desirable viewing experience. Further, the electronic device may include a user interface, such as a touch screen, that allows a user to access and control the navigation functions of the mobile device. The electronic device may also be operable to communicate with other portable electronic devices. | 04-08-2010 |
Chaolan Hu, Rochester Hills, MI US
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20100200067 | SUBSTRATE FOR SEMICONDUCTOR DEVICE AND METHOD FOR ITS MANUFACTURE - A metal and oxygen material such as a transparent electrically conductive oxide material is electro deposited onto a substrate in a solution deposition process. Process parameters are controlled so as to result in the deposition of a high quality layer of material which is suitable for use in a back reflector structure of a high efficiency photovoltaic device. The deposition may be carried out in conjunction with a masking member which operates to restrict the deposition of the metal and oxygen material to specific portions of the substrate. In particular instances the deposition may be implemented in a continuous, roll-to-roll process. Further disclosed are semiconductor devices and components of semiconductor devices made by the present process, as well as apparatus for carrying out the process. | 08-12-2010 |
20100200408 | METHOD AND APPARATUS FOR THE SOLUTION DEPOSITION OF HIGH QUALITY OXIDE MATERIAL - A metal and oxygen material such as a transparent electrically conductive oxide material is electro deposited onto a substrate in a solution deposition process. Process parameters are controlled so as to result in the deposition of a high quality layer of material which is suitable for use in a back reflector structure of a high efficiency photovoltaic device. The deposition may be carried out in conjunction with a masking member which operates to restrict the deposition of the metal and oxygen material to specific portions of the substrate. In particular instances the deposition may be implemented in a continuous, roll-to-roll process. Further disclosed are semiconductor devices and components of semiconductor devices made by the present process, as well as apparatus for carrying out the process. | 08-12-2010 |
20100200409 | SOLUTION DEPOSITION AND METHOD WITH SUBSTRATE MAKING - A metal and oxygen material such as a transparent electrically conductive oxide material is electro deposited onto a substrate in a solution deposition process. Process parameters are controlled so as to result in the deposition of a high quality layer of material which is suitable for use in a back reflector structure of a high efficiency photovoltaic device. The deposition may be carried out in conjunction with a masking member which operates to restrict the deposition of the metal and oxygen material to specific portions of the substrate. In particular instances the deposition may be implemented in a continuous, roll-to-roll process. Further disclosed are semiconductor devices and components of semiconductor devices made by the present process, as well as apparatus for carrying out the process. | 08-12-2010 |
20100200411 | METHOD AND APPARATUS FOR THE SOLUTION DEPOSITION OF OXIDE - A metal and oxygen material such as a transparent electrically conductive oxide material is electro deposited onto a substrate in a solution deposition process. Process parameters are controlled so as to result in the deposition of a high quality layer of material which is suitable for use in a back reflector structure of a high efficiency photovoltaic device The deposition may be carried out in conjunction with a masking member which operates to restrict the deposition of the metal and oxygen material to specific portions of the substrate. In particular instances the deposition may be implemented in a continuous, roll-to-roll process. Further disclosed are semiconductor devices and components of semiconductor devices made by the present process, as well as apparatus for carrying out the process. | 08-12-2010 |
20100200413 | SOLUTION DEPOSITION METHOD AND APPARATUS WITH PARTIPHOBIC SUBSTRATE ORIENTATION - A metal and oxygen material such as a transparent electrically conductive oxide material is electro deposited onto a substrate in a solution deposition process. Process parameters are controlled so as to result in the deposition of a high quality layer of material which is suitable for use in a back reflector structure of a high efficiency photovoltaic device. The deposition may be carried out in conjunction with a masking member which operates to restrict the deposition of the metal and oxygen material to specific portions of the substrate. In particular instances the deposition may be implemented in a continuous, roll-to-roll process. Further disclosed are semiconductor devices and components of semiconductor devices made by the present process, as well as apparatus for carrying out the process. | 08-12-2010 |
Fengzhuo Hu, Ann Arbor, MI US
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20150158394 | METHOD TO ENSURE RELIABLE RECEPTION OF ELECTRIC VEHICLE ASSOCIATION MESSAGES - A vehicle controller of a vehicle may set a message acceptance type and a time window for response according to a type of association procedure message received from a requester, provide the association procedure message to electric vehicle supply equipment, and return a received response message to the requester when the response message is of the acceptance type and received within the time window, and otherwise reject the response message. | 06-11-2015 |
Haoran Hu, Novi, MI US
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20090282812 | System and method of operating internal combustion engines at fuel rich low-temperature- combustion mode as an on-board reformer for solid oxide fuel cell-powered vehicles - The invention provides a distinctive method of operating an internal combustion engine in a low-temperature combustion mode. An engine combustion chamber is provided with fuel and air charges before combustion conditions are reached. The fuel charge is sufficient to provide a fuel-air equivalence ratio of at least 1.05. The fuel and air are allowed to mix prior to combustion. The fuel is provided to the combustion chamber at least 20 crank angle degrees before top dead center. The fuel and air charges are regulated such that the mixture auto-ignites as a result of the heat and pressure generated by the compression stroke. The amounts are further regulated such that combustion occurs below a temperature at which significant soot production occurs. In one embodiment, early intake valve closing is used to limit the air charge. The method provides a rich low temperature combustion mode operation, which has several applications. | 11-19-2009 |
20110209744 | Combined Solar/Thermal (CHP) Heat and Power for Residential and Industrial Buildings - A solar powered generator ( | 09-01-2011 |
Ing Feng Hu, Midland, MI US
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20100292355 | ALKENYL-AROMATIC FOAM HAVING GOOD SURFACE QUALITY, HIGH THERMAL INSULATING PROPERTIES AND LOW DENSITY - Prepare an alkenyl-aromatic foam having good surface quality, high thermal insulating properties and low density using an extrusion method by expanding a foamable polymer composition of an alkenyl-aromatic polymer composition containing less than 20 weight-percent covalently bonded halogens and having a polydispersity of less than 2.5 and a water solubility greater than 0.09 moles per kilogram and 2.2 moles per kilogram or less at 130 degrees Celsius and 101 kilopascals pressure and 0.8-2 moles per kilogram of a blowing agent containing 0.4 moles per kilogram or more of a chlorine-free fluorinated blowing agents and water at a concentration of at least 0.22 moles per kilogram; wherein moles per kilogram are relative to kilograms of alkenyl-aromatic polymer. The resulting foam has a density of 64 kilograms per cubic meter or less and a thermal conductivity of 32 milliwatts per meter-Kelvin or less after 180 days. | 11-18-2010 |
20110034573 | PHOSPHORUS-SULFUR FR ADDITIVES AND POLYMER SYSTEMS CONTAINING SAME - Phosphorus-sulfur compounds have flame retardant activity in organic polymer systems. The phosphorus-sulfur compounds can be represented by the structure: | 02-10-2011 |
20140315104 | Lithium Battery Electrodes Containing Lithium Oxalate - Cathodes for lithium batteries contain a lithium-manganese cathodic material and from 0.5 to 20% by weight of lithium oxalate. Batteries containing the electrodes tend to exhibit high cycling capacities. | 10-23-2014 |
20150303473 | CO-SOLVENT ASSISTED MICROWAVE-SOLVOTHERMAL PROCESS FOR MAKING OLIVINE LITHIUM TRANSITION METAL PHOSPHATE ELECTRODE MATERIALS - Olivine lithium transition metal phosphate cathode materials are made in a microwave-assisted process by combining precursors in a mixture of water and an alcoholic cosolvent, then exposing the precursors to microwave radiation 5 to heat them under superatmospheric pressure. This process allows rapid synthesis of the cathode materials, and produces cathode materials that have high specific capacities. | 10-22-2015 |
20150311505 | LMFP Cathode Materials with Improved Electrochemical Performance - Particulate LMFP cathode materials having high manganese contents and small amounts of dopant metals are disclosed These cathode materials are made by milling a mixture of precursor materials in a wet or dry milling process. Preferably, off-stoichiometric amounts of starting materials are used to make the cathode materials. Unlike other high manganese LMFP materials, these cathode materials provide high specific capacities, very good cycle life and high energies even at high discharge rates. | 10-29-2015 |
20150349343 | Low-Cost Method for Making Lithium Transition Metal Olivines with High Energy Density - An inexpensive method for making lithium transition metal olivine particles that have high specific capacities is disclosed. The method includes the steps of: a) combining precursor materials including at least one source of lithium ions, at least one source of transition metal ions, at least one source of H | 12-03-2015 |
20150372303 | Method for Making Lithium Transition Metal Olivines Using Water/Cosolvent Mixtures - Olivine lithium manganese iron phosphate is made in a coprecipitation process from a water/alcoholic cosolvent mixture. The LMFP particles so obtained exhibit surprisingly high electronic conductivities, which in turn leads to other advantages such as high energy and power densities and excellent cycling performance. | 12-24-2015 |
Jake Hu, Canton, MI US
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20100327540 | CYLINDER HEAD GASKET - A cylinder head gasket constructed in accordance with invention provides a reliable gas/fluid-tight seal between a cylinder head and cylinder block during assembly and maintains the seal during use without substantially losing the contact pressure provided by the gasket during assembly while in use. The cylinder head gasket includes a first functional layer having an opening bounded by an annular free edge. The first functional layer has a full bead and a half bead. The half bead is between the full bead and the free edge. The half bead extends in a first axial direction to a plateau portion and the full bead extends in a second axial direction opposite the first axial direction to a peak. | 12-30-2010 |
20110042904 | CYLINDER HEAD GASKET ASSEMBLY - A static cylinder head gasket assembly includes an inner distance layer having an opening extending between opposite planar sides with the opening being configured to register with a cylinder bore of an internal combustion engine. A plurality of inner functional layers overlie each of the opposite sides of the inner distance layer. The inner functional layers have axially aligned, nested annular sealing beads extending about the opening in the distance layer. The gasket assembly further includes a plurality of outer functional layers separate from the inner functional layers. The outer functional layers have annular inner peripheries spaced axially from one another to provide a gap configured to receive at least a portion of the inner distance layer therein. The outer periphery of the inner distance layer is captured axially between the outer functional layers and thus, the inner distance layer is prevented from being disassembled from the outer functional layers. | 02-24-2011 |
20150069719 | COATINGLESS CYLINDER HEAD GASKET - A multi-layer cylinder head gasket providing improved sealing performance, stability, and a more rigid joint between two components is provided. The gasket includes a plurality of functional layers each including a full bead located between an inner edge and outer edge and surrounding a combustion chamber opening. A stopper is disposed between the functional layers and is located radially between the combustion chamber opening and the full bead. A coating material is applied to at least one surface of at least one functional layer and extends along a majority of the length of the functional layer. To achieve the improved performance, a region along the surface located between the inner edge and the full bead remains uncoated, or includes a reduced amount of the coating material. Alternatively, the stopper can be located between the combustion chamber opening and the inner edges of the functional layers to provide the uncoated region. | 03-12-2015 |
Jialou Hu, West Bloomfield, MI US
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20090289625 | Sensor system - A sensor system includes an electrically conductive surface and an air coil in proximity to the electrically conductive surface. The air coil includes a first coil and a second coil. The first coil forms a wire winding pattern having a cross section perpendicular with the cross section of a wire winding pattern of the second coil. The sensor system also includes a controller electrically coupled to the air coil and configured to sense a change in impedance of the air coil due to relative movement between the air coil and the electrically conductive surface. The sensor system also includes a safety device electrically coupled to the controller. | 11-26-2009 |
Jialou Hu, Auburn Hills, MI US
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20130261900 | OCCUPANT PROTECTION SYSTEM - An occupant protection system is used to protect an occupant from vertical acceleration of a vehicle. The system includes a sensor that detects when a vehicle is subjected to vertical acceleration and a lowering means for a vehicle seat. The seat lowering means actively lowers, or forces the seat in a generally downward direction based on a signal from the sensor. Also, a seat for a vehicle includes a support that may withstand a vertical acceleration of the vehicle, a sensor that may detect the vertical acceleration, and a seat lowering means. The seat is connected to the support, and the seat may slide in a downward direction relative to the support. The seat is lowered by the seat lowering means at least partly in response to a signal from the sensor. | 10-03-2013 |
Jialou Hu, Farmington Hills, MI US
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20090001978 | Sensor system - A sensor system is provided. The sensor system includes an electrically conductive surface and an air coil in proximity to the electrically conductive surface. The air coil has a wire winding pattern with an “L” shaped cross section. The sensor system also includes a controller, coupled to the air coil and configured to sense a change in impedance of the air coil due to movement of the electrically conductive surface. A safety device is coupled to the controller. The controller activates the safety device if the change in impedance of the air coil exceeds a predetermined threshold. | 01-01-2009 |
Jiamu Hu, Rochester Hills, MI US
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20100318255 | DETERMINING LOW-SPEED DRIVING DIRECTION IN A VEHICLE - A method and a system of determining a driving direction of a vehicle traveling at a low speed. The method includes determining whether the vehicle is in one of three states: (1) an uphill state in which the vehicle is located on an upward sloping surface, (2) a downhill state in which the vehicle is located on a downward sloping surface, and (3) a flat surface state in which the vehicle is located on a flat surface. The method also includes obtaining information from a plurality of vehicle sensors and determining a direction of movement of the vehicle based upon the determined state of the vehicle and information from the plurality of vehicle sensors. | 12-16-2010 |
20120226469 | WHEEL SPEED ESTIMATION USING A DRIVETRAIN MODEL - A controller. The controller includes a processor and a non-transitory computer readable medium. The processor is configured to receive the speed of a first driven wheel from a wheel speed sensor and the speed of a drive shaft from a drive shaft sensor. The non-transistory computer readable medium includes program instructions executed by the processor for determining a speed of a second driven wheel based on a plurality of detected speeds of the first driven wheel and detected speeds of the drive shaft over time. | 09-06-2012 |
20160101766 | ADAPTIVE HILL-HOLD CONTROL - A hill-hold control system for a vehicle. The hill-hold control system includes a first wheel brake ( | 04-14-2016 |
Jianrong Matthew Hu, Westland, MI US
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20090173062 | Engine system having valve actuated filter regeneration - An engine is disclosed. The engine has an engine block at least partially forming a combustion chamber, and a piston located to reciprocate within the combustion chamber. The engine also has an exhaust valve fluidly connected to the combustion chamber, and a filter assembly fluidly connected to the exhaust valve. The engine further has a controller configured to open the exhaust valve during a portion of an intake stroke of the piston and a portion of a compression stroke of the piston to reduce an amount of air available for combustion during an ensuing power stroke, wherein the exhaust valve opens after a majority of the intake stroke is complete and closes during a first half of the compression stroke. | 07-09-2009 |
Lain-Yen Hu, Ann Arbor, MI US
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20090105349 | ANDROGEN MODULATORS - The present invention is directed to the discovery of a new class of androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease sebum secretion and to stimulate hair growth. | 04-23-2009 |
20090170886 | ANDROGEN MODULATORS - The present invention is directed to a new class of benzonitriles and to their use as androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease excess sebum secretions and to stimulate hair growth. | 07-02-2009 |
20100048517 | ANDROGEN MODULATORS - The present invention is directed to a new class of 4-cycloalkoxy benzonitriles and to their use as androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease excess sebum secretions and to stimulate hair growth. | 02-25-2010 |
Leon Hu, Dearborn, MI US
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20160102579 | SHEET METAL TURBINE HOUSING WITH CELLULAR STRUCTURE REINFORCEMENT - Systems are provided for a reinforcement element coupled to a sheet metal turbine housing that imparts desirable thermal-protective and structurally strengthening characteristics to the housing layers. In one example, a system may include a turbine comprising a housing surrounding a turbine rotor, the housing having an outer layer surrounding an inner layer at a distance to form an intermediate space between the inner and outer layers. Moreover, disposed in the intermediate space is a reinforcement element coupled to the inner and outer layers, providing strength and consistent rigidity without a significant increase in weight to the housing. | 04-14-2016 |
Liangjun Hu, Dearborn, MI US
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20140360160 | VARIABLE GEOMETRY TURBINE VANE - Embodiments may provide variable geometry turbine, a nozzle vane for a variable geometry turbine, and a method. The variable geometry turbine that may include a turbine wheel and a plurality of adjustable vanes radially positioned around the turbine wheel. The turbine may also include a flow disrupting feature on one or more outside surfaces of one or more of the plurality of adjustable vanes. | 12-11-2014 |
20140377051 | TURBOCHARGER - Systems and methods are disclosed for a turbocharger compressor, the system comprising: an actuatable annular disk comprising choke slots therein; an outer annular disk comprising choke slots therein; and an actuator to rotate the actuatable annular disk relative to the outer annular disk to vary alignment of the choke slots of the actuatable annular disk and the outer annular disk. The actuator may be controlled by an engine controller responsive to operating conditions of the compressor and actuated to align choke slots. Alignment of the choke slots allows air to be drawn into the impeller effectively expanding the compressor flow capacity to prevent compressor choke. | 12-25-2014 |
Liangjun Hu, West Bloomfield, MI US
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20110173975 | Turbocharger - In one example, a turbocharger for an internal combustion engine is described. The turbocharger comprises a casing containing an impeller having a full blade coupled to a hub that rotates about an axis of rotation. The casing includes a bleed port and an injection port. The full blade includes a hub edge, a casing edge, and a first distribution of angles, each angle measured between the axis of rotation and a mean line at the hub edge at a meridional distance along the hub edge. The full blade includes a second distribution of angles, each angle measured between the axis of rotation and a mean line at the casing edge at a meridional distance along the casing edge. Further, various systems are described for affecting the aerodynamic properties of the compressor and turbine components in a way that may extend the operating range of the turbocharger. | 07-21-2011 |
20130042608 | SLIDING VANE GEOMETRY TURBINES - Various systems and methods are described for a variable geometry turbine. In one example, a turbine nozzle comprises a central axis and a nozzle vane. The nozzle vane includes a stationary vane and a sliding vane. The sliding vane is positioned to slide in a direction substantially tangent to an inner circumference of the turbine nozzle and in contact with the stationary vane. | 02-21-2013 |
Qingyuan Hu, Madison Heights, MI US
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20090317613 | MICROPOROUS CARBON AND METHOD FOR MAKING THE SAME - A carbon material includes a carbonized composite formed from a substantially homogeneous composite including a carbon precursor and an activation agent that is soluble in a solution including the carbon precursor. Micropores having a substantially uniform size distribution are formed throughout the carbonized composite. At least 90% of a total pore volume of the carbon material is composed of micropores, and 10% or less of the total pore volume is composed of mesopores and macropores. A surface area of the carbon material ranges from about 1400 m | 12-24-2009 |
20110177940 | MICROPOROUS CARBON AND METHOD FOR MAKING THE SAME - A substantially homogeneous composite for making a carbon material includes a carbon precursor and an activation agent that is soluble in a solution including the carbon precursor. An amount of the activation agent used is sufficient to form the carbon material having at least 90% of a total pore volume of the carbon material composed of micropores, and 10% or less of the total pore volume composed of mesopores and macropores. | 07-21-2011 |
Shixin J. Hu, Ann Arbor, MI US
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20140203066 | METHOD AND SYSTEM FOR ONLINE QUALITY MONITORING AND CONTROL OF A VIBRATION WELDING PROCESS - A method for monitoring and controlling a vibration welding system includes collecting sensory data during formation of a welded joint using sensors positioned with respect to welding interfaces of a work piece. A host machine extracts a feature set from a welding signature collectively defined by the sensory data, compares and correlates the feature set with validated information in a library, and executes a control action(s) when the present feature set insufficiently matches the information. A welding system includes a sonotrode, sensors, and the host machine. The host machine is configured to execute the method noted above. | 07-24-2014 |
Shixin Jack Hu, Ann Arbor, MI US
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20090188903 | Method for welding process consistency - A method is provided for monitoring and controlling the process consistency of an arc welding process. The weld voltage signal is monitored and analyzed to determine the occurrence of the detachment of a weld droplet. The weld droplet detachment is determined via statistical techniques as having occurred at a normal interval following a prior detachment indicating consistent weld process or as a sporadic detachment having occurred at an irregular interval with respect to the prior detachment and indicating inconsistent weld process. The weld process is adjusted by controlling the weld process variables to maximize the predominance of droplet detachment at normal intervals and minimize the occurrence of the sporadic detachments. | 07-30-2009 |
20110108181 | METHOD AND SYSTEM FOR ONLINE QUALITY MONITORING AND CONTROL OF A VIBRATION WELDING PROCESS - A method for monitoring and controlling a vibration welding system includes collecting sensory data during formation of a welded joint using sensors positioned with respect to welding interfaces of a work piece. A host machine extracts a feature set from a welding signature collectively defined by the sensory data, compares and correlates the feature set with validated information in a library, and executes a control action(s) when the present feature set insufficiently matches the information. A welding system includes a sonotrode, sensors, and the host machine. The host machine is configured to execute the method noted above. | 05-12-2011 |
20150041081 | NATURAL FIBER REINFORCED COMPOSITE PANEL AND METHOD - A reinforced composite panel and method of making the composite panel uses processed natural fibers such as bamboo along with a polymeric material. The method includes the steps of: treating a plant source comprising natural fibers with a solvent and processing the treated plant source. The processing step can include arranging the natural fibers into a sheet-like orientation in a variety of ways. A polymeric material is then applied to the natural fibers to form a composite sheet, and the composite panel can be formed from one or more composite sheets. | 02-12-2015 |
Shiyan Hu, Houghton, MI US
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20120240093 | ROUTING AND TIMING USING LAYER RANGES - A method, system, and computer program product for improved routing using layer ranges in the design of an integrated circuit (IC) are provided in the illustrative embodiments. Using an application executing in a data processing system, a score is computed for a net in a set of nets routed using a set of layers in the design. The set of nets is sorted according to scores associated with nets in the set of nets. A layer range from a set of layer ranges is assigned to a net in the sorted list such that a net with a higher than threshold score is assigned a high layer range. | 09-20-2012 |
Terry I. Hu, Midland, MI US
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20110135948 | Composition for making metal matrix composites - In one embodiment, a composition ( | 06-09-2011 |
Weilong Hu, Canton, MI US
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20090241628 | Draw Die and Method of Manufacturing Same - The embodiment relates generally to a stamping or draw die used for forming a workpiece into a part or component using a first die shoe, a second die shoe and a punch wherein the punch draws the material into a cavity located in the second die shoe. The force is generated during the forming operation are often unbalanced which generates an uneven stress distribution on the component of the die assembly. By varying the position and angle of the guide surfaces located on the punch, first die shoe and second die shoe the stress can be distributed across a greater area of the respective die assembly component to reduce stress concentrations in a localized area and correspondingly reduce the potential for die failure. | 10-01-2009 |
Xiaolong Hu, Ann Arbor, MI US
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20120077680 | NANOWIRE-BASED DETECTOR - Systems, articles, and methods are provided related to nanowire-based detectors, which can be used for light detection in, for example, single-photon detectors. In one aspect, a variety of detectors are provided, for example one including an electrically superconductive nanowire or nanowires constructed and arranged to interact with photons to produce a detectable signal. In another aspect, fabrication methods are provided, including techniques to precisely reproduce patterns in subsequently formed layers of material using a relatively small number of fabrication steps. By precisely reproducing patterns in multiple material layers, one can form electrically insulating materials and electrically conductive materials in shapes such that incoming photons are redirected toward a nearby electrically superconductive materials (e.g., electrically superconductive nanowire(s)). For example, one or more resonance structures (e.g., comprising an electrically insulating material), which can trap electromagnetic radiation within its boundaries, can be positioned proximate the nanowire(s). The resonance structure can include, at its boundaries, electrically conductive material positioned proximate the electrically superconductive nanowire such that light that would otherwise be transmitted through the sensor is redirected toward the nanowire(s) and detected. In addition, electrically conductive material can be positioned proximate the electrically superconductive nanowire (e.g. at the aperture of the resonant structure), such that light is directed by scattering from this structure into the nanowire. | 03-29-2012 |
Xin Hu, Ann Arbor, MI US
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20090019546 | Method and Apparatus for Modeling Computer Program Behaviour for Behavioural Detection of Malicious Program - A method and apparatus for modeling a behavior of a computer program that is executed in a computer system is described. The method and apparatus for modeling a behavior of a computer program may be used to detect a malicious program based on the behavior of the computer program. A method includes collecting system use information about resources of the computer system the computer program uses; extracting a behavior signature of the computer program from the collected system use information; and encoding the extracted behavior signature to generate a behavior vector. As a result, behaviors of a particular computer program may be modeled to enable a malicious program detection program and to determine whether the computer program is either normal or malicious. | 01-15-2009 |
20090031162 | APPARATUS AND METHOD FOR REPAIRING COMPUTER SYSTEM INFECTED BY MALWARE - An apparatus and method of diagnosing whether a program executed in a computer system is malware and repairing the computer system infected by malware. The apparatus includes a receiving unit which receives a first behavior vector for the malware from a malware control server; a determination unit which determines whether a diagnostic target program corresponds to malware based on the received first behavior vector and a second behavior vector for the diagnostic target program; and a repair unit which repairs the computer system based on a result of the determination. | 01-29-2009 |
20090049549 | APPARATUS AND METHOD FOR DETECTION OF MALICIOUS PROGRAM USING PROGRAM BEHAVIOR - An apparatus and method of diagnosing whether a computer program executed in a computer system is a malicious program and more particularly, an apparatus and method of diagnosing whether a computer program is a malicious program using a behavior of a computer program, and an apparatus and method of generating malicious code diagnostic data is provided. The apparatus for diagnosing a malicious code may include a behavior vector generation unit which generates a first behavior vector based on a behavior signature extracted from a diagnostic target program; a diagnostic data storage unit which stores a plurality of second behavior vectors for a plurality of sample programs predetermined to be malicious or normal; and a code diagnostic unit which diagnoses whether the diagnostic target program is a malicious code by comparing the first behavior vector with the plurality of second behavior vectors. | 02-19-2009 |
Xuequn Hu, Northville, MI US
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20130059087 | Method of strengthening glass using plasma torches and/or arc jets, and articles made according to the same - Certain example embodiments relate to an improved method of strengthening glass substrates (e.g., soda lime silica glass substrates). In certain examples, a glass substrate may be chemically strengthened by creating an electric field within the glass. In certain cases, the chemical tempering may be performed by surrounding the substrate by a plasma including certain ions, such as Li | 03-07-2013 |
20130059160 | Method of strengthening glass by plasma induced ion exchanges, and articles made according to the same - Certain example embodiments relate to an improved method of strengthening glass substrates (e.g., soda lime silica glass substrates). In certain examples, a glass substrate may be chemically strengthened by creating an electric field within the glass. In certain cases, the chemical tempering may be performed by surrounding the substrate by a plasma including certain ions, such as Li | 03-07-2013 |
20130059717 | Method of strengthening glass by plasma induced ion exchanges in connection with tin baths, and articles made according to the same - Certain example embodiments relate to an improved method of strengthening glass substrates (e.g., soda lime silica glass substrates). In certain examples, a glass substrate may be chemically strengthened by creating an electric field within the glass. In certain cases, the chemical tempering may be performed by surrounding the substrate by a plasma including certain ions, such as Li | 03-07-2013 |
Yating Hu, Detroit, MI US
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20140183669 | RESONANT SENSOR WITH ASYMMETRIC GAPPED CANTILEVERS - A resonant sensor is provided. The resonant sensor may have a structure including a base portion, a mass portion, and a mechanical beam connecting the base portion to the mass portion. In addition, the structure may include a first sensing beam formed from a sensing material responsive to mechanical strain where a gap is formed between the sensing beam and the mechanical beam. | 07-03-2014 |
Yiran Hu, Powell, MI US
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20090266052 | UNIVERSAL TRACKING AIR-FUEL REGULATOR FOR INTERNAL COMBUSTION ENGINES - A fuel control system of an engine system comprises a pre-catalyst exhaust gas oxygen (EGO) sensor, a setpoint generator module, a sensor offset module, and a control module. The pre-catalyst EGO sensor generates a pre-catalyst EGO signal based on an air-fuel ratio of an exhaust gas. The setpoint generator module generates a desired pre-catalyst equivalence ratio (EQR) signal based on a desired EQR of the exhaust gas. The sensor offset module determines an offset value of the pre-catalyst EGO sensor. The control module generates an expected pre-catalyst EGO signal based on the desired pre-catalyst EQR signal and the offset value. | 10-29-2009 |
20090271093 | OFF-LINE CALIBRATION OF UNIVERSAL TRACKING AIR FUEL RATIO REGULATORS - A fuel control system of an engine includes a simulation module and a control module. The simulation module generates a simulated pre-catalyst exhaust gas oxygen (EGO) sensor signal based on a simulated oxygen concentration of an exhaust gas. The simulation module determines a simulated pre-catalyst equivalence ratio (EQR) for the exhaust gas based on the simulated pre-catalyst EGO sensor signal. The control module generates a desired pre-catalyst EGO sensor signal based on a desired oxygen concentration of the exhaust gas. The control module determines a desired pre-catalyst EQR based on the desired pre-catalyst EGO sensor signal. The control module determines a cost function based on the simulated pre-catalyst EQR and the desired pre-catalyst EQR. The fuel control system is calibrated based on the cost function. | 10-29-2009 |
20100300387 | SYSTEM AND METHOD FOR DETERMINING A CAMSHAFT POSITION IN A VARIABLE VALVE TIMING ENGINE - A control module and system includes a camshaft position module that determines a camshaft position change of a crankshaft. The control module also includes a cam phaser velocity module determines a cam phaser velocity based on the camshaft position change. A cam phaser velocity module determines a compensation factor based on the cam phaser velocity. A cam position compensation module generates a corrected cam position signal based on the compensation factor. | 12-02-2010 |
Yiran Hu, Shelby Twp., MI US
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20130300377 | BATTERY STATE-OF-CHARGE ESTIMATOR USING ROBUST H(INFINITY) OBSERVER - A battery state-of-charge (SOC) estimator uses a robust H | 11-14-2013 |
Yu-Kan Hu, Ypsilanti, MI US
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20100072788 | TWELVE-CORNERED STRENGTHENING MEMBER - A strengthening member for an automotive vehicle comprises a twelve-cornered cross section including sides and corners creating internal angles and external angles. Each internal angle ranges from about 100° to about 110° and each external angle ranges from about 105° to about 130°. | 03-25-2010 |
20100102592 | Twelve-Cornered Strengthening Member - A strengthening member for an automotive vehicle has a twelve-cornered cross section comprising sides and corners creating internal angles and external angles. The strengthening member also comprises one or more of trigger holes, convolutions, and flanges to stabilize the folding mode and prevent bending in response to an axially-applied crash force. | 04-29-2010 |
20110015902 | Twelve-Cornered Strengthening Member - A method for optimizing a twelve-cornered strengthening member comprises: modeling a vehicle assembly including a strengthening member having a twelve-cornered cross section; parameterizing a geometry of the strengthening member with a plurality of control parameters; defining a design of experiment using the plurality of control parameters; modeling a vehicle using the vehicle assembly; simulating a frontal impact event with the vehicle; generating a response surface based on the frontal impact event; and determining a set of optimized control parameters for the strengthening member based on the response surface. | 01-20-2011 |
20120261949 | Multi-Cornered Strengthening Members - A strengthening member for an automotive vehicle comprises an eight-cornered cross section including sides and corners. The sides comprise four straight sides and four curved sides. A length of each straight side ranges from about 10 mm to about 200 mm and a length of each curved side is about 10 mm to about 200 mm. | 10-18-2012 |
20130140850 | LIGHTWEIGHT VEHICLE BEAM - Several different cross sections of beam having more than four sides are disclosed that may form a central portion of a beam having end portions that have four sides. The end portions of the beams may be received by frame rails. The central portion of the beam between the frame rails may be formed with more than four sides. The additional sides may be recessed beads or protruding ribs. Beams having arcuate recesses or arcuate ribs may be provided on the central portion of the beam. The end portions of the beams may extend outboard of the frame rails. The ribs or beads on the central portion of the beam may provide equivalent performance to four-sided beams having considerably thicker walls. Weight reduction is achieved because the central portion is made of a thinner material while retaining strength by forming beads or ribs in the central portion. | 06-06-2013 |
20130292968 | MULTI-CORNERED STRENGTHENING MEMBERS - A strengthening member for an automotive vehicle comprises an eight-cornered cross section including sides and corners. The sides comprise four straight sides and four curved sides. A length of each straight side ranges from about 10 mm to about 200 mm and a length of each curved side is about 10 mm to about 200 mm. | 11-07-2013 |
20130341115 | TWELVE-CORNERED STRENGTHENING MEMBER - A strengthening member for an automotive vehicle comprises a twelve-cornered cross section including sides and corners creating internal angles and external angles. Each internal angle ranges from about 100° to about 110° and each external angle ranges from about 105° to about 130°. | 12-26-2013 |
20150084374 | TWELVE-CORNERED STRENGTHENING MEMBER, ASSEMBLIES INCLUDING A TWELVE-CORNERED STRENGTHENING MEMBER, AND METHODS OF MANUFACTURING AND JOINING THE SAME - A strengthening member for an automotive vehicle comprises a twelve-cornered cross section including sides and corners creating internal angles and external angles. To facilitate a connection between the strengthening member and the automotive component, one of the strengthening member and the automotive component may transition from the twelve-cornered cross section at a first end of the strengthening member to a four-cornered cross section at a second end of the strengthening member. An automotive assembly may include a strengthening member connected to an automotive component via a separate bridge connection member. | 03-26-2015 |
20150130217 | SORB ENERGY MANAGEMENT CROSSMEMBER - An apparatus turns a front wheel of a vehicle inward during an offset frontal impact. The apparatus includes a first frame rail and a second frame rail spaced from each other. A bumper is supported by the first and second frame rails. A beam extends between and engages the first and second frame rails. The beam includes an extension extending from the first frame rail away from the second frame rail to a first end spaced from the first frame rail for being positioned forward of the front wheel and for being forced into the front wheel during the offset frontal impact. | 05-14-2015 |
20150336612 | Lightweight Vehicle Beam - Several different cross sections of beam having more than four sides are disclosed that may form a central portion of a beam having end portions that have four sides. The end portions of the beams may be received by frame rails. The central portion of the beam between the frame rails may be formed with more than four sides. The additional sides may be recessed beads or protruding ribs. Beams having arcuate recesses or arcuate ribs may be provided on the central portion of the beam. The end portions of the beams may extend outboard of the frame rails. The ribs or beads on the central portion of the beam may provide equivalent performance to four-sided beams having considerably thicker walls. Weight reduction is achieved because the central portion is made of a thinner material while retaining strength by forming beads or ribs in the central portion. | 11-26-2015 |
20160052557 | TWELVE-CORNERED STRENGTHENING MEMBER - A strengthening member for an automotive vehicle comprises a twelve-cornered cross section including sides and corners creating eight internal angles and four external angles. Each internal angle and each external angle is greater than 90°. At least a portion of the strengthening member tapers along its length. | 02-25-2016 |
20160068194 | TWELVE-CORNERED STRENGTHENING MEMBER, ASSEMBLIES INCLUDING A TWELVE-CORNERED STRENGTHENING MEMBER, AND METHODS OF MANUFACTURING AND JOINING THE SAME - A motor vehicle assembly that includes a strengthening member having a twelve-cornered cross section along at least a portion of the strengthening member, and an automotive component having a four-cornered cross section along at least a portion of the automotive component. The cross section of one of the strengthening member and the automotive component transitions between twelve corners and four corners to facilitate a connection between the strengthening member and the automotive component. | 03-10-2016 |
Yun Hang Hu, Hancock, MI US
Patent application number | Description | Published |
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20110163264 | SYNTHESIS OF CARBON NITRIDES FROM CARBON DIOXIDE - Provided are methods of converting carbon dioxide to carbon nitrides. In a first reaction, carbon dioxide may be reacted with metal nitrides, such as Li | 07-07-2011 |
Zaiqian Hu, Rochester Hills, MI US
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20150176924 | COMBO-COOLER - A combo-cooler includes heat exchangers having parallel tubes corresponding to each heat exchanger aligned in a tube plane. A first end tank assembly includes a columnar end tank separated by a baffle into compartments each in fluid communication with a respective hydraulically independent fluid circuit. The second tank assembly includes manifolds aligned in a column. Serially adjacent manifolds are in slidable contact or separated by a respective gap to allow relative translation. Banks of the tubes are brazed in fluid communication with a compartment and a manifold to connect the compartment and the manifold to have a respective fluid flow therethrough. A bracket contacts at least two of the serially adjacent manifolds to prevent translation between the bracket and the serially adjacent manifolds perpendicular to the tube plane and to allow relative translation between the at least two of the serially adjacent manifolds parallel to the tubes. | 06-25-2015 |
Zhendong Hu, Ann Arbor, MI US
Patent application number | Description | Published |
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20080292808 | METHOD OF PRODUCING COMPOUND NANORODS AND THIN FILMS - A method of producing compound nanorods and thin films under a controlled growth mode is described. The method involves ablating compound targets using an ultrafast pulsed laser and depositing the ablated materials onto a substrate. When producing compound nanorods, external catalysts such as pre-deposited metal nanoparticles are not involved. Instead, at the beginning of deposition, simply by varying the fluence at the focal spot on the target, a self-formed seed layer can be introduced for nanorods growth. This provides a simple method of producing high purity nanorods and controlling the growth mode. Three growth modes are covered by the present invention, including nanorod growth, thin film growth, and nano-porous film growth. | 11-27-2008 |
20090246413 | METHOD FOR FABRICATING THIN FILMS - A method of ultrashort pulsed laser deposition (PLD) capable of continuously tuning formed-film morphology from that of a nanoparticle aggregate to a smooth thin film completely free of particles and droplets. The materials that can be synthesized using various embodiments of the invention include, but are not limited to, metals, alloys, metal oxides, and semiconductors. A ‘burst’ mode of ultrashort pulsed laser ablation and deposition is provided, where each ‘burst’ contains a train of laser pulses. Tuning of the film morphology is achieved by controlling the burst-mode parameters such as the number of pulses and the time-spacing between the pulses within each burst, the burst repetition rate, and the laser fluence. The system includes an ultrashort pulsed laser, an optical setup for delivering the laser beam such that the beam is focused onto the target surface with an appropriate average energy density (fluence), and a vacuum chamber in which the target and the substrate are installed and background gases and their pressures are appropriately adjusted. | 10-01-2009 |
20090246530 | Method For Fabricating Thin Films - A method of pulsed laser deposition (PLD) capable of continuously tuning formed-film morphology from that of a nanoparticle aggregate to a smooth thin film free of particles and droplets. The materials that can be synthesized using various embodiments of the invention include, but are not limited to, metals, alloys, metal oxides, and semiconductors. In various embodiments a ‘burst’ mode of ultrashort pulsed laser ablation and deposition is provided. Tuning of the film morphology is achieved by controlling the burst-mode parameters such as the number of pulses and the time-spacing between the pulses within each burst, the burst repetition rate, and the laser fluence. The system includes an ultrashort pulsed laser, an optical system for delivering a focused onto the target surface with an appropriate energy density, and a vacuum chamber in which the target and the substrate are installed and background gases and their pressures are appropriately adjusted. | 10-01-2009 |
20090311513 | METHOD FOR DEPOSITING CRYSTALLINE TITANIA NANOPARTICLES AND FILMS - A one-step and room-temperature process for depositing nanoparticles or nanocomposite (nanoparticle-assembled) films of metal oxides such as crystalline titanium dioxide (TiO | 12-17-2009 |
20100000466 | P-Type Semiconductor Zinc Oxide Films Process for Preparation Thereof, and Pulsed Laser Deposition Method Using Transparent Substrates - A p-type semiconductor zinc oxide (ZnO) film and a process for preparing the film are disclosed. The film is co-doped with phosphorous (P) and lithium (Li). A pulsed laser deposition scheme is described for use in growing the film. Further described is a process of pulsed laser deposition using transparent substrates which includes a pulsed laser source, a substrate that is transparent at the wavelength of the pulsed laser, and a multi-target system. The optical path of the pulsed laser is arranged in such a way that the pulsed laser is incident from the back of the substrate, passes through the substrate, and then focuses on the target. By translating the substrate towards the target, this geometric arrangement enables deposition of small features utilizing the root of the ablation plume, which can exist in a one-dimensional transition stage along the target surface normal, before the angular width of the plume is broadened by three-dimensional adiabatic expansion. This can provide small deposition feature sizes, which can be similar in size to the laser focal spot, and provides a novel method for direct deposition of patterned materials. | 01-07-2010 |
20100196192 | Production of metal and metal-alloy nanoparticles with high repetition rate ultrafast pulsed laser ablation in liquids - Various embodiments include a method of producing chemically pure and stably dispersed metal and metal-alloy nanoparticle colloids with ultrafast pulsed laser ablation. A method comprises irradiating a metal or metal alloy target submerged in a liquid with ultrashort laser pulses at a high repetition rate, cooling a portion of the liquid that includes an irradiated region, and collecting nanoparticles produced with the laser irradiation and liquid cooling. The method may be implemented with a high repetition rate ultrafast pulsed laser source, an optical system for focusing and moving the pulsed laser beams, a metal or metal alloy target submerged in a liquid, and a liquid circulating system to cool the laser focal volume and collect the nanoparticle products. By controlling various laser parameters, and with optional liquid flow movement, the method provides stable colloids of dispersed metal and metal-alloy nanoparticles. In various embodiments additional stabilizing chemical agents are not required. | 08-05-2010 |
20100227133 | PULSED LASER MICRO-DEPOSITION PATTERN FORMATION - A method of forming patterns on transparent substrates using a pulsed laser is disclosed. Various embodiments include an ultrashort pulsed laser, a substrate that is transparent to the laser wavelength, and a target plate. The laser beam is guided through the transparent substrate and focused on the target surface. The target material is ablated by the laser and is deposited on the opposite substrate surface. A pattern, for example a gray scale image, is formed by scanning the laser beam relative to the target. Variations of the laser beam scan speed and scan line density control the material deposition and change the optical properties of the deposited patterns, creating a visual effect of gray scale. In some embodiments patterns may be formed on a portion of a microelectronic device during a fabrication process. In some embodiments high repetition rate picoseconds and nanosecond sources are configured to produce the patterns. | 09-09-2010 |
20110133129 | METHOD OF TUNING PROPERTIES OF THIN FILMS - A method of tuning thin film properties using pulsed laser deposition (PLD) by tuning laser parameters is provided. Various embodiments may be utilized to tune magnetic properties, conductivity or other physical properties. Some embodiments may improve performance of electrochemical devices, for example a thin film electrode may be fabricated resulting in improved reaction speed of a Li ion battery. By way of example, a material property of thin film is tuned by setting a pulse duration. In some embodiments the numbers of laser pulses and laser pulse energy are other laser parameters which may be utilized to tune the film properties. The materials that can be synthesized using various embodiments of the invention include, but are not limited to, metals and metal oxides. | 06-09-2011 |
20110192714 | NANOPARTICLE PRODUCTION IN LIQUID WITH MULTIPLE-PULSE ULTRAFAST LASER ABLATION - A method for generating nanoparticles in a liquid comprises generating groups of ultrafast laser pulses, each pulse in a group having a pulse duration of from 10 femtoseconds to 200 picoseconds, and each group containing a plurality of pulses with a pulse separation of 1 to 100 nanoseconds and directing the groups of pulses at a target material in a liquid to ablate it. The multiple pulse group ablation produces nanoparticles with a reduced average size, a narrow size distribution, and improved production efficiency compared to prior pulsed ablation systems. | 08-11-2011 |
20110196044 | PRODUCTION OF ORGANIC COMPOUND NANOPARTICLES WITH HIGH REPETITION RATE ULTRAFAST PULSED LASER ABLATION IN LIQUIDS - Disclosed is a method of producing a chemically pure and stably dispersed organic nanoparticle colloidal suspension using an ultrafast pulsed laser ablation process. The method comprises irradiating a target of an organic compound material in contact with a poor solvent with ultrashort laser pulses at a high repetition rate and collecting the nanoparticles of the organic compound produced. The method may be implemented with a high repetition rate ultrafast pulsed laser source, an optical system for focusing and moving the pulsed laser beam, an organic compound target in contact with a poor solvent, and a solvent circulating system to cool the laser focal volume and collect the produced nanoparticle products. By controlling various laser parameters, and with optional poor solvent flow movement, the method provides stable colloids of dispersed organic nanoparticles in the poor solvent in the absence of any stabilizing agents. | 08-11-2011 |
20120003395 | METHOD OF FABRICATING AN ELECTROCHEMICAL DEVICE USING ULTRAFAST PULSED LASER DEPOSITION - A method of fabricating a multi-layered thin film electrochemical device is provided. The method comprises: providing a first target material in a chamber; providing a substrate in the chamber; emitting a first intermittent laser beam directed at the first target material to generate a first plasma, wherein each pulse of the first intermittent laser beam has a pulse duration of about 20 fs to about 500 ps; depositing the first plasma on the substrate to form a first thin film; providing a second target material in the chamber; emitting a second intermittent laser beam directed at the second target material to generate a second plasma, wherein each pulse of the second intermittent laser beam has a pulse duration of about 20 fs to about 500 ps; and depositing the second plasma on or above the first thin film to form a second thin film. | 01-05-2012 |
20120140378 | RECHARGEABLE ELECTROCHEMICAL ENERGY STORAGE DEVICE - A rechargeable energy storage device is disclosed. In at least one embodiment the energy storage device includes an air electrode providing an electrochemical process comprising reduction and evolution of oxygen and a capacitive electrode enables an electrode process consisting of non-faradic reactions based on ion absorption/desorption and/or faradic reactions. This rechargeable energy storage device is a hybrid system of fuel cells and ultracapacitors, pseudocapacitors, and/or secondary batteries. | 06-07-2012 |
20120237828 | NANOARCHITECTURED MULTI-COMPONENT ELECTRODE MATERIALS AND METHODS OF MAKING THE SAME - At least one embodiment of the present invention provides preparation methods and compositions for nanoarchitectured multi-component materials based on carbon-coated iron-molybdenum mixed oxide as the electrode material for energy storage devices. A sol-gel process containing soluble organics is a preferred method. The soluble organics could become a carbon coating for the mixed oxide after thermal decomposition. The existence of the carbon coating provides the mixed oxide with an advantage in cycling stability over the corresponding carbon-free mixed oxide. For the carbon-coated mixed oxide, a stable cycling stability at high charge/discharge rate (3A/g) can be obtained with Mo/Fe molar ratios ≧1/3. The cycling stability and rate capability could be tuned by incorporating a structural additive such as Al | 09-20-2012 |
20120282134 | PRODUCTION OF METAL AND METAL-ALLOY NANOPARTICLES WITH HIGH REPETITION RATE ULTRAFAST PULSED LASER ABLATION IN LIQUIDS - Various embodiments include a method of producing chemically pure and stably dispersed metal and metal-alloy nanoparticle colloids with ultrafast pulsed laser ablation. A method comprises irradiating a metal or metal alloy target submerged in a liquid with ultrashort laser pulses at a high repetition rate, cooling a portion of the liquid that includes an irradiated region, and collecting nanoparticles produced with the laser irradiation and liquid cooling. The method may be implemented with a high repetition rate ultrafast pulsed laser source, an optical system for focusing and moving the pulsed laser beams, a metal or metal alloy target submerged in a liquid, and a liquid circulating system to cool the laser focal volume and collect the nanoparticle products. By controlling various laser parameters, and with optional liquid flow movement, the method provides stable colloids of dispersed metal and metal-alloy nanoparticles. In various embodiments additional stabilizing chemical agents are not required. | 11-08-2012 |
20130244100 | IRON PHOSPHATES: NEGATIVE ELECTRODE MATERIALS FOR AQUEOUS RECHARGEABLE SODIUM ION ENERGY STORAGE DEVICES - Various embodiments of the present invention relate to electrode materials based on iron phosphates that can be used as the negative electrode materials for aqueous sodium ion batteries and electrochemical capacitors. At least one embodiment includes a negative electrode material for an aqueous sodium ion based energy storage device. The negative electrode material with a non-olivine crystal structure includes at least one phosphate selected from iron hydroxyl phosphate, Na | 09-19-2013 |
20130327987 | Production Of Fine Particles Of Functional Ceramic By Using Pulsed Laser - A method of forming nanometer sized fine particles of functional ceramic from a bulk functional ceramic, particularly fine particles of phosphorous ceramics from a bulk phosphor material is disclosed. The method relies on irradiation of a bulk phosphorous ceramic in a liquid with an ultrashort-pulsed-laser-fragmentation beam to thereby form nanometer sized particles of the phosphorous ceramic. The method is unique in that the generated particles retain the chemical and crystalline properties of the bulk phosphorous ceramic. The generated solutions are stable colloids from which the particles can be isolated or used as is. | 12-12-2013 |
20140017416 | P-TYPE SEMICONDUCTOR ZINC OXIDE FILMS PROCESS FOR PREPARATION THEREOF, AND PULSED LASER DEPOSITION METHOD USING TRANSPARENT SUBSTRATES - A p-type semiconductor zinc oxide (ZnO) film and a process for preparing the film are disclosed. The film is co-doped with phosphorous (P) and lithium (Li). A pulsed laser deposition scheme is described for use in growing the film. Further described is a process of pulsed laser deposition using transparent substrates which includes a pulsed laser source, a substrate that is transparent at the wavelength of the pulsed laser, and a multi-target system. The optical path of the pulsed laser is arranged in such a way that the pulsed laser is incident from the back of the substrate, passes through the substrate, and then focuses on the target. By translating the substrate towards the target, this geometric arrangement enables deposition of small features utilizing the root of the ablation plume, which can exist in a one-dimensional transition stage along the target surface normal, before the angular width of the plume is broadened by three-dimensional adiabatic expansion. This can provide small deposition feature sizes, which can be similar in size to the laser focal spot, and provides a novel method for direct deposition of patterned materials. | 01-16-2014 |
20140093744 | METHOD FOR DEPOSITING CRYSTALLINE TITANIA NANOPARTICLES AND FILMS - A one-step and room-temperature process for depositing nanoparticles or nanocomposite (nanoparticle-assembled) films of metal oxides such as crystalline titanium dioxide (TiO | 04-03-2014 |
20140161998 | PULSED LASER MICRO-DEPOSITION PATTERN FORMATION - A method of forming patterns on transparent substrates using a pulsed laser is disclosed. Various embodiments include an ultrashort pulsed laser, a substrate that is transparent to the laser wavelength, and a target plate. The laser beam is guided through the transparent substrate and focused on the target surface. The target material is ablated by the laser and is deposited on the opposite substrate surface. A pattern, for example a gray scale image, is formed by scanning the laser beam relative to the target. Variations of the laser beam scan speed and scan line density control the material deposition and change the optical properties of the deposited patterns, creating a visual effect of gray scale. In some embodiments patterns may be formed on a portion of a microelectronic device during a fabrication process. In some embodiments high repetition rate picoseconds and nanosecond sources are configured to produce the patterns. | 06-12-2014 |
20140170476 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ENERGY STORAGE DEVICES AND METHOD FOR MAKING THE SAME - The described embodiments provide an energy storage device that includes a positive electrode including an active material that can store and release ions, a negative electrode including an active material that is a lithiated nano-architectured active material including tin and at least one stress-buffer component, and a non-aqueous electrolyte including lithium. The negative electrode active material is nano-architectured before lithiation. | 06-19-2014 |
20140248531 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ENERGY STORAGE DEVICES AND METHOD FOR MAKING THE SAME - The described embodiments provide an energy storage device that includes a positive electrode including a material that stores and releases ion, a negative electrode including Nb-doped TiO | 09-04-2014 |
20150258631 | Production Of Organic Compound Nanoparticles With High Repetition Rate Ultrafast Pulsed Laser Ablation In Liquids - Disclosed is a method of producing a chemically pure and stably dispersed organic nanoparticle colloidal suspension using an ultrafast pulsed laser ablation process. The method comprises irradiating a target of an organic compound material in contact with a poor solvent with ultrashort laser pulses at a high repetition rate and collecting the nanoparticles of the organic compound produced. The method may be implemented with a high repetition rate ultrafast pulsed laser source, an optical system for focusing and moving the pulsed laser beam, an organic compound target in contact with a poor solvent, and a solvent circulating system to cool the laser focal volume and collect the produced nanoparticle products. By controlling various laser parameters, and with optional poor solvent flow movement, the method provides stable colloids of dispersed organic nanoparticles in the poor solvent in the absence of any stabilizing agents. | 09-17-2015 |
20150280227 | PREDOPING METHOD FOR AN ELECTRODE ACTIVE MATERIAL IN AN ENERGY STORAGE DEVICE, AND ENERGY STORAGE DEVICES - A predoping method for a negative electrode active material of an energy storage device, comprising at least one predoping material that can provide an ion that is different from a primary ionic charge carrier for a charging and discharging process of the energy storage device, called non-primary predoping material. The predoping material may be first included in a predoping electrode and later discharged to the negative electrode active material. The predoping material may be first mixed with the negative electrode active material in an electrode fabrication process, and later made to directly contact the negative electrode active material by adding an electrolyte and removing the protective shells of the predoping material. An ion exchanging method is used to exchange a first ion coming from the predoping material for a second ion in an electrode stack. | 10-01-2015 |
Zhengong Hu, Ann Arbor, MI US
Patent application number | Description | Published |
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20100209700 | METHOD OF PRODUCING COMPOUND NANORODS AND THIN FILMS - A method of producing compound nanorods and thin films under a controlled growth mode is described. The method involves ablating compound targets using an ultrafast pulsed laser and depositing the ablated materials onto a substrate. When producing compound nanorods, external catalysts such as pre-deposited metal nanoparticles are not involved. Instead, at the beginning of deposition, simply by varying the fluence at the focal spot on the target, a self-formed seed layer can be introduced for nanorods growth. This provides a simple method of producing high purity nanorods and controlling the growth mode. Three growth modes are covered by the present invention, including nanorod growth, thin film growth, and nano-porous film growth. | 08-19-2010 |
20110193025 | PRODUCTION OF FINE PARTICLES OF FUNCTIONAL CERAMIC BY USING PULSED LASER - A method of forming nanometer sized fine particles of functional ceramic from a bulk functional ceramic, particularly fine particles of phosphorous ceramics from a bulk phosphor material is disclosed. The method relies on irradiation of a bulk phosphorous ceramic in a liquid with an ultrashort-pulsed-laser-fragmentation beam to thereby form nanometer sized particles of the phosphorous ceramic. The method is unique in that the generated particles retain the chemical and crystalline properties of the bulk phosphorous ceramic. The generated solutions are stable colloids from which the particles can be isolated or used as is. | 08-11-2011 |
20120148756 | METHOD OF PRODUCING COMPOUND NANORODS AND THIN FILMS - A method of producing compound nanorods and thin films under a controlled growth mode is described. The method involves ablating compound targets using an ultrafast pulsed laser and depositing the ablated materials onto a substrate. When producing compound nanorods, external catalysts such as pre-deposited metal nanoparticles are not involved. Instead, at the beginning of deposition, simply by varying the fluence at the focal spot on the target, a self-formed seed layer can be introduced for nanorods growth. This provides a simple method of producing high purity nanorods and controlling the growth mode. Three growth modes are covered by the present invention, including nanorod growth, thin film growth, and nano-porous film growth. | 06-14-2012 |