Patent application number | Description | Published |
20080283743 | Method and system for non-destructive distribution profiling of an element in a film - A method to determine a distribution profile of an element in a film. The method comprises exciting an electron energy of an element deposited in a first film, obtaining a first spectrum associating with the electron energy, and removing a background spectrum from the first spectrum. Removing the background value generates a processed spectrum. The method further includes matching the processed spectrum to a simulated spectrum with a known simulated distribution profile for the element in a film comparable to the first film. A distribution profile is obtained for the element in the first film based on the matching of the processed spectrum to a simulated spectrum selected from the set of simulated spectra. | 11-20-2008 |
20110144787 | METHOD AND SYSTEM FOR NON-DESTRUCTIVE DISTRIBUTION PROFILING OF AN ELEMENT IN A FILM - A method to determine a distribution profile of an element in a film. The method comprises exciting an electron energy of an element deposited in a first film, obtaining a first spectrum associating with the electron energy, and removing a background spectrum from the first spectrum. Removing the background value generates a processed spectrum. The method further includes matching the processed spectrum to a simulated spectrum with a known simulated distribution profile for the element in a film comparable to the first film. A distribution profile is obtained for the element in the first film based on the matching of the processed spectrum to a simulated spectrum selected from the set of simulated spectra. | 06-16-2011 |
20120318974 | METHOD AND SYSTEM FOR NON-DESTRUCTIVE DISTRIBUTION PROFILING OF AN ELEMENT IN A FILM - A method to determine a distribution profile of an element in a film. The method comprises exciting an electron energy of an element deposited in a first film, obtaining a first spectrum associating with the electron energy, and removing a background spectrum from the first spectrum. Removing the background value generates a processed spectrum. The method further includes matching the processed spectrum to a simulated spectrum with a known simulated distribution profile for the element in a film comparable to the first film. A distribution profile is obtained for the element in the first film based on the matching of the processed spectrum to a simulated spectrum selected from the set of simulated spectra. | 12-20-2012 |
20140070096 | METHOD AND SYSTEM FOR NON-DESTRUCTIVE DISTRIBUTION PROFILING OF AN ELEMENT IN A FILM - A method to determine a distribution profile of an element in a film. The method comprises exciting an electron energy of an element deposited in a first film, obtaining a first spectrum associating with the electron energy, and removing a background spectrum from the first spectrum. Removing the background value generates a processed spectrum. The method further includes matching the processed spectrum to a simulated spectrum with a known simulated distribution profile for the element in a film comparable to the first film. A distribution profile is obtained for the element in the first film based on the matching of the processed spectrum to a simulated spectrum selected from the set of simulated spectra. | 03-13-2014 |
20150069230 | METHOD AND SYSTEM FOR NON-DESTRUCTIVE DISTRIBUTION PROFILING OF AN ELEMENT IN A FILM - A method to determine a distribution profile of an element in a film. The method comprises exciting an electron energy of an element deposited in a first film, obtaining a first spectrum associating with the electron energy, and removing a background spectrum from the first spectrum. Removing the background value generates a processed spectrum. The method further includes matching the processed spectrum to a simulated spectrum with a known simulated distribution profile for the element in a film comparable to the first film. A distribution profile is obtained for the element in the first film based on the matching of the processed spectrum to a simulated spectrum selected from the set of simulated spectra. | 03-12-2015 |
Patent application number | Description | Published |
20090268877 | METHOD AND SYSTEM FOR CALIBRATING AN X-RAY PHOTOELECTRON SPECTROSCOPY MEASUREMENT - A method and a system for calibrating an X-ray photoelectron spectroscopy (XPS) measurement are described. The method includes using an X-ray beam to generate an XPS signal from a sample and normalizing the XPS signal with a measured or estimated flux of the X-ray beam. The system includes an X-ray source for generating an X-ray beam and a sample holder for positioning a sample in a pathway of the X-ray beam. A detector is included for collecting an XPS signal generated by bombarding the sample with the X-ray beam. Also included are a flux detector for determining a measured or estimated flux of the X-ray beam and a computing system for normalizing the XPS signal with the measured or estimated flux of the X-ray beam. | 10-29-2009 |
20130077742 | SYSTEM AND METHOD FOR CHARACTERIZING A FILM BY X-RAY PHOTOELECTRON AND LOW-ENERGY X-RAY FLUORESCENCE SPECTROSCOPY - Systems and methods for characterizing films by X-ray photoelectron spectroscopy (XPS) are disclosed. For example, a system for characterizing a film may include an X-ray source for generating an X-ray beam having an energy below the k-edge of silicon. A sample holder may be included for positioning a sample in a pathway of the X-ray beam. A first detector may be included for collecting an XPS signal generated by bombarding the sample with the X-ray beam. A second detector may be included for collecting an X-ray fluorescence (XRF) signal generated by bombarding the sample with the X-ray beam. Monitoring/estimation of the primary X-ray flux at the analysis site may be provided by X-ray flux detectors near and at the analysis site. Both XRF and XPS signals may be normalized to the (estimated) primary X-ray flux to enable film thickness or dose measurement without the need to employ signal intensity ratios. | 03-28-2013 |
20150052723 | Methods and Systems for Fabricating Platelets of a Monochromator for X-ray Photoelectron Spectroscopy - Methods and systems for fabricating platelets of a monochromator for X-ray photoelectron spectroscopy (XPS) are disclosed. For example, a method of fabricating a platelet of a monochromator for X-ray photoelectron spectroscopy involves placing a crystal on a stage of an X-ray measuring apparatus, the crystal having a top surface. The method also involves measuring, by X-ray reflection, an orientation of a crystal plane of the crystal, the crystal plane beneath the top surface of the crystal and having a primary axis. The method also involves measuring a surface angle of the top surface of the crystal by measuring a light beam reflected from the top surface of the crystal. | 02-26-2015 |
20150204802 | METHODS AND SYSTEMS FOR MEASURING PERIODIC STRUCTURES USING MULTI-ANGLE X-RAY REFLECTANCE SCATTEROMETRY (XRS) - Methods and systems for measuring periodic structures using multi-angle X-ray reflectance scatterometry (XRS) are disclosed. For example, a method of measuring a sample by X-ray reflectance scatterometry involves impinging an incident X-ray beam on a sample having a periodic structure to generate a scattered X-ray beam, the incident X-ray beam simultaneously providing a plurality of incident angles and a plurality of azimuthal angles. The method also involves collecting at least a portion of the scattered X-ray beam. | 07-23-2015 |
Patent application number | Description | Published |
20110155111 | EXHAUST GAS RECIRCULATION SYSTEM FOR A LOCOMOTIVE TWO-STROKE UNIFLOW SCAVENGED DIESEL ENGINE - A locomotive two-stroke uniflow scavenged diesel engine system including an exhaust gas recirculation (EGR) system is described for reducing NO | 06-30-2011 |
20160090901 | COMPRESSOR INLET RECIRCULATION SYSTEM FOR A TURBOCHARGER - A compressor inlet recirculation system is disclosed. The compressor inlet recirculation system may have a compressor housing. The compressor inlet recirculation system may also have a compressor impeller disposed within the compressor housing. The compressor inlet recirculation system may further have an inlet flow guide attached to the compressor housing. The inlet flow guide may be configured to direct air to the compressor impeller. The inlet flow guide may have an inlet slot and an outlet slot spaced axially from the inlet slot. The compressor inlet recirculation system may also have an annular air passage extending between the inlet slot and the outlet slot. | 03-31-2016 |
20160090902 | ENGINE SYSTEM FOR EMISSIONS COMPLIANCE - An engine system is disclosed. The engine system may have an engine having an accessory end and a drive end opposite the accessory end. The engine system may also have a turbocharger arrangement located adjacent the accessory end. The turbocharger arrangement may be configured to receive exhaust from the engine and to deliver compressed air to the air cooling arrangement. Further, the engine system may have an air cooling arrangement located adjacent the accessory end and configured to deliver fresh air to the engine. In addition, the engine system may have a mixing duct extending from the accessory end to the drive end and configured to receive the exhaust from the turbocharger arrangement. The engine system may also have an after-treatment system located adjacent the drive end. The after-treatment system may be configured to receive the exhaust from the mixing duct and to discharge the exhaust to an ambient. | 03-31-2016 |
20160090948 | AIR INTAKE SYSTEM FOR AN ENGINE - An air intake system is disclosed. The air intake system may have an air box. The air box may be configured to receive air from an ambient. The air intake system may also have a filter assembly disposed within the air box. The filter assembly may be configured to clean the air. In addition, the air intake system may have a duct. The duct may have a first duct end configured to receive the air exiting the filter assembly. The duct may also have a second duct end configured to deliver the air to the engine. The second duct end may be located at a gravitationally higher position than the first duct end. | 03-31-2016 |
20160097293 | COMPRESSOR SEAL ASSEMBLY FOR A TURBOCHARGER - A compressor seal assembly is disclosed. The compressor seal assembly may have a seal ring having a seal ring bore. The compressor seal assembly may also have a collar. The collar may have a cap portion having a first bore configured to receive an impeller. The cap portion may be disposed in the seal ring bore. The collar may further have a journal portion having a second bore configured to receive a shaft connectable to the impeller. The collar may also have a slinger disposed between the cap portion and the journal portion. The slinger may have a generally cylindrical shape and may have a front face. The slinger may also have a rear face opposite the front face. Further, the slinger may have a cylindrical side surface extending between the front face and the rear face. In addition, the slinger may have a groove disposed on the side surface. | 04-07-2016 |
20160097302 | TURBINE BEARING AND SEAL ASSEMBLY FOR A TURBOCHARGER - A turbine bearing and seal assembly is disclosed. The turbine bearing and seal assembly may have a turbine cartridge. The turbine cartridge may have a compressor end and a turbine end opposite the compressor end. The turbine bearing and seal assembly may also have a bearing attached to the turbine cartridge. The bearing may be disposed between the compressor end and the turbine end. The turbine bearing and seal assembly may further have a seal collar attachable to a shaft. The seal collar may be disposed within the turbine cartridge adjacent the turbine end. | 04-07-2016 |
Patent application number | Description | Published |
20140318119 | COOLING ASSEMBLY HAVING MULTIPLE COOLERS - A cooling assembly having multiple coolers is disclosed. The cooling assembly may include a housing at least partially defining a first chamber and a second chamber adjacent to the first chamber and substantially isolated from the first chamber. The housing may also at least partially define first and second inlets configured to direct air into the first chamber in parallel, and first and second outlets configured to direct air out of the second chamber in parallel. The cooling assembly may also include a first cooler disposed in the first chamber, and a second cooler disposed in the second chamber. | 10-30-2014 |
20140318120 | AIR HANDLING SYSTEM HAVING COOLING ASSEMBLY - An air handling system having a cooling assembly is disclosed. The air handling system may include a first turbocharger having a first compressor, a second turbocharger having a second compressor connected in parallel with the first compressor, and a third turbocharger fluidly connected to the first and second turbochargers. The third turbocharger may have a third compressor connected downstream of the first and second compressors. The air handling system may also include a cooling assembly connected to the first, second, and third turbochargers. The air handling system may further include a first passage fluidly connecting the first turbocharger to a first side surface of the cooling assembly, and a second passage fluidly connecting the second turbocharger to a second side surface of the cooling assembly opposite the first side surface. The first and second passages may be configured to direct compressed air into the cooling assembly in generally opposite directions. | 10-30-2014 |
20150013332 | SYSTEM HAVING DUAL-VOLUTE AXIAL TURBINE TURBOCHARGER - A turbocharger is disclosed for use with an engine system. The turbocharger may have a housing at least partially defining a compressor shroud and a turbine shroud. The turbine shroud may form a first volute and a second volute, each having an inlet configured to receive exhaust from an exhaust manifold of the engine in a tangential direction, and an axial channel disposed downstream of the inlet. The turbocharger may also have a turbine wheel disposed within the turbine shroud and configured to receive exhaust from the axial channels of the first and second volutes, a compressor wheel disposed within the compressor shroud, and a shaft connecting the turbine wheel to the compressor wheel. The turbocharger may further have a nozzle ring in fluid communication with the axial channels of the first and second volutes at a location upstream of the turbine wheel. | 01-15-2015 |