Patents by Inventor Patrick Kwan

Patrick Kwan 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).

  • Publication number: 20150300807
    Abstract: Microlithographic illumination system includes individually drivable elements to variably illuminate a pupil surface of the system. Each element deviates an incident light beam based on a control signal applied to the element. The system also includes an instrument to provide a measurement signal, and a model-based state estimator configured to compute, for each element, an estimated state vector based on the measurement signal. The estimated state vector represents: a deviation of a light beam caused by the element; and a time derivative of the deviation. The illumination system further includes a regulator configured to receive, for each element: a) the estimated state vector; and b) target values for: i) the deviation of the light beam caused by the deviating element; and ii) the time derivative of the deviation.
    Type: Application
    Filed: April 24, 2015
    Publication date: October 22, 2015
    Inventors: Stefan Xalter, Yim-Bun Patrick Kwan, Andras G. Major, Manfred Maul, Johannes Eisenmenger, Damian Fiolka, Jan Horn, Markus Deguenther, Florian Bach, Michael Patra, Johannes Wangler, Michael Layh
  • Patent number: 9134632
    Abstract: Lithography apparatus and device manufacturing methods are disclosed in which means are provided for reducing the extent to which vibrations propagate between a first element of a projection system and a second element of a projection system. Approaches disclosed include the use of plural resilient members in series as part of a vibration isolation system, plural isolation frames for separately supporting first and second projection system frames, and modified connection positions for the interaction between the first and second projection system frames and the isolation frame(s).
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: September 15, 2015
    Assignees: ASML Netherlands B.V., Carl Zeiss SMT GMBH
    Inventors: Marc Wilhelmus Maria Van Der Wijst, Hans Butler, Yim Bun Patrick Kwan, Erik Roelof Loopstra, Bernhard Geuppert, Marco Hendrikus Hermanus Oude Nijhuis, Rodolfo Guglielmi Rabe, Dick Antonius Hendrikus Laro
  • Publication number: 20150227055
    Abstract: The disclosure pertains to an optical apparatus, in particular for microlithography, that includes an optical module, a support structure and a connection apparatus. The connection apparatus includes at least one connection unit which includes a first connector part and a second connector part. The first connector part is connected to the optical module, and the second connector part is connected to the support structure.
    Type: Application
    Filed: February 12, 2015
    Publication date: August 13, 2015
    Inventor: Yim-Bun Patrick Kwan
  • Patent number: 9097985
    Abstract: The invention relates to a lens comprising several optical elements that are disposed in a lens housing. At least one sensor array encompassing at least one capacitive sensor unit and/or at least one inductive sensor unit is provided for determining the relative position between a first optical element and a second optical element or between a load-bearing structural element of the lens and a second optical element.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: August 4, 2015
    Assignee: Carl Zeiss SMT GmbH
    Inventor: Yim-Bun Patrick Kwan
  • Patent number: 9030647
    Abstract: An optical imaging arrangement includes an optical projection system and a support structure system. The optical projection system includes a group of optical elements configured to transfer, in an exposure process using exposure light along an exposure light path, an image of a pattern of a mask supported by a mask support structure onto a substrate supported by a substrate support structure. The mask support structure and the substrate support structure form a primary source of vibration. The support structure system includes a base support structure, an optical element support structure and at least one secondary vibration source support structure of a secondary vibration source other than the primary source of vibration. The optical element support structure supports the optical elements.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: May 12, 2015
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Yim-Bun Patrick Kwan, Dick Antonius Hendrikus Laro
  • Patent number: 9019475
    Abstract: Microlithographic illumination system includes individually drivable elements to variably illuminate a pupil surface of the system. Each element deviates an incident light beam based on a control signal applied to the element. The system also includes an instrument to provide a measurement signal, and a model-based state estimator configured to compute, for each element, an estimated state vector based on the measurement signal. The estimated state vector represents: a deviation of a light beam caused by the element; and a time derivative of the deviation. The illumination system further includes a regulator configured to receive, for each element: a) the estimated state vector; and b) target values for: i) the deviation of the light beam caused by the deviating element; and ii) the time derivative of the deviation.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: April 28, 2015
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Stefan Xalter, Yim-Bun Patrick Kwan, Andras G. Major, Manfred Maul, Johannes Eisenmenger, Damian Fiolka, Jan Horn, Markus Deguenther, Florian Bach, Michael Patra, Johannes Wangler, Michael Layh
  • Patent number: 9013684
    Abstract: Microlithographic illumination system includes individually drivable elements to variably illuminate a pupil surface of the system. Each element deviates an incident light beam based on a control signal applied to the element. The system also includes an instrument to provide a measurement signal, and a model-based state estimator configured to compute, for each element, an estimated state vector based on the measurement signal. The estimated state vector represents: a deviation of a light beam caused by the element; and a time derivative of the deviation. The illumination system further includes a regulator configured to receive, for each element: a) the estimated state vector; and b) target values for: i) the deviation of the light beam caused by the deviating element; and ii) the time derivative of the deviation.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: April 21, 2015
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Stefan Xalter, Yim-Bun Patrick Kwan, Andras G. Major, Manfred Maul, Johannes Eisenmenger, Damian Fiolka, Jan Horn, Markus Deguenther, Florian Bach, Michael Patra, Johannes Wangler, Michael Layh
  • Patent number: 9001309
    Abstract: Microlithographic illumination system includes individually drivable elements to variably illuminate a pupil surface of the system. Each element deviates an incident light beam based on a control signal applied to the element. The system also includes an instrument to provide a measurement signal, and a model-based state estimator configured to compute, for each element, an estimated state vector based on the measurement signal. The estimated state vector represents: a deviation of a light beam caused by the element; and a time derivative of the deviation. The illumination system further includes a regulator configured to receive, for each element: a) the estimated state vector; and b) target values for: i) the deviation of the light beam caused by the deviating element; and ii) the time derivative of the deviation.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: April 7, 2015
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Stefan Xalter, Yim-Bun Patrick Kwan, Andras G. Major, Manfred Maul, Johannes Eisenmenger, Damian Fiolka, Jan Horn, Markus Deguenther, Florian Bach, Michael Patra, Johannes Wangler, Michael Layh
  • Publication number: 20150062596
    Abstract: An optical imaging arrangement includes an optical projection system and a support structure system. The optical projection system includes a group of optical elements configured to transfer, in an exposure process using exposure light along an exposure light path, an image of a pattern of a mask onto a substrate. The support structure system includes an optical element support structure and a metrology support structure. The optical element support structure supports the group of optical elements, while the metrology support structure supports a group of metrology devices associated with the group of optical elements and configured to capture status information representative of at least one of a position and an orientation of each of the optical elements in at least one degree of freedom up to all six degrees of freedom.
    Type: Application
    Filed: November 10, 2014
    Publication date: March 5, 2015
    Inventors: Yim-Bun Patrick Kwan, Erik Ruinemans
  • Patent number: 8964165
    Abstract: The disclosure pertains to an optical apparatus, in particular for microlithography, that includes an optical module, a support structure and a connection apparatus. The connection apparatus includes at least one connection unit which includes a first connector part and a second connector part. The first connector part is connected to the optical module, and the second connector part is connected to the support structure.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: February 24, 2015
    Assignee: Carl Zeiss SMT GmbH
    Inventor: Yim-Bun Patrick Kwan
  • Publication number: 20140333912
    Abstract: A microlithographic projection exposure apparatus has a mirror array having a base body and a plurality of mirror units. Each mirror unit includes a mirror and a solid-state articulation, which has at least one articulation part that connects the mirror to the base body. A control device makes it possible to modify the alignment of the respective mirror relative to the base body. Mutually opposing surfaces of the mirror and of the base body, or of a mirror support body connected to it, are designed as corresponding glide surfaces of a sliding bearing.
    Type: Application
    Filed: May 22, 2014
    Publication date: November 13, 2014
    Applicant: Carl Zeiss SMT GmbH
    Inventors: Sascha Bleidistel, Yim-Bun Patrick Kwan, Florian Bach, Daniel Benz, Severin Waldis, Armin Werber
  • Patent number: 8885141
    Abstract: An EUV lithography device including an illumination device for illuminating a mask at an illumination position in the EUV lithography device and a projection device for imaging a structure provided on the mask onto a light-sensitive substrate. The EUV lithography device has a processing device (15) for processing an optical element (6a), in particular the mask, preferably in a locally resolved manner, at a processing position in the EUV lithography device. For activating at least one gas component of the gas stream (27), the processing device (15) includes a particle generator (30) for generating a particle beam, in particular an electron beam (30a), and/or a high-frequency generator.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: November 11, 2014
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Wolfgang Singer, Yim-Bun-Patrick Kwan, Stefan-Wolfgang Schmidt, Dirk Heinrich Ehm, Dieter Kraus, Stefan Wiesner, Stefan Koehler, Almut Czap, Hin Yiu Anthony Chung
  • Publication number: 20140293253
    Abstract: The invention relates to a lens comprising several optical elements that are disposed in a lens housing. At least one sensor array encompassing at least one capacitive sensor unit and/or at least one inductive sensor unit is provided for determining the relative position between a first optical element and a second optical element or between a load-bearing structural element of the lens and a second optical element.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: Carl Zeiss SMT GmbH
    Inventor: Yim-Bun Patrick Kwan
  • Publication number: 20140268381
    Abstract: Disclosed is an optical module for a lens, especially a microlithographic apparatus, comprising a first holding device with an inner circumference that extends in a first circumferential direction, and at least one first supporting device which is fastened to the inner circumference of said first holding device and is used for supporting a first optical element, an annular circumferential first assembly space being defined by displacing the first supporting device once in a revolving manner along the first circumferential direction. At least one second supporting device which is fixed to the inner circumference of the first holding device is provided for supporting a second optical element, an annular circumferential second assembly space being defined by displacing the second supporting device once in a revolving manner along the first circumferential direction. The first assembly space intersects the second assembly space.
    Type: Application
    Filed: May 29, 2014
    Publication date: September 18, 2014
    Applicant: Carl Zeiss SMT GmbH
    Inventors: Jens Kugler, Franz Sorg, Yim-Bun Patrick Kwan
  • Publication number: 20140254036
    Abstract: Disclosed is an optical module for a lens, especially a microlithographic apparatus, comprising a first holding device with an inner circumference that extends in a first circumferential direction, and at least one first supporting device which is fastened to the inner circumference of said first holding device and is used for supporting a first optical element, an annular circumferential first assembly space being defined by displacing the first supporting device once in a revolving manner along the first circumferential direction. At least one second supporting device which is fixed to the inner circumference of the first holding device is provided for supporting a second optical element, an annular circumferential second assembly space being defined by displacing the second supporting device once in a revolving manner along the first circumferential direction. The first assembly space intersects the second assembly space.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 11, 2014
    Applicant: Carl Zeiss SMT GmbH
    Inventors: Jens Kugler, Franz Sorg, Yim-Bun Patrick Kwan
  • Publication number: 20140233006
    Abstract: Microlithographic illumination system includes individually drivable elements to variably illuminate a pupil surface of the system. Each element deviates an incident light beam based on a control signal applied to the element. The system also includes an instrument to provide a measurement signal, and a model-based state estimator configured to compute, for each element, an estimated state vector based on the measurement signal. The estimated state vector represents: a deviation of a light beam caused by the element; and a time derivative of the deviation. The illumination system further includes a regulator configured to receive, for each element: a) the estimated state vector; and b) target values for: i) the deviation of the light beam caused by the deviating element; and ii) the time derivative of the deviation.
    Type: Application
    Filed: April 17, 2014
    Publication date: August 21, 2014
    Inventors: Stefan Xalter, Yim-Bun Patrick Kwan, Manfred Maul, Johannes Eisenmenger, Jan Horn, Markus Deguenther, Florian Bach, Michael Patra, Damian Fiolka, Andras G. Major, Johannes Wangler, Michael Layh
  • Publication number: 20140226141
    Abstract: Microlithographic illumination system includes individually drivable elements to variably illuminate a pupil surface of the system. Each element deviates an incident light beam based on a control signal applied to the element. The system also includes an instrument to provide a measurement signal, and a model-based state estimator configured to compute, for each element, an estimated state vector based on the measurement signal. The estimated state vector represents: a deviation of a light beam caused by the element; and a time derivative of the deviation. The illumination system further includes a regulator configured to receive, for each element: a) the estimated state vector; and b) target values for: i) the deviation of the light beam caused by the deviating element; and ii) the time derivative of the deviation.
    Type: Application
    Filed: April 17, 2014
    Publication date: August 14, 2014
    Applicant: Carl Zeiss SMT GmbH
    Inventors: Stefan Xalter, Yim-Bun Patrick Kwan, Andras G. Major, Manfred Maul, Johannes Eisenmenger, Damian Fiolka, Jan Horn, Markus Deguenther, Florian Bach, Michael Patra, Johannes Wangler, Michael Layh
  • Publication number: 20140204354
    Abstract: A method for controlling a vibrating optical element of a lithographic system the optical element having a predetermined number of degrees of freedom comprises: detecting a number of displacements of the optical element, each displacement corresponding to a degree of freedom, wherein the number of detected displacements is larger than the number of degrees of freedom; for each displacement according to a degree of freedom, generating a sensor signal corresponding to a movement in a degree of freedom; wherein the optical element moves as a function of a rigid body transformation matrix, the optical element movement including a first type of movement and a second type of movement; and modifying the sensor signals as a function of a modified transformation matrix, wherein the modified transformation matrix at least partially reduces at least one eigen mode or resonance of one of the first type of movements or the second type of movements.
    Type: Application
    Filed: March 27, 2014
    Publication date: July 24, 2014
    Inventors: Yim-Bun Patrick Kwan, Dick Antonius Hendrikus Laro
  • Publication number: 20140185029
    Abstract: An optical imaging arrangement includes an optical projection system and a support structure system. The optical projection system includes a group of optical elements configured to transfer, in an exposure process using exposure light along an exposure light path, an image of a pattern of a mask supported by a mask support structure onto a substrate supported by a substrate support structure. The mask support structure and the substrate support structure form a primary source of vibration. The support structure system includes a base support structure, an optical element support structure and at least one secondary vibration source support structure of a secondary vibration source other than the primary source of vibration. The optical element support structure supports the optical elements.
    Type: Application
    Filed: December 23, 2013
    Publication date: July 3, 2014
    Inventors: Yim-Bun Patrick Kwan, Dick Antonius Hendrikus Laro
  • Patent number: 8767176
    Abstract: A microlithographic projection exposure apparatus has a mirror array having a base body and a plurality of mirror units. Each mirror unit includes a mirror and a solid-state articulation, which has at least one articulation part that connects the mirror to the base body. A control device makes it possible to modify the alignment of the respective mirror relative to the base body. Mutually opposing surfaces of the mirror and of the base body, or of a mirror support body connected to it, are designed as corresponding glide surfaces of a sliding bearing.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: July 1, 2014
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Sascha Bleidistel, Yim-Bun Patrick Kwan, Florian Bach, Daniel Benz, Severin Waldis, Armin Werber