Patents by Inventor Harald Herchen
Harald Herchen 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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Publication number: 20150147679Abstract: A method of making an interconnect for a solid oxide fuel cell stack includes providing a chromium alloy interconnect and providing a nickel mesh in contact with a fuel side of the interconnect. Formation of a chromium oxide layer is reduced or avoided in locations between the nickel mesh and the fuel side of the interconnect. A Cr—Ni alloy or a Cr—Fe—Ni alloy is located at least in the fuel side of the interconnect under the nickel mesh.Type: ApplicationFiled: November 17, 2014Publication date: May 28, 2015Inventors: Daniel DARGA, Tad ARMSTRONG, Vijay SRIVATSAN, Harald HERCHEN, Cheng-Yu LIN
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Publication number: 20150110665Abstract: Methods for fabricating an interconnect for a fuel cell system that include forming a metal powder into a preform structure, positioning the preform structure in a die cavity of a press apparatus, and compressing the preform structure in the press apparatus to form the interconnect. Further embodiments include use of thin inserts in the die cavity to provide reduced permeability and/or including filler material in the die cavity.Type: ApplicationFiled: September 30, 2014Publication date: April 23, 2015Inventors: Harald HERCHEN, Matthias GOTTMANN, Ian RUSSELL, Jonathan CERRONA, Cheng-yu LIN, Michael LESHER
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Patent number: 8962219Abstract: An interconnect for a fuel cell stack includes a first plurality of ribs extending from a first major surface of the interconnect and defining a first plurality of gas flow channels between the ribs, the ribs extending between a first rib end and a second rib end and having a tapered profile in a vertical dimension, perpendicular to the first major surface of the interconnect, proximate at least one of the first rib end and the second rib end, wherein the ribs comprise a flat upper surface and rounded edges between the flat upper surface and the adjacent gas flow channels, the rounded edges having a first radius of curvature, and wherein the gas flow channels comprise a rounded surface having a second radius of curvature, different from the first radius of curvature.Type: GrantFiled: November 16, 2012Date of Patent: February 24, 2015Assignee: Bloom Energy CorporationInventors: Stephen Couse, Daniel Darga, Harald Herchen, Chockkalingam Karuppaiah
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Patent number: 8802331Abstract: Various embodiments provide methods for testing a fuel cell interconnect including the steps of providing a fuel cell interconnect and performing a non-destructive test on the fuel cell interconnect comprising at least one of detecting a magnetic response of the interconnect, calculating a volume by optically illuminating the interconnect, detecting an acoustic response of the interconnect, and detecting a thermal response of the interconnect.Type: GrantFiled: November 29, 2011Date of Patent: August 12, 2014Assignee: Bloom Energy CorporationInventors: Harald Herchen, Martin Janousek
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Patent number: 8785821Abstract: A substrate processing apparatus for heating a substrate is provided. The substrate processing apparatus can include a top and bottom planar member. A heater layer can be disposed between the top and the bottom planar member and held in place by evacuating a region between the two planar members. The heater layer can be made of alternating insulating and conducting layers with heater elements formed on the conducting layers in predetermined pattern.Type: GrantFiled: June 25, 2010Date of Patent: July 22, 2014Assignee: Sokudo Co., Ltd.Inventor: Harald Herchen
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Publication number: 20140195031Abstract: Systems and methods for fuel cell stack part serialization and tracking. In an embodiment, a barcode may be applied to a fuel cell stack part which may identify the fuel cell stack part. In an embodiment, the barcode may be applied as ink on a green fuel cell stack part prior to sintering. In an embodiment, a portion of a fuel cell stack part may be imaged and pattern recognition techniques may be utilized to identify the fuel cell stack part based on the unique features of fuel cell stack part. In an embodiment, portion of a fuel cell stack part may be measured to generate one or more series of unique volume/area values and one or more series of unique volume/area values may be utilized to identify the fuel cell stack part.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Applicant: Bloom Energy CorporationInventors: Stephen Couse, Tulin Akin, Matthias Gottmann, Harald Herchen, Arne Ballantine
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Patent number: 8550031Abstract: Embodiments of the invention generally include a robot assembly comprising a robot operable to position a substrate at one or more points within a plane, and a motion assembly having a motor operable to position the robot in a direction generally parallel to a first direction. The motion assembly comprises a robot support interface having the robot coupled thereto, and one or more walls that form an interior region in which the motor is enclosed. The walls define an elongated opening through which the robot support interface travels, and the motor is operable to move the robot support interface laterally in the elongated opening. The motion assembly further comprises one or more fan assemblies that are in fluid communication with the interior region. The fan assemblies are operable to create a subatmospheric pressure in the interior region thereby causing gas to flow through the elongated opening into the interior region.Type: GrantFiled: June 15, 2012Date of Patent: October 8, 2013Assignee: Applied Materials, Inc.Inventors: Tetsuya Ishikawa, Rick J. Roberts, Helen R. Armer, Leon Volfovski, Jay D. Pinson, Michael Rice, David H. Quach, Mohsen S. Salek, Robert Lowrance, John A. Backer, William Tyler Weaver, Charles Carlson, Chongyang Wang, Jeffrey Hudgens, Harald Herchen, Brian Lue
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Publication number: 20130230644Abstract: Various methods of treating a chromium iron interconnect for a solid oxide fuel cell stack and coating the interconnect with a ceramic layer are provided.Type: ApplicationFiled: February 28, 2013Publication date: September 5, 2013Applicant: BLOOM ENERGY CORPORATIONInventors: Tad Armstrong, James Wilson, Harald Herchen, Daniel Darga, Manoj Pillai
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Publication number: 20120180983Abstract: The present invention generally provides a cluster tool for processing a substrate. In one embodiment, the cluster tool comprises at least one processing rack, which comprises a first plurality of substrate processing chambers that are positioned adjacent to each other and aligned in a first direction, a second plurality of substrate processing chambers that are positioned adjacent to each other and adjacent to at least one of the first plurality of substrate processing chambers, the second plurality of substrate processing chambers being positioned in a second direction relative to the first direction, a first shuttle robot movable in the first direction for moving substrates between each of the first plurality of substrate processing chambers, and a second shuttle robot movable in the second direction for moving substrates between each of the second plurality of substrate processing chambers.Type: ApplicationFiled: March 2, 2012Publication date: July 19, 2012Inventors: TETSUYA ISHIKAWA, RICK J. ROBERTS, HELEN R. ARMER, LEON VOLFOVSKI, JAY D. PINSON, MICHAEL RICE, DAVID H. QUACH, MOHSEN S. SALEK, ROBERT LOWRANCE, JOHN A. BACKER, WILLIAM TYLER WEAVER, CHARLES CARLSON, CHONGYANG WANG, JEFFREY HUDGENS, HARALD HERCHEN, BRIAN LUE
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Patent number: 8215262Abstract: Embodiments generally provide an apparatus and method for processing substrates using a multi-chamber processing system (e.g., a cluster tool) that has an increased system throughput, increased system reliability, substrates processed in the cluster tool have a more repeatable wafer history, and also the cluster tool has a smaller system footprint. In one embodiment, a cluster tool for processing a substrate includes a first processing rack, a first robot assembly and a second robot assembly operable to transfer substrates to substrate processing chambers in the first processing rack, and a horizontal motion assembly. The horizontal motion assembly includes one or more walls that form an interior region in which a motor is enclosed. The one or more walls defining an elongated opening through which a robot support interface travels, the robot support interface supporting a robot of the horizontal motion assembly.Type: GrantFiled: October 20, 2008Date of Patent: July 10, 2012Assignee: Applied Materials, Inc.Inventors: Tetsuya Ishikawa, Rick J. Roberts, Helen R. Armer, Leon Volfovski, Jay D. Pinson, Michael Rice, David H. Quach, Mohsen S. Salek, Robert Lowrance, John A. Backer, William Tyler Weaver, Charles Carlson, Chongyang Wang, Jeffrey Hudgens, Harald Herchen, Brian Lu
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Publication number: 20120135337Abstract: Various embodiments provide methods for testing a fuel cell interconnect including the steps of providing a fuel cell interconnect and performing a non-destructive test on the fuel cell interconnect comprising at least one of detecting a magnetic response of the interconnect, calculating a volume by optically illuminating the interconnect, detecting an acoustic response of the interconnect, and detecting a thermal response of the interconnect.Type: ApplicationFiled: November 29, 2011Publication date: May 31, 2012Applicant: Bloom Energy CorporationInventors: Harald Herchen, Arne Ballantine, Martin Janousek, Stephen Couse
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Patent number: 8181596Abstract: An apparatus for processing substrates using a multi-chamber processing system (e.g., a cluster tool) that has an increased system throughput, increased system reliability, a smaller system footprint, and a more repeatable wafer history. Embodiments provide for a cluster tool comprising first and second processing racks, each having two or more vertically stacked substrate processing chambers, a first robot assembly able to access the first processing rack from a first side, a second robot assembly able to access the first processing rack from a second side and the second processing rack from a first side, a third robot assembly able to access the second processing rack from a second side, and a fourth robot assembly able to access the first and second processing racks and to load substrates in a cassette.Type: GrantFiled: October 20, 2008Date of Patent: May 22, 2012Assignee: Applied Materials, Inc.Inventors: Tetsuya Ishikawa, Rick J. Roberts, Helen R. Armer, Leon Volfovski, Jay D. Pinson, Michael Rice, David H. Quach, Mohsen S. Salek, Robert Lowrance, John A. Backer, William Tyler Weaver, Charles Carlson, Chongyang Wang, Jeffrey Hudgens, Harald Herchen, Brian Lu
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Patent number: 8146530Abstract: Embodiments generally provide an apparatus and method for processing substrates using a multi-chamber processing system (e.g., a cluster tool) that has an increased system throughput, increased system reliability, substrates processed in the cluster tool have a more repeatable wafer history, and also the cluster tool has a smaller system footprint. Embodiments also provide for a method and apparatus that are used to improve the coater chamber, the developer chamber, the post exposure bake chamber, the chill chamber, and the bake chamber process results. Embodiments also provide for a method and apparatus that are used to increase the reliability of the substrate transfer process to reduce system down time.Type: GrantFiled: October 20, 2008Date of Patent: April 3, 2012Assignee: Applied Materials, Inc.Inventors: Tetsuya Ishikawa, Rick J. Roberts, Helen R. Armer, Leon Volfovski, Jay D. Pinson, Michael Rice, David H. Quach, Mohsen S. Salek, Robert Lowrance, John A. Backer, William Tyler Weaver, Charles Carlson, Chongyang Wang, Jeffrey Hudgens, Harald Herchen, Brian Lu
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Publication number: 20120055916Abstract: A rapid temperature change (RTC) system includes a bake plate assembly including a heat spreader; a heater substrate coupled to the heat spreader; and a heater layer coupled to the heater substrate. The RTC system also includes a passive chill structure positioned adjacent the bake plate assembly. The passive chill structure is moveable to make physical contact with the heater layer. The passive chill structure includes a chill plate and a thermal pad coupled to the chill plate. The RTC system further includes an active chill structure positioned adjacent the passive chill structure. The passive chill structure is moveable to make physical contact with the active chill structure.Type: ApplicationFiled: February 28, 2011Publication date: March 8, 2012Applicant: Sokudo Co., Ltd.Inventors: Leon Volfovski, Harald Herchen, Jay D. Pinson
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Patent number: 7925377Abstract: Embodiments generally provide an apparatus and method for processing substrates using a multi-chamber processing system (e.g., a cluster tool) that has an increased system throughput, increased system reliability, substrates processed in the cluster tool have a more repeatable wafer history, and also the cluster tool has a smaller system footprint. In one embodiment of the cluster tool, grouping substrates together, and transferring and processing the substrates in groups of two or more, improves system throughput, and reduces the number of moves a robot has to make to transfer a batch of substrates between the processing chambers, thus reducing wear on the robot and increasing system reliability. Embodiments also provide for a method and apparatus that are used to increase the reliability of the substrate transfer process to reduce system down time.Type: GrantFiled: July 19, 2006Date of Patent: April 12, 2011Assignee: Applied Materials, Inc.Inventors: Tetsuya Ishikawa, Rick J. Roberts, Helen R. Armer, Leon Volfovski, Jay D. Pinson, Michael Rice, David H. Quach, Mohsen S. Salek, Robert Lowrance, William Tyler Weaver, Charles Carlson, Chongyang Wang, Jeffrey Hudgens, Harald Herchen, Brian Lue, John A. Backer
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Publication number: 20110000426Abstract: A substrate processing apparatus for heating a substrate is provided. The substrate processing apparatus can include a top and bottom planar member. A heater layer can be disposed between the top and the bottom planar member and held in place by evacuating a region between the two planar members. The heater layer can be made of alternating insulating and conducting layers with heater elements formed on the conducting layers in predetermined pattern.Type: ApplicationFiled: June 25, 2010Publication date: January 6, 2011Applicant: Sokudo Co., Ltd.Inventor: Harald Herchen
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Patent number: 7831135Abstract: A method of operating a bake plate disposed in a semiconductor processing chamber having a face plate opposing the bake plate includes providing a temperature control signal to the bake plate and measuring a face plate temperature associated with the face plate. The method also includes determining a difference between the face plate temperature and a predetermined temperature and modifying the temperature control signal provided to the bake plate in response to the determined difference.Type: GrantFiled: September 4, 2007Date of Patent: November 9, 2010Assignee: Sokudo Co., Ltd.Inventor: Harald Herchen
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Patent number: 7743728Abstract: Embodiments generally provide an apparatus and method for processing substrates using a multi-chamber processing system (e.g., a cluster tool). In one embodiment, the cluster tool is adapted to perform a track lithography process in which a photosensitive material is applied to a substrate, patterned in a stepper/scanner, and then removed in a developing process completed in the cluster tool. In one embodiment of the cluster tool, substrates are grouped together in groups of two or more for transfer or processing to improve system throughput, reduce the number of moves a robot has to make to transfer a batch of substrates between the processing chambers, and thus increase system reliability. Embodiments also provide for a method and apparatus that are used to increase the reliability of the substrate transfer process to reduce system down time.Type: GrantFiled: April 21, 2008Date of Patent: June 29, 2010Assignee: Applied Materials, Inc.Inventors: Tetsuya Ishikawa, Rick J. Roberts, Helen R. Armer, Leon Volfovski, Jay D. Pinson, Michael Rice, David H. Quach, Mohsen S. Salek, Robert Lowrance, John A. Backer, William Tyler Weaver, Charles Carlson, Chongyang Wang, Jeffrey Hudgens, Harald Herchen, Brian Lue
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Patent number: 7694647Abstract: Embodiments generally provide an apparatus and method for processing substrates using a multi-chamber processing system (e.g., a cluster tool) that has an increased system throughput, increased system reliability, substrates processed in the cluster tool have a more repeatable wafer history, and also the cluster tool has a smaller system footprint. Embodiments also provide for a method and apparatus that are used to improve the coater chamber, the developer chamber, the post exposure bake chamber, the chill chamber, and the bake chamber process results. Embodiments also provide for a method and apparatus that are used to increase the reliability of the substrate transfer process to reduce system down time.Type: GrantFiled: July 19, 2006Date of Patent: April 13, 2010Assignee: Applied Materials, Inc.Inventors: Tetsuya Ishikawa, Rick J. Roberts, Helen R. Armer, Leon Volfovski, Jay D. Pinson, Michael Rice, David H. Quach, Mohsen S. Salek, Robert Lowrance, John A. Backer, William Tyler Weaver, Charles Carlson, Chongyang Wang, Jeffrey Hudgens, Harald Herchen, Brian Lue
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Patent number: 7567885Abstract: An apparatus and method for measuring a height of an object above a surface includes a housing with a first portion having an upper surface and a lower surface and an extension portion extending a first distance from the lower surface of the first portion. The extension portion defines a cavity opposing the lower surface of the first portion. The apparatus further includes one or more actuators passing through the lower surface of the first portion of the housing and extending into the cavity. Additionally, the apparatus includes a plate supported by one or more flexible members coupled to the extension portion. The plate has a top surface and a bottom surface that lies in a plane substantially parallel to the surface. Moreover, the apparatus includes a plurality of sensors disposed at predetermined positions of the plate. Each of the plurality of sensors is responsive to a height measured between each of the plurality of sensors and the surface.Type: GrantFiled: August 23, 2007Date of Patent: July 28, 2009Assignee: Sokudo Co., Ltd.Inventors: Harald Herchen, Kim Vellore, Erica Renee Porras