Patents by Inventor David Schaefer
David Schaefer 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: 11942959Abstract: A calibration circuit, including: a signal generator circuit configured to generate a modulated analog input signal, which is based on a digital input word that is modulated; an Analog-to-Digital Converter (ADC) configured to convert an analog reference signal to a digital calibration word, wherein the analog reference signal is a low-pass-filtered version of the analog input signal generated by the signal generator circuit; and a feedback circuit configured to output the digital input word by adjusting the digital calibration word depending on a digital feedback signal, which is based on a modulated version of the analog reference signal, wherein the signal generator circuit, the ADC, and the feedback circuit are provided on a same chip.Type: GrantFiled: September 28, 2021Date of Patent: March 26, 2024Assignee: Infineon Technologies AGInventors: Mihail Jefremow, Stefan Koeck, Ralph Mueller-Eschenbach, Juergen Schaefer, Arndt Voigtlaender, David Zipperstein
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Publication number: 20240090564Abstract: Features relating to a vaporizer body are provided. The vaporizer body may include an outer shell that includes an inner region defined by an outer shell sidewall. A support structure is configured to fit within the inner region of the outer shell. The support structure includes a storage region defined by a top support structure, a bottom support structure, a bottom cap, and a gasket. An integrated board assembly is configured to fit within the storage region of the support structure. The integrated board assembly may include a printed circuit board assembly formed of multiple layers that form a rigid structure and that include an inner, flexible layer. A first antenna is integrated at a proximal end of the flexible layer, and a second antenna is integrated at a distal end of the flexible layer.Type: ApplicationFiled: April 24, 2023Publication date: March 21, 2024Inventors: Joshua Fu, Christopher Loental, Marko Markovic, Alexander Weiss, Alexander Ringrose, David Carlberg, Robyn Nariyoshi, Devin Spratt, Nicholas J. Hatton, Yen Jen Chang, Chen Yu Li, Barry Tseng, Prince Wang, Thomas Germann, Andreas Schaefer
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Publication number: 20240092275Abstract: An electronic unit for a vehicle, comprising surface elements arranged next to one another with a visible surface side and a surface underside is disclosed. The surface elements are fixed in a housing. The housing has a top side facing the surface underside and an underside, wherein a carrier plate is provided. Each housing on its underside has at least one protruding fixing element for fixing the surface elements to the carrier plate. The carrier plate connects the surface elements together, wherein each fixing element has an index element arranged on the fixing element between the carrier plate and the underside and is releasably connected to the fixing element. The index elements are connected to the carrier plate by substance bonding so each surface element is releasably fixed to the carrier plate, and wherein by the index elements, the surface elements are arranged relative to and level with one another.Type: ApplicationFiled: September 18, 2023Publication date: March 21, 2024Applicant: Continental Automotive Technologies GmbHInventors: Tobias Huth, Thomas Schaper, Jörg Thomas, Doris Schäfer, Sergej Wittmeier, David Saar
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Publication number: 20240077138Abstract: An edge seal for sealing an outer surface of a lower electrode assembly configured to support a semiconductor substrate in a plasma processing chamber, the lower electrode assembly including an annular groove defined between a lower member and an upper member of the lower electrode assembly. The edge seal includes an elastomeric band configured to be arranged within the groove, the elastomeric band having an annular upper surface, an annular lower surface, an inner surface, and an outer surface. When the elastomeric band is in an uncompressed state, the outer surface of the elastomeric band is concave. When the upper and lower surfaces are axially compressed at least 1% such that the elastomeric band is in a compressed state, an outward bulging of the outer surface is not greater than a predetermined distance. The predetermined distance corresponds to a maximum outer diameter of the elastomeric band in the uncompressed state.Type: ApplicationFiled: October 6, 2023Publication date: March 7, 2024Inventors: David SCHAEFER, Ambarish Chhatre, Keith William Gaff, Sung Je Kim, Brooke Mesler Lai
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Patent number: 11794121Abstract: A high frame rate image system in a theme park attraction simultaneously displays images that are unique to each individual viewer. Although all viewers in a room or theater may be watching the same screen or area, they may see entirely different images. This allows the attraction to present more complex story narratives, and also allows the projected images to be matched to specific guests.Type: GrantFiled: December 7, 2021Date of Patent: October 24, 2023Assignee: FALCON'S BEYOND BRANDS, LLCInventors: Cecil D. Magpuri, David Schaefer, Syed Saham Ali, David Consolo
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Patent number: 11781650Abstract: An edge seal for sealing an outer surface of a lower electrode assembly configured to support a semiconductor substrate in a plasma processing chamber, the lower electrode assembly including an annular groove defined between a lower member and an upper member of the lower electrode assembly. The edge seal includes an elastomeric band configured to be arranged within the groove, the elastomeric band having an annular upper surface, an annular lower surface, an inner surface, and an outer surface. When the elastomeric band is in an uncompressed state, the outer surface of the elastomeric band is concave. When the upper and lower surfaces are axially compressed at least 1% such that the elastomeric band is in a compressed state, an outward bulging of the outer surface is not greater than a predetermined distance. The predetermined distance corresponds to a maximum outer diameter of the elastomeric band in the uncompressed state.Type: GrantFiled: December 15, 2017Date of Patent: October 10, 2023Assignee: LAM RESEARCH CORPORATIONInventors: David Schaefer, Ambarish Chhatre, Keith William Gaff, Sung Je Kim, Brooke Mesler Lai
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Patent number: 10804081Abstract: An edge ring configured to surround an outer periphery of a substrate support in a plasma processing chamber wherein plasma is generated and used to process a substrate is disclosed, the substrate support comprising a base plate, a top plate, an elastomer seal assembly between the base plate and the top plate, and an elastomer seal configured to surround the elastomer seal assembly. The edge ring includes an upper inner surface having an edge step directed towards an interior portion of the edge ring and arranged to extend from an outer periphery of a top surface of the top plate to an outer periphery of an upper surface of the base plate, a lower inner surface, an outer surface, a lower surface extending from the lower inner surface to the outer surface, and a top surface extending from the outer surface to the upper inner surface.Type: GrantFiled: December 20, 2013Date of Patent: October 13, 2020Assignee: LAM RESEARCH CORPORATIONInventors: Ambarish Chhatre, David Schaefer, Keith Gaff
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Publication number: 20200170832Abstract: The present disclosure relates to thermal contrast therapy systems, and automated thermal contrast therapy devices configured to interact with such systems and to perform customized thermal contrast therapy treatment sequences. Treatments may be prescribed by a treatment provider or selected by a user of a thermal contrast therapy device associated with such a system. In some embodiments, a thermal contrast therapy device may be configured to receive an indication from one or more temperature sensors and/or flow meters and to effect a desired measure of heat transfer during treatment, for example, by automatically adjusting the temperature and/or flow rate of the heat transfer fluid. In some embodiments, a thermal contrast therapy device may be configured to receive an indication of one or more physiological parameter values and to perform a customized thermal contrast therapy treatment sequence based, at least in part, on the one or more physiological parameter values.Type: ApplicationFiled: December 3, 2018Publication date: June 4, 2020Inventors: David Schaefer, Richard Smith
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Patent number: 10426655Abstract: The present disclosure relates to thermal contrast therapy devices, treatment methods for providing thermal contrast therapy, and systems for providing and managing thermal contrast therapy treatments. The thermal contrast therapy devices disclosed herein are configured to provide a sequence of alternating cooling periods and heating periods to one or more areas of a patient's body. A thermal contrast therapy device may comprise a source of hot fluid, a source of cold fluid, and one or more pumps configured to circulate fluid through one or more treatment pads in fluid communication with the device. The thermal contrast therapy devices disclosed herein are configured to rapidly and efficiently transition between alternating cooling periods and heating periods.Type: GrantFiled: May 5, 2016Date of Patent: October 1, 2019Assignee: CASCADE WELLNESS TECHNOLOGIES, INC.Inventors: David Schaefer, Richard Smith
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Patent number: 10109460Abstract: A system is disclosed for measuring an impedance of a plasma processing chamber. The system includes a radiofrequency signal generator configured to output a radiofrequency signal based on a frequency setpoint and provide an indication of an actual frequency of the radiofrequency signal, where the actual frequency can be different than the frequency setpoint. The system includes an impedance control module including at least one variable impedance control device. A difference between the actual frequency of the radiofrequency signal as output by the radiofrequency signal generator and the frequency setpoint is partially dependent upon a setting of the at least one variable impedance control device and is partially dependent upon the impedance of the plasma processing chamber. The system includes a connector configured to connect with a radiofrequency signal supply line of the plasma processing chamber. The impedance control module is connected between the radiofrequency signal generator and the connector.Type: GrantFiled: November 30, 2016Date of Patent: October 23, 2018Assignee: Lam Research CorporationInventors: Chin-Yi Liu, David Schaefer, Dan Marohl
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Publication number: 20180281908Abstract: The present disclosure relates to pontoon shields. The pontoon shields disclosed herein may, for example, protect pontoons from damage and/or enhance the aesthetic appearance of pontoons. The shields may be fashioned from one or more segments of resilient material configured to attach along a longitudinal aspect of a pontoon. The shields may be fashioned from a single segment, or from one or more segments configured to mate with one another. The shields may be attached to a pontoon, for example, via an adhesive, weld, and/or one or more brackets, or other mechanical means.Type: ApplicationFiled: June 5, 2018Publication date: October 4, 2018Inventor: David SCHAEFER
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Patent number: 10005528Abstract: The present disclosure relates to pontoon shields. The pontoon shields disclosed herein may, for example, protect pontoons from damage and/or enhance the aesthetic appearance of pontoons. The shields may be fashioned from one or more segments of resilient material configured to attach along a longitudinal aspect of a pontoon. The shields may be fashioned from a single segment, or from one or more segments configured to mate with one another. The shields may be attached to a pontoon, for example, via an adhesive, weld, and/or one or more brackets, or other mechanical means.Type: GrantFiled: March 29, 2017Date of Patent: June 26, 2018Inventor: David Schaefer
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Publication number: 20180151331Abstract: A system is disclosed for measuring an impedance of a plasma processing chamber. The system includes a radiofrequency signal generator configured to output a radiofrequency signal based on a frequency setpoint and provide an indication of an actual frequency of the radiofrequency signal, where the actual frequency can be different than the frequency setpoint. The system includes an impedance control module including at least one variable impedance control device. A difference between the actual frequency of the radiofrequency signal as output by the radiofrequency signal generator and the frequency setpoint is partially dependent upon a setting of the at least one variable impedance control device and is partially dependent upon the impedance of the plasma processing chamber. The system includes a connector configured to connect with a radiofrequency signal supply line of the plasma processing chamber. The impedance control module is connected between the radiofrequency signal generator and the connector.Type: ApplicationFiled: November 30, 2016Publication date: May 31, 2018Inventors: Chin-Yi Liu, David Schaefer, Dan Marohl
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Publication number: 20180106371Abstract: An edge seal for sealing an outer surface of a lower electrode assembly configured to support a semiconductor substrate in a plasma processing chamber, the lower electrode assembly including an annular groove defined between a lower member and an upper member of the lower electrode assembly. The edge seal includes an elastomeric band configured to be arranged within the groove, the elastomeric band having an annular upper surface, an annular lower surface, an inner surface, and an outer surface. When the elastomeric band is in an uncompressed state, the outer surface of the elastomeric band is concave. When the upper and lower surfaces are axially compressed at least 1% such that the elastomeric band is in a compressed state, an outward bulging of the outer surface is not greater than a predetermined distance. The predetermined distance corresponds to a maximum outer diameter of the elastomeric band in the uncompressed state.Type: ApplicationFiled: December 15, 2017Publication date: April 19, 2018Inventors: David Schaefer, Ambarish Chhatre, Keith William Gaff, Sung Lee, Brooke Mesler Lai
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Patent number: 9947512Abstract: An improved gas injection assembly for mounting in a central bore of a dielectric window of an inductively coupled plasma chamber includes a window having a central bore and cylindrical recess configured to receive an annular insert having a bayonet opening. The gas injector assembly includes a gas injector, an RF shield surrounding the gas injector, and a faceplate surrounding the RF shield, the faceplate including projections at the bottom thereof for engaging the bayonet opening in the annular insert. The window and gas injection assembly are designed to avoid chipping of the window which is typically made of quartz and in prior mounting arrangements the window has a bayonet opening machined therein. Due to the brittle nature of the quartz material, the machined bayonet opening was subject to chipping when the gas injector assembly was inserted into the bayonet opening.Type: GrantFiled: October 25, 2011Date of Patent: April 17, 2018Assignee: LAM RESEARCH CORPORATIONInventors: Rish Chhatre, David Schaefer
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Patent number: 9869392Abstract: A lower electrode assembly useful for supporting a semiconductor substrate in a plasma processing chamber includes a temperature controlled lower base plate, an upper plate, a mounting groove surrounding a bond layer and an edge seal comprising an elastomeric band having an outer concave surface in an uncompressed state, the band mounted in the groove such that upper and lower ends of the band are axially compressed and a maximum outward bulging of the band is no greater than a predetermined distance.Type: GrantFiled: June 20, 2012Date of Patent: January 16, 2018Assignee: LAM RESEARCH CORPORATIONInventors: David Schaefer, Ambarish Chhatre, Keith William Gaff, Sung Lee, Brooke Mesler Lai
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Patent number: 9859142Abstract: A lower electrode assembly useful for supporting a semiconductor substrate in a plasma processing chamber includes a temperature controlled lower base plate, an upper plate, a mounting groove surrounding a bond layer and an edge seal comprising an elastomeric band having an outer concave surface in an uncompressed state, the band mounted in the groove such that upper and lower ends of the band are axially compressed and a maximum outward bulging of the band is no greater than a predetermined distance.Type: GrantFiled: October 20, 2011Date of Patent: January 2, 2018Assignee: LAM RESEARCH CORPORATIONInventors: David Schaefer, Ambarish Chhatre, Keith William Gaff, Sung Lee
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Publication number: 20170203821Abstract: The present disclosure relates to pontoon shields. The pontoon shields disclosed herein may, for example, protect pontoons from damage and/or enhance the aesthetic appearance of pontoons. The shields may be fashioned from one or more segments of resilient material configured to attach along a longitudinal aspect of a pontoon. The shields may be fashioned from a single segment, or from one or more segments configured to mate with one another. The shields may be attached to a pontoon, for example, via an adhesive, weld, and/or one or more brackets, or other mechanical means.Type: ApplicationFiled: March 29, 2017Publication date: July 20, 2017Inventor: David Schaefer
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Patent number: 9688368Abstract: The present disclosure relates to pontoon shields. The pontoon shields disclosed herein may, for example, protect pontoons from damage and/or enhance the aesthetic appearance of pontoons. The shields may be fashioned from one or more segments of resilient material configured to attach along a longitudinal aspect of a pontoon. The shields may be fashioned from a single segment, or from one or more segments configured to mate with one another. The shields may be attached to a pontoon, for example, via an adhesive, weld, and/or one or more brackets, or other mechanical means.Type: GrantFiled: June 22, 2015Date of Patent: June 27, 2017Inventor: David Schaefer
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Patent number: 9583377Abstract: An installation fixture adapted to mount an elastomer band in a mounting groove around a semiconductor substrate support used for supporting a semiconductor substrate in a plasma processing chamber is disclosed, which includes an annular ring having a vertically extending portion on an outer edge of the ring and adapted to receive the elastomer band, and a base plate configured to be attached to the annular ring, the base plate having a plurality of radially extending portions adapted to receive a plurality of mechanical fasteners at locations corresponding to mounting holes in the semiconductor substrate support.Type: GrantFiled: December 17, 2013Date of Patent: February 28, 2017Assignee: LAM RESEARCH CORPORATIONInventors: Rish Chhatre, David Schaefer