Patents by Inventor Thomas Petasch
Thomas Petasch 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: 20220308466Abstract: The present disclosure relates to a device for cleaning a surface in the interior of an optical system. The device includes a rod-shaped element. The rod-shaped element includes an imager configured to image contaminates on the surface, and a cleaner configured to remove contaminates from the surface. The device also includes a distance sensor that is configured to measure the distance between the surface and the end of the rod-shaped element. The device also includes a connection element configured to be secured at an opening of the optical system, and the connection element includes a guide element configured to guide the rod-shaped element.Type: ApplicationFiled: March 10, 2022Publication date: September 29, 2022Inventors: Jovana-Maria DIESCH, Benjamin Sigel, Thomas Petasch
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Patent number: 10520826Abstract: An optical element for transmitting radiation includes: a first surface region surrounding an optically used area of the optical element; and a second surface region that adjoins the first surface region. A circumferential edge is formed between the first and second surface regions. The optical element further includes a one-piece film which covers the first surface region, the edge and the second surface region. The film includes a hydrophobic material at least on its side facing away from the first and the second surface regions. An optical assembly includes at least one such optical element. A method produces such an optical element.Type: GrantFiled: December 18, 2018Date of Patent: December 31, 2019Assignee: Carl Zeiss SMT GmbHInventors: Roland Pilz, Thomas Petasch
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Publication number: 20190121240Abstract: An optical element for transmitting radiation includes: a first surface region surrounding an optically used area of the optical element; and a second surface region that adjoins the first surface region. A circumferential edge is formed between the first and second surface regions. The optical element further includes a one-piece film which covers the first surface region, the edge and the second surface region. The film includes a hydrophobic material at least on its side facing away from the first and the second surface regions. An optical assembly includes at least one such optical element. A method produces such an optical element.Type: ApplicationFiled: December 18, 2018Publication date: April 25, 2019Inventors: Roland Pilz, Thomas Petasch
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Publication number: 20190025709Abstract: Projection objectives, such as projection objectives of lithography projection exposure apparatuses, as well as related systems, components and methods, such as methods of revising and/or repairing such objectives, are disclosed.Type: ApplicationFiled: July 30, 2018Publication date: January 24, 2019Inventors: Olaf Rogalsky, Boris Bittner, Thomas Petasch, Jochen Haeussler
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Patent number: 10175582Abstract: An optical element for transmitting radiation includes: a first surface region surrounding an optically used area of the optical element; and a second surface region that adjoins the first surface region. A circumferential edge is formed between the first and second surface regions. The optical element further includes a one-piece film which covers the first surface region, the edge and the second surface region. The film includes a hydrophobic material at least on its side facing away from the first and the second surface regions. An optical assembly includes at least one such optical element. A method produces such an optical element.Type: GrantFiled: May 25, 2017Date of Patent: January 8, 2019Assignee: Carl Zeiss SMT GmbHInventors: Roland Pilz, Thomas Petasch
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Publication number: 20180259856Abstract: An optical projection unit includes first and second optical element modules. The first optical element module includes a first housing unit and a first optical element received within the first housing unit and having an optically used first region defining a first optical axis. The second optical element module is located adjacent to the first optical element module and includes a second optical element which defines a second optical axis of the optical projection unit. The first housing unit has a central first housing axis and an outer wall extending in a circumferential direction about the first housing axis. The first optical axis is laterally offset and/or inclined with respect to the first housing axis. The first housing axis is substantially collinear with the second optical axis.Type: ApplicationFiled: February 8, 2018Publication date: September 13, 2018Inventors: Johannes Rau, Armin Schoeppach, Bernhard Gellrich, Jens Kugler, Martin Mahlmann, Bernhard Geuppert, Thomas Petasch, Gerhard Fuerter
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Patent number: 10042265Abstract: Projection objectives, such as projection objectives of lithography projection exposure apparatuses, as well as related systems, components and methods, such as methods of revising and/or repairing such objectives, are disclosed.Type: GrantFiled: October 14, 2016Date of Patent: August 7, 2018Assignee: Carl Zeiss SMT GmbHInventors: Olaf Rogalsky, Boris Bittner, Thomas Petasch, Jochen Haeussler
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Patent number: 9891535Abstract: An optical projection unit includes first and second optical element modules. The first optical element module includes a first housing unit and a first optical element received within the first housing unit and having an optically used first region defining a first optical axis. The second optical element module is located adjacent to the first optical element module and includes a second optical element which defines a second optical axis of the optical projection unit. The first housing unit has a central first housing axis and an outer wall extending in a circumferential direction about the first housing axis. The first optical axis is laterally offset and/or inclined with respect to the first housing axis. The first housing axis is substantially collinear with the second optical axis.Type: GrantFiled: January 23, 2017Date of Patent: February 13, 2018Assignee: Carl Zeiss SMT GmbHInventors: Johannes Rau, Armin Schoeppach, Bernhard Gellrich, Jens Kugler, Martin Mahlmann, Bernhard Geuppert, Thomas Petasch, Gerhard Fuerter
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Publication number: 20170261860Abstract: An optical element for transmitting radiation includes: a first surface region surrounding an optically used area of the optical element; and a second surface region that adjoins the first surface region. A circumferential edge is formed between the first and second surface regions. The optical element further includes a one-piece film which covers the first surface region, the edge and the second surface region. The film includes a hydrophobic material at least on its side facing away from the first and the second surface regions. An optical assembly includes at least one such optical element. A method produces such an optical element.Type: ApplicationFiled: May 25, 2017Publication date: September 14, 2017Inventors: Roland Pilz, Thomas Petasch
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Publication number: 20170219929Abstract: An optical projection unit includes first and second optical element modules. The first optical element module includes a first housing unit and a first optical element received within the first housing unit and having an optically used first region defining a first optical axis. The second optical element module is located adjacent to the first optical element module and includes a second optical element which defines a second optical axis of the optical projection unit. The first housing unit has a central first housing axis and an outer wall extending in a circumferential direction about the first housing axis. The first optical axis is laterally offset and/or inclined with respect to the first housing axis. The first housing axis is substantially collinear with the second optical axis.Type: ApplicationFiled: January 23, 2017Publication date: August 3, 2017Inventors: Johannes Rau, Armin Schoeppach, Bernhard Gellrich, Jens Kugler, Martin Mahlmann, Bernhard Geuppert, Thomas Petasch, Gerhard Fuerter
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Publication number: 20170031247Abstract: Projection objectives, such as projection objectives of lithography projection exposure apparatuses, as well as related systems, components and methods, such as methods of revising and/or repairing such objectives, are disclosed.Type: ApplicationFiled: October 14, 2016Publication date: February 2, 2017Inventors: Olaf Rogalsky, Boris Bittner, Thomas Petasch, Jochen Haeussler
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Patent number: 9557653Abstract: An optical projection unit includes first and second optical element modules. The first optical element module includes a first housing unit and a first optical element received within the first housing unit and having an optically used first region defining a first optical axis. The second optical element module is located adjacent to the first optical element module and includes a second optical element which defines a second optical axis of the optical projection unit. The first housing unit has a central first housing axis and an outer wall extending in a circumferential direction about the first housing axis. The first optical axis is laterally offset and/or inclined with respect to the first housing axis. The first housing axis is substantially collinear with the second optical axis.Type: GrantFiled: July 7, 2015Date of Patent: January 31, 2017Assignee: Carl Zeiss SMT GmbHInventors: Johannes Rau, Armin Schoeppach, Bernhard Gellrich, Jens Kugler, Martin Mahlmann, Bernhard Geuppert, Thomas Petasch, Gerhard Fuerter
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Patent number: 9494868Abstract: Projection objectives, such as projection objectives of lithography projection exposure apparatuses, as well as related systems, components and methods, such as methods of revising and/or repairing such objectives, are disclosed.Type: GrantFiled: November 7, 2013Date of Patent: November 15, 2016Assignee: Carl Zeiss SMT GmbHInventors: Olaf Rogalsky, Boris Bittner, Thomas Petasch, Jochen Haeussler
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Publication number: 20150323873Abstract: An optical projection unit includes first and second optical element modules. The first optical element module includes a first housing unit and a first optical element received within the first housing unit and having an optically used first region defining a first optical axis. The second optical element module is located adjacent to the first optical element module and includes a second optical element which defines a second optical axis of the optical projection unit. The first housing unit has a central first housing axis and an outer wall extending in a circumferential direction about the first housing axis. The first optical axis is laterally offset and/or inclined with respect to the first housing axis. The first housing axis is substantially collinear with the second optical axis.Type: ApplicationFiled: July 7, 2015Publication date: November 12, 2015Inventors: Johannes Rau, Armin Schoeppach, Bernhard Gellrich, Jens Kugler, Martin Mahlmann, Bernhard Geuppert, Thomas Petasch, Gerhard Fuerter
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Patent number: 9104016Abstract: An optical projection system for a microlithography system includes a light path, a first lens unit receiving a first part of the light path, a second lens unit receiving a second part of the light path, and a support unit supporting the first and second lens units. The first and second lens units are elongated lens units including a plurality of lenses. The support unit includes a housing receiving a third part of the light path and enclosing a reflective element. The housing includes first and second interfaces. The first interface is a first support interface supporting the first lens unit. The second interface is a second support interface supporting the second lens unit at a location substantially opposite to the first interface.Type: GrantFiled: September 25, 2012Date of Patent: August 11, 2015Assignee: Carl Zeiss SMT GmbHInventors: Johannes Rau, Armin Schoeppach, Bernhard Gellrich, Jens Kugler, Martin Mahlmann, Bernhard Geuppert, Thomas Petasch, Gerhard Fuerter
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Publication number: 20140078482Abstract: Projection objectives, such as projection objectives of lithography projection exposure apparatuses, as well as related systems, components and methods, such as methods of revising and/or repairing such objectives, are disclosed.Type: ApplicationFiled: November 7, 2013Publication date: March 20, 2014Applicant: Carl Zeiss SMT GmbHInventors: Olaf Rogalsky, Boris Bittner, Thomas Petasch, Jochen Haeussler
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Publication number: 20140063628Abstract: The invention relates to a device for the low-deformation replaceable mounting of an optical element, in particular a closure plate of an objective of a projection exposure system for microlithography for the production of semiconductor components, in a mount. The optical element is connected to the mount at least partly via an adhesive connection. This is located between the adjacent circumferential walls of mount and optical element. The mount is provided with at least three support feet distributed over the circumference, by means of which the optical element is mounted laterally and axially. The mount is connected to the housing of the objective in an at least approximately deformation-decoupled manner via three mount bearing points.Type: ApplicationFiled: October 28, 2013Publication date: March 6, 2014Applicant: Carl Zeiss SMT GmbHInventors: Franz Sorg, Andreas Wurmbrand, Thomas Petasch, Dirk Schaffer, Siegfried Wahl
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Patent number: 8605253Abstract: Projection objectives, related systems and components, and methods are disclosed. The methods include providing a projection objective of a lithography projection exposure apparatus, where the projection objective includes a plurality of optical elements between an object plane of the projection objective and an image plane of the projection objective, and the plurality of optical elements includes a first optical element having a refractive power and being disposed in the projection objective at a first location. The methods also include removing the first optical element from the projection objective, and inserting a first spare optical element into the projection objective at the first location, where the removing and inserting steps are performed at a location of use of the lithography projection exposure apparatus in a lithography process.Type: GrantFiled: December 15, 2008Date of Patent: December 10, 2013Assignee: Carl Zeiss SMT GmbHInventors: Olaf Rogalsky, Boris Bittner, Thomas Petasch, Jochen Haeussler
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Patent number: 8582081Abstract: The invention relates to a device for the low-deformation replaceable mounting of an optical element, in particular a closure plate of an objective of a projection exposure system for microlithography for the production of semiconductor components, in a mount (12). The optical element is connected to the mount (12) at least partly via an adhesive connection. This is located between the adjacent circumferential walls of mount (12) and optical element. The mount (12) is provided with at least three support feet (14) distributed over the circumference, by means of which the optical element is mounted laterally and axially. The mount (12) is connected to the housing of the objective in an at least approximately deformation-decoupled manner via three mount bearing points (15).Type: GrantFiled: November 20, 2008Date of Patent: November 12, 2013Assignee: Carl Zeiss SMT GmbHInventors: Franz Sorg, Andreas Wurmbrand, Thomas Petasch, Dirk Schaffer, Siegfried Wahl
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Patent number: 8300210Abstract: An optical projection unit comprising a first optical element module and at least one second optical element module is provided. The first optical element module comprises a first housing unit and at least a first optical element, the first optical element being received within the first housing unit and having an optically used first region defining a first optical axis. The at least one second optical element module is located adjacent to the first optical element module and comprises at least one second optical element, the second optical element defining a second optical axis of the optical projection unit. The first housing unit has a central first housing axis and an outer wall extending in a circumferential direction about the first housing axis. The first optical axis is at least one of laterally offset and inclined with respect to the first housing axis. Furthermore, the first housing axis is substantially collinear with the second optical axis.Type: GrantFiled: October 1, 2005Date of Patent: October 30, 2012Assignee: Carl Zeiss SMT GmbHInventors: Johannes Rau, Armin Schoeppach, Bernhard Gellrich, Jens Kugler, Martin Mahlmann, Bernhard Geuppert, Thomas Petasch, Gerhard Fuerter