Patents by Inventor Pradyumna Kumar Swain
Pradyumna Kumar Swain has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10314120Abstract: A system for powering a dual magnetron with a dual power supply is disclosed. A first power supply supplies a first voltage to a first magnetron. A second power supply supplies a second voltage to a second magnetron. A balancer circuit controls a drive current for altering a magnetic field of the first magnetron and a magnetic field of the second magnetron to maintain the first voltage and the second voltage at a substantially equal voltage.Type: GrantFiled: May 3, 2016Date of Patent: June 4, 2019Assignee: Heraeus Noblelight America LLCInventors: Mahmood Gharagozloo, Ta Hai Yeh, Pradyumna Kumar Swain
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Patent number: 9988219Abstract: A metal container conveyor system is provided. The metal container conveyor system includes (i) a conveyor body for moving metal containers, and (ii) at least one diverter mechanism configured to change a width of a portion of the conveyor body.Type: GrantFiled: April 3, 2017Date of Patent: June 5, 2018Assignee: Heraeus Noblelight America LLCInventors: John W. Clark, Travis Peter Steinmetz, Pradyumna Kumar Swain
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Publication number: 20170283186Abstract: A metal container conveyor system is provided. The metal container conveyor system includes (i) a conveyor body for moving metal containers, and (ii) at least one diverter mechanism configured to change a width of a portion of the conveyor body.Type: ApplicationFiled: April 3, 2017Publication date: October 5, 2017Inventors: John W. Clark, Travis Peter Steinmetz, Pradyumna Kumar Swain
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Patent number: 9706609Abstract: A light-emitting source for curing applications is disclosed. The light-emitting source comprises a first housing having a top wall and one or more side walls. The top wall and the one or more side walls define a first enclosure having a first open end. The light-emitting source further comprises a plurality of light-emitting devices arranged within the first enclosure of the first housing. One side of each of the plurality of light-emitting devices faces outward from the first open end of the first enclosure. The plurality of light-emitting devices is configured to emit light from the first open end to produce a substantially uniform area of illumination on a facing portion of a surface of a target.Type: GrantFiled: September 5, 2014Date of Patent: July 11, 2017Assignee: Heraeus Noblelight America LLCInventors: Darrin Leonhardt, Pradyumna Kumar Swain
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Patent number: 9613792Abstract: An elongated light source envelope is disclosed. The elongated light source comprises an inner wall and an outer wall formed around a longitudinal axis. The inner wall and the outer wall may be connected at a first axial end by a first side wall and a second axial end by a second side wall. The inner wall, outer wall, the first side wall, and the second side wall define an enclosed space internal to the envelope. The light source envelope further comprises one or more walls formed between the inner wall and the outer wall to further form at least a first enclosed region and a second enclosed region within the enclosed space. The first enclosed region may be configured to emit a different spectrum of ultraviolet radiation from the second enclosed region in response to excitation of the first enclosed region and the second enclosed region by microwave radiation.Type: GrantFiled: March 13, 2014Date of Patent: April 4, 2017Assignees: Heraeus Noblelight America LLC, Consiglio Nazionale Delle RicercheInventors: Andrew David Paul Harbourne, Pradyumna Kumar Swain, Iginio Longo, Carlo Ferrari
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Patent number: 9520441Abstract: A method for fabricating a back-illuminated imager which has a pinned back surface is disclosed. A first insulator layer is formed overlying a mechanical substrate. A conductive layer is deposited overlying the first insulator layer. A second insulator layer is formed overlying the conductive layer to form a first structure, an interface being formed between the conductive layer and the second insulator layer, the conductive layer causing band bending proximal to the interface such that the interface is electrically pinned. Hydrogen is implanted in a separate device wafer to form a bubble layer. A final insulator layer is formed overlying the device wafer to form a second structure. The first structure and the second structure are bonded to form a combined wafer. A portion of the combined wafer is removed underlying the bubble layer to expose a seed layer comprising the semiconductor material substantially overlying the second insulator layer.Type: GrantFiled: May 15, 2009Date of Patent: December 13, 2016Assignee: SRI INTERNATIONALInventors: Pradyumna Kumar Swain, David Jay Cheskis, Mahalingam Bhaskaran
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Publication number: 20160249417Abstract: A system for powering a dual magnetron with a dual power supply is disclosed. A first power supply supplies a first voltage to a first magnetron. A second power supply supplies a second voltage to a second magnetron. A balancer circuit controls a drive current for altering a magnetic field of the first magnetron and a magnetic field of the second magnetron to maintain the first voltage and the second voltage at a substantially equal voltage.Type: ApplicationFiled: May 3, 2016Publication date: August 25, 2016Inventors: Mahmood Gharagozloo, Ta Hai Yeh, Pradyumna Kumar Swain
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Patent number: 9363853Abstract: A system and method for powering a dual magnetron with a dual power supply is disclosed. A first power supply supplies a first voltage to a first magnetron. A second power supply supplies a second voltage to a second magnetron. A balancer circuit controls a drive current for altering a magnetic field of the first magnetron and a magnetic field of the second magnetron to maintain the first voltage and the second voltage at a substantially equal voltage.Type: GrantFiled: July 30, 2013Date of Patent: June 7, 2016Assignee: Heraeus Noblelight America LLCInventors: Mahmood Gharagozloo, Ta Hai Yeh, Pradyumna Kumar Swain
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Patent number: 9064681Abstract: A UV lamp includes a UV lamp unit including a tubular bulb and an antenna inserted in the tubular bulb, and an antenna lead for supplying microwave energy from a microwave energy source to the UV lamp unit. The antenna lead includes a bent portion, one end of which is connected to the antenna and the other end is connectable to the microwave energy source.Type: GrantFiled: March 15, 2013Date of Patent: June 23, 2015Assignees: HERAEUS NOBLELIGHT AMERICA LLC, CONSIGLIO NAZIONALE DELLE RICERCHE (CNR)Inventors: Pradyumna Kumar Swain, Andrew David Paul Harbourne, Iginio Longo, Carlo Ferrari
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Publication number: 20150069272Abstract: A light-emitting source for curing applications is disclosed. The light-emitting source comprises a first housing having a top wall and one or more side walls. The top wall and the one or more side walls define a first enclosure having a first open end. The light-emitting source further comprises a plurality of light-emitting devices arranged within the first enclosure of the first housing. One side of each of the plurality of light-emitting devices faces outward from the first open end of the first enclosure. The plurality of light-emitting devices is configured to emit light from the first open end to produce a substantially uniform area of illumination on a facing portion of a surface of a target.Type: ApplicationFiled: September 5, 2014Publication date: March 12, 2015Inventors: Darrin Leonhardt, Pradyumna Kumar Swain
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Publication number: 20140265830Abstract: A UV lamp includes a UV lamp unit including a tubular bulb and an antenna inserted in the tubular bulb, and an antenna lead for supplying microwave energy from a microwave energy source to the UV lamp unit.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicants: CONSIGLIO NAZIONALE DELLE RICERCHE, HERAEUS NOBLELIGHT FUSION UV INC.Inventors: Pradyumna Kumar SWAIN, Andrew David Paul HARBOURNE, Iginio LONGO, Carlo FERRARI
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Publication number: 20140263291Abstract: A system and method for powering a dual magnetron with a dual power supply is disclosed. A first power supply supplies a first voltage to a first magnetron. A second power supply supplies a second voltage to a second magnetron. A balancer circuit controls a drive current for altering a magnetic field of the first magnetron and a magnetic field of the second magnetron to maintain the first voltage and the second voltage at a substantially equal voltage.Type: ApplicationFiled: July 30, 2013Publication date: September 18, 2014Applicant: Heraeus Noblelight Fusion UV Inc.Inventors: Mahmood Gharagozloo, Ta Hai Yeh, Pradyumna Kumar Swain
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Publication number: 20140265831Abstract: An elongated light source envelope is disclosed. The elongated light source comprises an inner wall and an outer wall formed around a longitudinal axis. The inner wall and the outer wall may be connected at a first axial end by a first side wall and a second axial end by a second side wall. The inner wall, outer wall, the first side wall, and the second side wall define an enclosed space internal to the envelope. The light source envelope further comprises one or more walls formed between the inner wall and the outer wall to further form at least a first enclosed region and a second enclosed region within the enclosed space. The first enclosed region may be configured to emit a different spectrum of ultraviolet radiation from the second enclosed region in response to excitation of the first enclosed region and the second enclosed region by microwave radiation.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Heraeus Noblelight Fusion UV Inc.Inventors: Andrew David Paul Harbourne, Pradyumna Kumar Swain, Iginio Longo, Carlo Ferrari
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Patent number: 8785868Abstract: An “intelligent” UV curing assembly is disclosed. The “intelligent” assembly permits automated monitoring of performance parameters, part lifetime, and inventory control of internal parts. The “intelligent” assembly includes an on lamp microprocessor. The on lamp microprocessor may be configured to recognize the internal parts, record accumulated working time of each part, and sample and process data from the plurality of “intelligent” sensors.Type: GrantFiled: November 19, 2012Date of Patent: July 22, 2014Assignee: Heraeus Noblelight Fusion UV Inc.Inventors: Yixin Yang, William E. Johnson, III, Pradyumna Kumar Swain, Michael Kenneth West, Charles Hudson Wood, David Xu, Darrin Leonhardt, Mahmood Gharagozloo
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Publication number: 20140138550Abstract: An “intelligent” UV curing assembly is disclosed. The “intelligent” assembly permits automated monitoring of performance parameters, part lifetime, and inventory control of internal parts. The “intelligent” assembly includes an on lamp microprocessor. The on lamp microprocessor may be configured to recognize the internal parts, record accumulated working time of each part, and sample and process data from the plurality of “intelligent” sensors.Type: ApplicationFiled: November 19, 2012Publication date: May 22, 2014Applicant: FUSION UV SYSTEMSInventors: Yixin Yang, William E. Johnson, III, Pradyumna Kumar Swain, Michael Kenneth West, Charles Hudson Wood, David Xu, Darrin Leonhardt, Mahmood Gharagozloo
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Patent number: 8507884Abstract: A light source having a substantially elliptical cross-section for UV curing lamp assemblies is disclosed. The light source has a pair of end sections and a central section of smaller diameter than the end sections. The end sections are each connected to the central section by a tapered section the diameter of each of which decreases from an end that mates with an end section toward an end that mates with the central section. Each of the end sections has a substantially elliptical cross-section. The central section and the tapered sections may have a substantially elliptical cross-section. The aspect ratio of the elliptical cross-section of the end sections and the central section of the light source is preferably about 2:1.Type: GrantFiled: January 5, 2012Date of Patent: August 13, 2013Assignee: Heraeus Noblelight Fusion UV Inc.Inventors: Pradyumna Kumar Swain, Darrin Leonhardt, David Allen Sprankle, Charles H. Wood
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Publication number: 20120168648Abstract: A light source having a substantially elliptical cross-section for UV curing lamp assemblies is disclosed. The light source has a pair of end sections and a central section of smaller diameter than the end sections. The end sections are each connected to the central section by a tapered section the diameter of each of which decreases from an end that mates with an end section toward an end that mates with the central section. Each of the end sections has a substantially elliptical cross-section. The central section and the tapered sections may have a substantially elliptical cross-section. The aspect ratio of the elliptical cross-section of the end sections and the central section of the light source is preferably about 2:1.Type: ApplicationFiled: January 5, 2012Publication date: July 5, 2012Inventors: Pradyumna Kumar SWAIN, Darrin LEONHARDT, David Allen SPRANKLE, Charles H. WOOD
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Publication number: 20120119183Abstract: The present invention provides for a fabrication of an integrated THz source. The fabrication includes integrating a field emitter array (FEA) with a grating by utilizing micro-electromechanical system (MEMS) and grating fabrication methods to build the FEA device upon a moveable surface that can be rotated perpendicular to the other, and locked into alignment or alternately finely adjusted.Type: ApplicationFiled: August 1, 2007Publication date: May 17, 2012Inventors: Boris G. Kharas, Robert Amantea, Pradyumna Kumar Swain
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Patent number: 8178914Abstract: A method for fabricating a back-illuminated semiconductor imaging device on a semiconductor-on-insulator substrate is disclosed. The substrate includes an insulator layer and an epitaxial layer overlying the insulator layer. A bond pad region is formed extending into the epitaxial layer to a surface of the insulator layer. A bond pad is fabricated partially overlying the bond pad region. At least one imaging component is fabricated partially overlying and extending into the epitaxial layer. A passivation layer is fabricated overlying the epitaxial layer, the bond pad, and the at least one imaging component. A handle wafer is bonded to the passivation layer. A portion of the insulator layer and a portion of the bond pad region is etched to expose a portion of the bond pad.Type: GrantFiled: October 15, 2009Date of Patent: May 15, 2012Assignee: SRI InternationalInventors: Peter Alan Levine, Pradyumna Kumar Swain, Mahalingam Bhaskaran
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Patent number: 7985612Abstract: A method and resulting device for reducing crosstalk in a back-illuminated imager is disclosed, comprising providing a substrate comprising an insulator layer and a seed layer substantially overlying the insulator layer, an interface being formed where the seed layer comes in contact with the insulator layer; forming an epitaxial layer substantially overlying the seed layer, the epitaxial layer defining plurality of pixel regions, each pixel region outlining a collection well for collecting charge carriers; and forming one of an electrical, optical, and electrical and optical barrier about the outlined collection well extending into the epitaxial layer to the interface between the seed layer and the insulator layer.Type: GrantFiled: June 4, 2008Date of Patent: July 26, 2011Assignee: SRI InternationalInventors: Pradyumna Kumar Swain, Mahalingam Bhaskaran