Patents by Inventor Xi Chu
Xi Chu 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: 8808457Abstract: A tool for depositing multilayer coatings onto a substrate. The tool includes a housing defining a vacuum chamber connected to a vacuum source, deposition stations each configured to deposit a layer of multilayer coating on the substrate, a curing station, and a contamination reduction device. At least one of the deposition stations is configured to deposit an inorganic layer, while at least one other deposition station is configured to deposit an organic layer. In one tool configuration, the substrate may travel back and forth through the tool as many times as needed to achieve the desired number of layers of multilayer coating. In another, the tool may include numerous housings adjacently spaced such that the substrate may make a single unidirectional pass. The contamination reduction device may be configured as one or more migration control chambers about at least one of the deposition stations, and further includes cooling devices, such as chillers, to reduce the presence of vaporous layer precursors.Type: GrantFiled: April 11, 2003Date of Patent: August 19, 2014Assignee: Samsung Display Co., Ltd.Inventors: John Chris Pagano, Kenneth Jeffrey Nelson, Paul E. Burrows, Mark Edward Gross, Mac R. Zumhoff, Peter Maclyn Martin, Charles C. Bonham, Gordon Lee Graff, Lorenza Moro, Xi Chu
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Publication number: 20140037845Abstract: A tool for depositing multilayer coatings onto a substrate. The tool includes a housing defining a vacuum chamber connected to a vacuum source, deposition stations each configured to deposit a layer of multilayer coating on the substrate, a curing station, and a contamination reduction device. At least one of the deposition stations is configured to deposit an inorganic layer, while at least one other deposition station is configured to deposit an organic layer. In one tool configuration, the substrate may travel back and forth through the tool as many times as needed to achieve the desired number of layers of multilayer coating. In another, the tool may include numerous housings adjacently spaced such that the substrate may make a single unidirectional pass. The contamination reduction device may be configured as one or more migration control chambers about at least one of the deposition stations, and further includes cooling devices, such as chillers, to reduce the presence of vaporous layer precursors.Type: ApplicationFiled: October 9, 2013Publication date: February 6, 2014Applicant: Samsung Display Co., Ltd.Inventors: Charles C. Bonham, Paul E. Burrows, Xi Chu, Gordon Lee Graff, Mark Edward Gross, Peter Maclyn Martin, Lorenza Moro, Kenneth Jeffrey Nelson, John Chris Pagano, Mac R. Zumhoff
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Publication number: 20130337186Abstract: The present invention provides a reactor and a method for the production of high purity silicon granules. The reactor includes a reactor chamber; and the reaction chamber is equipped with a solid feeding port, auxiliary gas inlet, raw material gas inlet, and exhaust gas export. The reaction chamber is also equipped with an internal gas distributor; a heating unit; an external exhaust gas processing unit connected between a preheating unit and a gas inlet. The reaction chamber is further equipped with a surface finishing unit, a heating unit and a dynamics generating unit. The reaction is through decomposition of silicon-containing gas in densely stacked high purity granular silicon layer reaction bed in relative motion, and to use remaining heat of exhaust gas for reheating. The present invention achieves a large scale, efficient, energy saving, continuous, low cost production of high purity silicon granules.Type: ApplicationFiled: August 17, 2013Publication date: December 19, 2013Inventor: Xi Chu
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Publication number: 20130336845Abstract: The present invention provides a reactor and a method for the production of high purity silicon granules. The reactor includes a reactor chamber; and the reaction chamber is equipped with a solid feeding port, auxiliary gas inlet, raw material gas inlet, and exhaust gas export. The reaction chamber is also equipped with an internal gas distributor; a heating unit; an external exhaust gas processing unit connected between a preheating unit and a gas inlet. The reaction chamber is further equipped with a surface finishing unit, a heating unit and a dynamics generating unit. The reaction is through decomposition of silicon containing gas in densely stacked high purity granular silicon layer reaction bed in relative motion, and to use remaining heat of exhaust gas for reheating. The present invention is to achieve a large scale, efficient, energy saving, continuous, low cost production of high purity silicon granules.Type: ApplicationFiled: August 17, 2013Publication date: December 19, 2013Applicant: SUNNYSIDE TECHNOLOGIES, INC.Inventor: Xi Chu
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Patent number: 8535614Abstract: The present invention provides a reactor and a method for the production of high purity silicon granules. The reactor includes a reactor chamber; and the reaction chamber is equipped with a solid feeding port, auxiliary gas inlet, raw material gas inlet, and exhaust gas export. The reaction chamber is also equipped with an internal gas distributor; a heating unit; an external exhaust gas processing unit connected between a preheating unit and a gas inlet. The reaction chamber is further equipped with a surface finishing unit, a heating unit and a dynamics generating unit. The reaction is through decomposition of silicon containing gas in densely stacked high purity granular silicon layer reaction bed in relative motion, and to use remaining hear of exhaust gas for reheating. The present invention is to achieve a large scale, efficient, energy saving, continuous, low cost production of high purity silicon granules.Type: GrantFiled: March 8, 2011Date of Patent: September 17, 2013Assignee: Sunnyside Technologies, Inc.Inventor: Xi Chu
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Publication number: 20130195746Abstract: In one embodiment of the invention, the silane and hydrogen (and inert gas) mixture is produced using catalytic gasification of silicon (or si-containing compounds including silicon alloys) with a hydrogen source such as hydrogen gas, atomic hydrogen and proton. By not separating silane from hydrogen and co-purifying all the gases (silane and hydrogen, inert gas) in the gas mixture simultaneously, the mixture is co-purified and then provide feed stock for downstream application without further diluting the silane gas. One aspect of the invention addresses the need for an improved production method, apparatus and composition for silane gas mixtures for large scale low cost manufacturing of high purity silicon and distributed on-site turnkey applications including but not limited to the manufacture of semiconductor integrated circuits, photovoltaic solar cells, LCD-flat panels and other electronic devices.Type: ApplicationFiled: January 27, 2013Publication date: August 1, 2013Inventor: Xi Chu
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Patent number: 8253991Abstract: A duplex scanning apparatus includes an automatic document feeder and a flatbed scanner. The automatic document feeder includes a first scanning module. The flatbed scanner includes a second scanning module and a first calibration plate. The first calibration plate is disposed on the second scanning module, and includes a calibration plate first end, a calibration plate second end and a calibration plate middle part. A first included angle is defined between the calibration plate first end and the calibration plate middle part, and a second included angle is defined between the calibration plate second end and the calibration plate middle part. As such, each of a distance between the calibration plate first end and the first scanning module and a distance between the calibration plate second end and the first scanning module is shorter than a distance between the calibration plate middle part and the first scanning module.Type: GrantFiled: December 8, 2009Date of Patent: August 28, 2012Assignee: Primax Electronics Ltd.Inventors: Chung-Kai Wang, Cai-Rong Liao, San-Xi Chu
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Publication number: 20120195819Abstract: The invention provides methods and systems for producing large size diamonds. The methods include using carbon containing gases and supplementary gases to form reaction zones that are suitable for diamonds to grow; controlling the temperatures that are suitable for diamonds to grow; and keeping the small size seeds in motion in the reaction zones to form large size diamonds. The method provides controlling the high temperature endurable small size seeds at suitable temperatures for diamonds to grow and keep them in motion in the reaction zones. The invention also provides systems that allow all the surfaces of the high temperature endurable small size seeds continually extend to form diamonds, then to form large size diamonds. The invention provides a large-scale, low cost production of large size diamonds.Type: ApplicationFiled: April 27, 2010Publication date: August 2, 2012Inventor: Xi Chu
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Publication number: 20110212011Abstract: The present invention provides a reactor and a method for the production of high purity silicon granules. The reactor includes a reactor chamber; and the reaction chamber is equipped with a solid feeding port, auxiliary gas inlet, raw material gas inlet, and exhaust gas export. The reaction chamber is also equipped with an internal gas distributor; a heating unit; an external exhaust gas processing unit connected between a preheating unit and a gas inlet. The reaction chamber is further equipped with a surface finishing unit, a heating unit and a dynamics generating unit. The reaction is through decomposition of silicon containing gas in densely stacked high purity granular silicon layer reaction bed in relative motion, and to use remaining hear of exhaust gas for reheating. The present invention is to achieve a large scale, efficient, energy saving, continuous, low cost production of high purity silicon granules.Type: ApplicationFiled: March 8, 2011Publication date: September 1, 2011Applicant: Sunnyside Technologies, Inc.Inventor: Xi Chu
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Publication number: 20110096378Abstract: A duplex scanning apparatus includes an automatic document feeder and a flatbed scanner. The automatic document feeder includes a first scanning module. The flatbed scanner includes a second scanning module and a first calibration plate. The first calibration plate is disposed on the second scanning module, and includes a calibration plate first end, a calibration plate second end and a calibration plate middle part. A first included angle is defined between the calibration plate first end and the calibration plate middle part, and a second included angle is defined between the calibration plate second end and the calibration plate middle part. As such, each of a distance between the calibration plate first end and the first scanning module and a distance between the calibration plate second end and the first scanning module is shorter than a distance between the calibration plate middle part and the first scanning module.Type: ApplicationFiled: December 8, 2009Publication date: April 28, 2011Applicant: PRIMAX ELECTRONICS LTD.Inventors: Chung-Kai Wang, Cai-Rong Liao, San-Xi Chu
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Publication number: 20100330748Abstract: Methods of encapsulating an environmentally sensitive device. The methods involve temporarily laminating a flexible substrate to a rigid support using a reversible adhesive for processing, reversing the reversible adhesive, and removing the device from the rigid support.Type: ApplicationFiled: January 26, 2007Publication date: December 30, 2010Inventors: Xi Chu, Steve Shi Lin, Gordon L. Graff
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Publication number: 20100167002Abstract: Methods of sealing environmentally sensitive devices and vacuum insulation panels are described. One method includes: providing first and second substrates; placing the environmentally sensitive device between the first and second substrates; sealing the first and second substrates together with an adhesive, the adhesive having an exposed portion; and covering the exposed portion of the adhesive with a barrier layer, or with a barrier stack comprising at least one decoupling layer and at least one barrier layer.Type: ApplicationFiled: December 30, 2008Publication date: July 1, 2010Applicant: Vitex Systems, Inc.Inventors: Xi Chu, Chyi-Shan Suen, Robert Jan Visser
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Patent number: 7648925Abstract: An improved barrier stack. The barrier stack is made by the process of depositing the polymeric decoupling layer on a substrate; depositing a first inorganic layer on the decoupling layer under a first set of conditions wherein an ion and neutral energy arriving at the substrate is less than about 20 eV so that the first inorganic layer is not a barrier layer, wherein a temperature of the substrate is less than about 150° C.; and depositing a second inorganic layer on the first inorganic layer under a second set of conditions wherein an ion and neutral energy arriving at the substrate is greater than about 50 eV so that the second inorganic layer is a barrier layer. Methods of reducing damage to a polymeric layer in a barrier stack are also described.Type: GrantFiled: July 12, 2007Date of Patent: January 19, 2010Assignee: Vitex Systems, Inc.Inventors: Lorenza Moro, Xi Chu
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Publication number: 20090208754Abstract: A method of making an edge-sealed, encapsulated environmentally sensitive device. The method includes providing an environmentally sensitive device on a substrate; depositing a decoupling layer through one mask, the decoupling layer adjacent to the environmentally sensitive device, the decoupling layer having a discrete area and covering the environmentally sensitive device; increasing the distance between the one mask and the substrate; and depositing a first barrier layer through the one mask, the first barrier layer adjacent to the decoupling layer, the first barrier layer having an area greater than the discrete area of the decoupling layer and covering the decoupling layer, the decoupling layer being sealed between the edges of the first barrier layer and the substrate or an optional second barrier layer.Type: ApplicationFiled: December 30, 2008Publication date: August 20, 2009Applicant: VITEX SYSTEMS, INC.Inventors: Xi Chu, Paul E. Burrows, Eric S. Mast, Peter M. Martin, Gordon L. Graff, Mark E. Gross, Charles C. Bonham, Wendy D. Bennett, Michael G. Hall, Martin Philip Rosenblum
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Publication number: 20090191342Abstract: Methods of making an edge-sealed, encapsulated environmentally sensitive device. One method includes providing an environmentally sensitive device with a contact on a substrate; depositing a decoupling layer adjacent to the environmentally sensitive device, the decoupling layer having a discrete area and covering the environmentally sensitive device and not covering the contact, the decoupling layer deposited using a printing process; depositing a first barrier layer adjacent to the decoupling layer, the first barrier layer having a first area greater than the discrete area of the decoupling layer, and the first barrier layer having a second area covering the decoupling layer and the contact, the decoupling layer being sealed between the edges of the first barrier layer and the substrate or an optional second barrier layer; and removing the second area of the first barrier layer from the contact.Type: ApplicationFiled: December 30, 2008Publication date: July 30, 2009Applicant: VITEX SYSTEMS, INC.Inventors: Xi Chu, Paul E. Burrows, Eric S. Mast, Peter M. Martin, Gordon L. Graff, Mark E. Gross, Charles C. Bonham, Wendy D. Bennett, Michael G. Hall, Martin Philip Rosenblum
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Patent number: 7510913Abstract: A method of making an encapsulated plasma sensitive device. The method comprises: providing a plasma sensitive device adjacent to a substrate; depositing a plasma protective layer on the plasma sensitive device using a process selected from non-plasma based processes, or modified sputtering processes; and depositing at least one barrier stack adjacent to the plasma protective layer, the at least one barrier stack comprising at least one decoupling layer and at least one barrier layer, the plasma sensitive device being encapsulated between the substrate and the at least one barrier stack, wherein the decoupling layer, the barrier layer, or both are deposited using a plasma process, the encapsulated plasma sensitive device having a reduced amount of damage caused by the plasma compared to an encapsulated plasma sensitive device made without the plasma protective layer. An encapsulated plasma sensitive device is also described.Type: GrantFiled: May 23, 2006Date of Patent: March 31, 2009Assignee: Vitex Systems, Inc.Inventors: Lorenza Moro, Xi Chu, Martin Philip Rosenblum, Kenneth Jeffrey Nelson, Paul E. Burrows, Mark E. Gross, Mac R. Zumhoff, Peter M. Martin, Charles C. Bonham, Gordon L. Graff
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Publication number: 20070281174Abstract: An improved barrier stack. The barrier stack is made by the process of depositing the polymeric decoupling layer on a substrate; depositing a first inorganic layer on the decoupling layer under a first set of conditions wherein an ion and neutral energy arriving at the substrate is less than about 20 eV so that the first inorganic layer is not a barrier layer, wherein a temperature of the substrate is less than about 150° C.; and depositing a second inorganic layer on the first inorganic layer under a second set of conditions wherein an ion and neutral energy arriving at the substrate is greater than about 50 eV so that the second inorganic layer is a barrier layer. Methods of reducing damage to a polymeric layer in a barrier stack are also described.Type: ApplicationFiled: July 12, 2007Publication date: December 6, 2007Applicant: Vitex Systems, Inc.Inventors: Lorenza Moro, Xi Chu
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Patent number: 7277511Abstract: An analog signal gain control circuit(ASGC) for a digital radio HomePlug orthogonal frequency division multiplexing (OFDM) receiver includes a digital variable gain amplifier (DVGA) to control the gain of a received signal to achieve a desired signal amplitude to match a dynamic range of an analog-to-digital converter (ADC), an inverse scaling stage controlled to inverse-scale the signal output by the ADC, and a two-stage fast attack and slow decay filter that outputs control signals to the DVGA and to the inverse scaling stage. The fast attack and slow decay filter rapidly responds to an increase in signal amplitude and slowly decays the amplitude of the control signal in response to a decrease in input signal amplitude.Type: GrantFiled: May 15, 2002Date of Patent: October 2, 2007Assignee: Intellon CorporationInventors: Brian James Langlais, Akrum Elkhazin, John Fanson, Bradley Robert Lynch, Xi Chu
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Publication number: 20070219630Abstract: The present invention provides devices for beating heart surgery. The device separates the valve and the surrounding area from the rest of the vascular system so the operation procedure can be carried out while the heart is beating during the entire course of the procedure. This is made possible through a temporary valve (170) and two coronary artery conducts (130, 140) incorporated in the balloon-catheter system. The system provides better view and ease of operation and thus, reduces surgery related complication and pains.Type: ApplicationFiled: November 24, 2004Publication date: September 20, 2007Inventor: Xi Chu
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Publication number: 20060216951Abstract: A method of making an encapsulated plasma sensitive device. The method comprises: providing a plasma sensitive device adjacent to a substrate; depositing a plasma protective layer on the plasma sensitive device using a process selected from non-plasma based processes, or modified sputtering processes; and depositing at least one barrier stack adjacent to the plasma protective layer, the at least one barrier stack comprising at least one decoupling layer and at least one barrier layer, the plasma sensitive device being encapsulated between the substrate and the at least one barrier stack, wherein the decoupling layer, the barrier layer, or both are deposited using a plasma process, the encapsulated plasma sensitive device having a reduced amount of damage caused by the plasma compared to an encapsulated plasma sensitive device made without the plasma protective layer. An encapsulated plasma sensitive device is also described.Type: ApplicationFiled: May 23, 2006Publication date: September 28, 2006Inventors: Lorenza Moro, Xi Chu, Martin Rosenblum, Kenneth Nelson, Paul Burrows, Mark Gross, Mac Zumhoff, Peter Martin, Charles Bonham, Gordon Graff