Patent application number | Description | Published |
20080198453 | Optical polarizer with nanotube array - According to one exemplary embodiment, an optical polarizer positioned before a light source for use in semiconductor wafer lithography includes an array of aligned nanotubes. The array of aligned nanotubes cause light emitted from the light source and incident on the array of aligned nanotubes to be converted into polarized light for use in the semiconductor wafer lithography. The amount of polarization can be controlled by a voltage source coupled to the array of aligned nanotubes. Chromogenic material of a light filtering layer can vary the wavelength of the polarized light transmitted through the array of aligned nanotubes. | 08-21-2008 |
20080239269 | Laser beam formatting module and method for fabricating semiconductor dies using same - According to one exemplary embodiment, a laser beam formatting module for use in a lithographic system to fabricate a semiconductor wafer comprises an aperture plate having, for example, a circular aperture and capable of being situated between a laser source and a target, and a lens assembly, in a light path between the aperture plate and the target. The laser beam formatting module can produce a substantially uniform laser beam intensity across a target during fabrication of a semiconductor wafer in a laser-produced plasma (LPP) lithographic process using, for example, extreme ultraviolet light (EUV). In one embodiment, a laser beam formatting module improves energy conversion efficiency, reduces out-of-band radiation emission, avoids heating of reflective optics, and eliminates the need for an out-of-band radiation filter. | 10-02-2008 |
20080259458 | EUV diffractive optical element for semiconductor wafer lithography and method for making same - According to one exemplary embodiment, an EUV (extreme ultraviolet) optical element in a light path between an EUV light source and a semiconductor wafer includes a reflective film having a number of bilayers. The reflective film includes a pattern, where the pattern causes a change in incident EUV light from the EUV light source, thereby controlling illumination at a pupil plane of an EUV projection optic to form a printed field on the semiconductor wafer. The EUV optical element can be utilized in an EUV lithographic process to fabricate a semiconductor die. | 10-23-2008 |
20090011524 | Method for determining suitability of a resist in semiconductor wafer fabrication - In one disclosed embodiment, the present method for determining resist suitability for semiconductor wafer fabrication comprises forming a layer of resist over a semiconductor wafer, exposing the layer of resist to patterned radiation, and determining resist suitability by using a scatterometry process prior to developing a lithographic pattern on the layer of resist. In one embodiment, the semiconductor wafer is heated in a post exposure bake process after scatterometry is performed. In one embodiment, the patterned radiation is provided by an extreme ultraviolet (EUV) light source in a lithographic process. In other embodiments, patterned radiation is provided by an electron beam, or ion beam, for example. In one embodiment, the present method determines out-gassing of a layer of resist during exposure to patterned radiation. | 01-08-2009 |
Patent application number | Description | Published |
20080211330 | CONTROLLER FOR AC GENERATOR - A control system that can accommodate the wide variations in the output of a generator, such as a permanent magnet alternator, while providing an output with relatively uniform phase ripple. The control system includes a zero crossing detector and variable ramp generator for generating control signals to a switching rectifier to generate a regulated DC signal. | 09-04-2008 |
20090200884 | COMPACT HIGH POWER ALTERNATOR - An apparatus for converting between mechanical and electrical energy, particularly suited for use as a compact high power alternator for automotive use and “remove and replace” retrofitting of existing vehicles. Various aspects of the invention provide a means of significantly increasing the output of permanent magnet alternators while addressing the issues of radial loading applied to a permanent magnet alternator rotor. Another aspect of the invention allows for the production of power in two discrete voltages. An aspect of this invention allows for a marked increase in output capability without increasing axial length through the use of magnetic fringing. One aspect of the invention offers an effective means of mounting a skewed stack that eliminates or reduces cogging that is present in a permanent magnet machine without negatively impacting airflow. Another aspect of the invention reduces cogging by radially offsetting opposing magnets of a dual rotor permanent magnet machine. | 08-13-2009 |
20110025143 | CONTROLLER FOR AC GENERATOR - A control system that can accommodate the wide variations in the output of a generator, such as a permanent magnet alternator, while providing an output with relatively uniform phase ripple. The control system includes a zero crossing detector and variable ramp generator for generating control signals to a switching rectifier to generate a regulated DC signal. | 02-03-2011 |
20110025152 | COMPACT HIGH POWER ALTERNATOR - An apparatus for converting between mechanical and electrical energy, particularly suited for use as a compact high power alternator for automotive use and “remove and replace” retrofitting of existing vehicles. The apparatus comprises a rotor with permanent magnets, a stator with a winding, and a cooling system. Mechanisms to prevent the rotor magnets from clashing with the stator by minimizing rotor displacement, and absorbing unacceptable rotor displacement are disclosed. The cooling system directs coolant flow into thermal contact with at least one of the winding and magnets, and includes at least one passageway through the stator core. Various open and closed cooling systems are described. Cooling is facilitated by, for example, loosely wrapping the winding end turns, use of an asynchronous airflow source, and/or directing coolant through conduits extending through the stator into thermal contact with the windings. | 02-03-2011 |
20120038234 | COMPACT HIGH POWER ALTERNATOR - An apparatus for converting between mechanical and electrical energy, particularly suited for use as a compact high power alternator for automotive use and “remove and replace” retrofitting of existing vehicles. Various aspects of the invention provide a means of significantly increasing the output of permanent magnet alternators while addressing the issues of radial loading applied to a permanent magnet alternator rotor. Another aspect of the invention allows for the production of power in two discrete voltages. An aspect of this invention allows for a marked increase in output capability without increasing axial length through the use of magnetic fringing. One aspect of the invention offers an effective means of mounting a skewed stack that eliminates or reduces cogging that is present in a permanent magnet machine without negatively impacting airflow. Another aspect of the invention reduces cogging by radially offsetting opposing magnets of a dual rotor permanent magnet machine. | 02-16-2012 |
20120105020 | CONTROLLER FOR AC GENERATOR - A control system that can accommodate the wide variations in the output of a generator, such as a permanent magnet alternator, while providing an output with relatively uniform phase ripple. The control system includes a zero crossing detector and variable ramp generator for generating control signals to a switching rectifier to generate a regulated DC signal. | 05-03-2012 |
20120262021 | COMPACT HIGH POWER ALTERNATOR - An apparatus for converting between mechanical and electrical energy, particularly suited for use as a compact high power alternator for automotive use and “remove and replace” retrofitting of existing vehicles. The apparatus comprises a rotor with permanent magnets, a stator with a winding, and a cooling system. Mechanisms to prevent the rotor magnets from clashing with the stator by minimizing rotor displacement, and absorbing unacceptable rotor displacement are disclosed. The cooling system directs coolant flow into thermal contact with at least one of the winding and magnets, and includes at least one passageway through the stator core. Various open and closed cooling systems are described. Cooling is facilitated by, for example, loosely wrapping the winding end turns, use of an asynchronous airflow source, and/or directing coolant through conduits extending through the stator into thermal contact with the windings. | 10-18-2012 |
Patent application number | Description | Published |
20130048265 | VARIABLE TEMPERATURE CHILLER COILS - A chiller coil system for an asymmetric gas turbine filter house includes a plurality of chiller coil modules arranged in a substantially vertical array, each chiller coil module provided with a cooled fluid inlet pipe and a fluid outlet pipe. Each outlet pipe is connected to a common return pipe and at least some of the inlet pipes are connected to the common return pipe. A mixing control valve is provided for controlling an amount of cooling fluid in the common return pipe to be added to at least some of the inlet pipes. | 02-28-2013 |
20130051994 | RETRACTABLE GAS TURBINE INLET COILS - A gas turbine inlet heat exchange coil assembly includes a gas turbine inlet housing formed to include an inlet and an outlet and a flow path therebetween. A plurality of adjacent coils are located in proximity to the inlet, and moveable between a closed operative position where the coils are aligned substantially in a plane so as to maximize resistance to flow along the flow path, and an open inoperative position where said coils are individually rotated substantially 90° such that the coils lie in individual, parallel planes so as to minimize resistance to flow along the flow path. | 02-28-2013 |
20130097990 | ROTARY OIL DEGRADATION BYPRODUCTS REMOVAL SYSTEM - Embodiments of the present disclosure include an oil degradation byproducts removal system. The oil degradation byproducts removal system includes a plurality of electrostatically-charged drum assemblies configured to pass through an oil flow. The oil degradation byproducts removal system is configured to be disposed within an accessory module of a turbine engine system. | 04-25-2013 |
20130098767 | OIL DEGRADATION BYPRODUCTS REMOVAL SYSTEM - Embodiments of the present disclosure include an accessory module for a turbine engine system comprising a lubricating oil reservoir and an oil degradation byproducts removal system. The oil degradation byproducts removal system includes electrostatically-charged collecting plates configured to remove oil degradation byproducts from lubricating oil flowing through the lubricating oil reservoir, wherein the oil degradation byproducts removal system is configured to be disposed internal to the lubricating oil reservoir. | 04-25-2013 |
Patent application number | Description | Published |
20100173528 | Connector Assembly And Related Methods of Use - Connector assemblies for use in wiring/cabling applications are disclosed. The connector assemblies include first and second jack openings that facilitate interaction between plugs that feature contact layouts according to the IEC 60603-7-7 standard. Cable/plug combinations are also provided wherein the cable features shielded twisted pair (STP) fully shielded twisted pair (FTP) and unshielded twisted pair (UTP) wires. The cable/plug interface includes a housing wherein individual wires are brought into electrical communication with electrical contacts that are exposed relative to the exterior of the housing. The electrical contacts are positioned in quadrants of the plug housing, when viewed in cross-section, such that the plug complies with the contact geometry set forth in the IEC 60603-7-7 standard. The cable/plug is generally a preterminated assembly, whereby the plug is pre-mounted to the cable before shipment to an installation location or distribution channel. A pulling eye assembly may be provided that defines a cavity sized and configured to receive the plug housing and a portion of the cable. | 07-08-2010 |
20120064760 | Port Replication Assembly With Adapter Cable and Related Methods of Use - Improved connectors and plug/cable assemblies are provided for use in distributing data. The present disclosure provides for electrical connector assemblies for use with electrical wires/cables (e.g., preterminated wires/cables) that include at least one plug member. More particularly, the present disclosure provides for connector assemblies (e.g., port replication connector assemblies) and associated plugs and cables that are adapted for use in multi-connector panels and with patch panels, e.g., for distributing data to computers and computer networks. | 03-15-2012 |
20130210264 | Cable Assemblies, Methods and Systems - Exemplary embodiments are directed to cable assemblies, methods and systems that generally include a first cable and a second cable. The first cable includes a first elongated cord and a first connector mounted with respect to one end of the first elongated cord. The second cable generally includes a second elongated cord and a second connector mounted with respect to one end of the second elongated cord. The first connector can be disposed in an opposing direction relative to the second connector. The first connector can be positioned adjacent of the second elongated cord and the second connector can be positioned adjacent to the first elongated cord. The cable assemblies generally include at least one coupler element for maintaining the first connector positioned adjacent to the second elongated cord and the second connector positioned adjacent to the first elongated cord. | 08-15-2013 |
20140263815 | Cable Assemblies and Associated Systems and Methods - Exemplary embodiments are directed to cable assemblies that generally include a first cable and a second cable. The first cable includes a first elongated cord defining two ends, a first connector mounted with respect to one end of the first elongated cord, and a first bare cable defining an opposing end of the first elongated cord. The second cable includes a second elongated cord defining two ends, a second connector mounted with respect to one end of the second elongated cord, and a second bare cable defining an opposing end of the second elongated cord. The cable assemblies generally include a coupler element for detachably securing the first cable relative to the second cable with the first bare cable and the second connector in a juxtaposed relation. Exemplary embodiments are also directed to systems and methods of cable assembly packaging and payout. | 09-18-2014 |
Patent application number | Description | Published |
20100110603 | WAFER GROUNDING METHOD FOR ELECTROSTATIC CLAMPS - An electrostatic chuck and method for clamping and de-clamping a workpiece is provided. The ESC comprises a clamping plate having a clamping surface, and one or more electrodes. An electric potential applied to the one or more electrodes selectively clamps the workpiece to the clamping surface. An arc pin operably coupled to the clamping plate and a power source provides an arc for penetrating an insulating layer of the workpiece. The arc pin is selectively connected to an electrical ground, wherein upon removal of the insulative layer of the workpiece, the arc pin provides an electrical ground connection to the workpiece. | 05-06-2010 |
20100110604 | ELECTROSTATIC CHUCK GROUND PUNCH - An electrostatic chuck and method for clamping a workpiece is provided. The ESC comprises a clamping plate having a clamping surface, and one or more electrodes. An electric potential applied to the one or more electrodes selectively clamps the workpiece to the clamping surface. A punch is operably coupled to the clamping plate and an electrical ground, wherein the punch comprises a trigger mechanism and a punch tip. The punch tip translates between extended and retracted positions, wherein a point of the punch tip is proud of the clamping surface when the punch tip is in the extended position. The punch tip is configured to translate toward the clamping surface upon clamping the workpiece to the clamping plate. Upon reaching the retracted position, the trigger mechanism imparts an impact force to the punch tip, forcing the punch tip into the workpiece and providing an electrical ground connection to the workpiece. | 05-06-2010 |
20100142113 | DE-CLAMPING WAFERS FROM AN ELECTROSTATIC CHUCK - One embodiment of the present invention relates to a method for declamping a semiconductor wafer that is electrically adhered to a surface of an electrostatic chuck by a clamping voltage. In this method, the clamping voltage is deactivated. For a time following the deactivation, a first region of the wafer is lifted an first distance from the surface of the electrostatic chuck while a second region of the wafer remains adhered to the surface of the electrostatic chuck. A predetermined condition is monitored during the time. The second region is lifted from the surface of the electrostatic chuck when the predetermined condition is met. | 06-10-2010 |
20100142114 | ELECTROSTATIC CHUCK WITH COMPLIANT COAT - The present invention is directed to an electrostatic chuck (ESC) with a compliant layer formed from TT-Kote® and a method of forming a clamping plate for an ESC. The ESC comprises a compliant layer having a low friction surface for reducing or eliminating particulates generated from thermal expansion. The method comprises forming a clamping member for a substrate comprising a ceramic material and a ceramic surface, and coating the ceramic surface with a compliant layer comprising an organic silicide or TT-Kote®. | 06-10-2010 |
20100171044 | Vapor Compression Refridgeration Chuck for Ion Implanters - Aspects of the present invention relate to ion implantation systems that make use of a vapor compression cooling system. In one embodiment, a thermal controller in the vapor compression system sends refrigeration fluid though a compressor and a condenser according to an ideal vapor compression cycle to help limit or prevent undesired heating of a workpiece during implantation, or to actively cool the workpiece. | 07-08-2010 |
20100187447 | NON-CONDENSING THERMOS CHUCK - The present invention is directed to an apparatus and method of forming a thermos layer surrounding a chuck for holding a wafer during ion implantation. The thermos layer is located below a clamping surface, and comprises a vacuum gap and an outer casing encapsulating the vacuum gap. The thermos layer provides a barrier blocking condensation to the outside of the chuck within a process chamber by substantially preventing heat transfer between the chuck when it is cooled and the warmer environment within the process chamber. | 07-29-2010 |
Patent application number | Description | Published |
20090096629 | REUSABLE, HERMETIC, MEDICAL GRADE RFID TAG - An RFID tag includes a circuit board assembly having a circuit board, an RFID circuit, an antenna, and a metallic ground plane. The circuit board has a first side and a second side. The circuit board carries the antenna on the first side and the ground plane on the second side. The RFID circuit is coupled with each of the antenna and the ground plane. A backplane is coupled with the ground plane, on a side of the ground plane opposite the circuit board. An overmolded housing surrounds and hermetically seals the circuit board assembly. The housing is comprised of a material which is both autoclavable and has a low dielectric constant of between approximately 1 to 5. | 04-16-2009 |
20100090004 | SYSTEM AND METHOD FOR INVENTORY MANAGEMENT OF MEDICAL ASSETS - A system for identification, tracking and management of medical assets, includes a plurality of RFID tagged medical assets, and a completely networked supply chain. The supply chain includes at least one end user location; at least one distributor location; an offsite data management system; a plurality of RFID readers; and at least one data network. Each RFID reader is interspersed at a respective location throughout the networked supply chain and configured to electronically read data from the plurality of RFID tagged medical assets. The one or more data networks interconnect each end user location, each distributor location, and the offsite data management system. The one or more data networks provide real time information from at least one of the plurality of RFID readers to the offsite data management system concerning a current attribute associated with at least one of the RFID tagged medical assets. | 04-15-2010 |
20110169608 | METHOD OF OPERATING AN RFID READER IN AN RFID SYSTEM - A method of operating a Radio Frequency Identification (RFID) reader used in an RFID system for use with a device includes the steps of: providing that the RFID system includes the RFID reader and an RFID tag, the RFID tag being attached to the device; controlling dynamically the RFID reader; monitoring constantly a plurality of outputs of the RFID reader; and determining, dependent on the steps of controlling and monitoring, whether the RFID reader senses the RFID tag in an actual location of the RFID tag. | 07-14-2011 |
Patent application number | Description | Published |
20130088194 | OVERHEAD POWER TRANSFER SYSTEM - The present invention relates to a charging station for charging a plurality of vehicles and methods of charging energy storage systems within a plurality of vehicles. A charging station for charging a plurality of vehicles each with a receiver coil located on top of a vehicle, includes: a first and second support structures, an overhead track stretching between the first and second support structures, a movable carriage on the overhead track, the carriage including a transmitter coil located at a position under the carriage for transferring power to the receiver coils of the plurality of vehicles when they are parked under the overhead track and an inductive power transfer module connected to the transmitter coil, and a motorized transport mechanism for moving the carriage along the tracks and positioning the carriage over any selectable one of the plurality of vehicles. | 04-11-2013 |
20130093265 | MINIMIZATION OF TORQUE RIPPLE - An electric motor including: a first and second linear actuator, each linear actuator including a first and second coil respectively, a rotational shaft, a cam assembly mounted on the rotational shaft for translating linear movement of the two linear actuators to rotational movement of the rotational shaft, a controller programmed to generate during operation a first and second drive signal for first coil and second coil respectively, wherein the first drive signal causes the first linear actuator to generate a first torque on the rotational shaft that varies periodically over a complete rotation of the shaft and the second drive signal causes the second linear actuator to generate a second torque on the rotational shaft that varies periodically over a complete rotation of the shaft, and wherein the sum of the first and second torques produces a total torque that is substantially constant throughout the complete rotation of the shaft. | 04-18-2013 |
20130330577 | DYNAMIC PRESSURE CONTROL IN A BATTERY ASSEMBLY - Operating a battery assembly that includes one or more rechargeable battery cells includes: monitoring one or more operational parameters of the battery cells; and dynamically controlling pressure applied to the one or more battery cells based at least in part on one or more of the monitored operational parameters. | 12-12-2013 |
Patent application number | Description | Published |
20120098481 | Apparatus and Method for Rapidly Charging Batteries - An apparatus and methods for ultra-fast charging one or more batteries, including, for example, lithium ion batteries. A charging current is determined by optimization of a model based on functions of a set of internal state variables associated with a battery, and a set of model parameters or nonparametric data characterizing the battery. Instantaneous internal state variables are determined, and an optimized charging current is applied to the battery subject to a set of battery-specific constraints. Internal state variables are updated recursively based on behavior of the battery under charge as well as the behavior, stored in a database, or acquired via a network, of cognate batteries. | 04-26-2012 |
20140167704 | NONLINEAR SYSTEM IDENTIFICATION FOR OBJECT DETECTION IN A WIRELESS POWER TRANSFER SYSTEM - A method of detecting whether a foreign object is near a transmit coil in a wireless power transfer system (WPTS), the method involving: applying a pseudo-random signal to the transmit coil; while the pseudo-random signal is being applied to the transmit coil, recording one or more signals produced within the WPTS in response to the applied pseudo-random signal; by using the one or more recorded signals, generating a dynamic system model for some aspect of the WPTS; and using the generated dynamic system model in combination with stored training data to determine whether an object having characteristics recognizable from the stored training data as characteristic of the foreign object is near the transmit coil. | 06-19-2014 |
20140172338 | NONLINEAR SYSTEM IDENTIFICATION FOR OPTIMIZATION OF WIRELESS POWER TRANSFER - A method of detecting whether a receiver coil is near a transmit coil in a wireless power transfer system (WPTS), the method involving: applying a pseudo-random signal to the transmit coil; while the pseudo-random signal is being applied to the transmit coil, recording one or more signals produced within the WPTS in response to the applied pseudo-random signal; by using the one or more recorded signals, generating a dynamic system model for some aspect of the WPTS; and using the generated dynamic system model in combination with stored training data to determine whether an object having characteristics distinguishing the object as a receiver coil is near the transmit coil. | 06-19-2014 |