Patents by Inventor Erik Roelof Loopstra
Erik Roelof Loopstra 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: 9057967Abstract: A lithographic projection apparatus includes a support structure configured to hold a patterning device, the patterning device configured to pattern a beam of radiation according to a desired pattern; a projection system configured to project the patterned beam onto a target portion of a substrate; a substrate table configured to hold the substrate, the substrate table including a support surface configured to support an intermediary plate between the projection system and at least one of the substrate and an object positioned on the substrate table and not in contact with the at least one of the substrate and the object; and a liquid supply system configured to provide a liquid, through which the beam is to be projected, in a space between the projection system and the at least one of the substrate and the object.Type: GrantFiled: July 30, 2009Date of Patent: June 16, 2015Assignee: ASML NETHERLANDS B.V.Inventors: Joeri Lof, Hans Butler, Sjoerd Nicolaas Lambertus Donders, Aleksey Yurievich Kolesnychenko, Erik Roelof Loopstra, Hendricus Johannes Maria Meijer, Jeroen Johannes Sophia Maria Mertens, Johannes Catharinus Hubertus Mulkens, Roelof Aeilko Siebrand Ritsema, Frank Van Schaik, Timotheus Franciscus Sengers, Klaus Simon, Joannes Theodoor De Smit, Alexander Straaijer, Helmar Van Santen
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Publication number: 20150153661Abstract: A substrate table system includes a substrate table and a dual directional motor for moving the substrate table in a plane of movement that is defined by a first direction and a second direction. The dual directional motor includes: a first pusher structure extending in the first direction, the substrate table being movable in respect of the first pusher structure, the first pusher structure and the substrate table being arranged to cooperate to form a first motor to exert a force between the first pusher structure and the substrate table in the first direction; and a second pusher structure extending in the first direction, the substrate table being movable in respect of the second pusher structure, the second pusher structure and the substrate table to cooperate to form a second motor to exert a force between the second pusher structure and the substrate table in the second direction.Type: ApplicationFiled: February 15, 2013Publication date: June 4, 2015Applicant: ASML Netherlands B.V.Inventors: Bastiaan Lambertus Wilhelmus Marinus Van De Ven, Antonius Franciscus Johannes De Groot, Christiaan Alexander Hoogendam, Erik Roelof Loopstra, Hans Butler
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Publication number: 20150131067Abstract: A field manipulator to provide high resolution control of position in the XY plane and/or focus control. The field manipulator includes a plate located between the patterning device and the substrate. Control of the XY position is provided by tilting of the plate, while control of the focus position may be provided by localized deformation of the plate. Both adjustments may be performed by one or more actuators that act upon one or more edges of the plate. In an embodiment, two substantially parallel plates are provided and focus control can be provided by changing the spacing between them. A liquid may be provided between the plates which may be temperature controlled to adjust the focus by changing the refractive index of the liquid.Type: ApplicationFiled: May 7, 2013Publication date: May 14, 2015Applicant: ASML Netherlands B.V.Inventors: Johannes Jacobus Matheus Baselmans, Erik Roelof Loopstra
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Patent number: 9025127Abstract: In a lithographic projection apparatus, a liquid supply system maintains liquid in a space between the projection system and the substrate. The liquid supply system may further include a de-mineralizing unit, a distillation unit, a de-hydrocarbonating unit, a UV radiation source, and/or a filter configured to purify the liquid. A gas content reduction device may be provided to reduce a gas content of the liquid. A chemical may be added to the liquid using an adding device to inhibit lifeform growth and components of the liquid supply system may be made of a material which is non-transparent to visible light such that growth of lifeforms may be reduced.Type: GrantFiled: September 23, 2011Date of Patent: May 5, 2015Assignee: ASML Netherlands B.V.Inventors: Marcel Mathijs Theodore Marie Dierichs, Sjoerd Nicolaas Lambertus Donders, Johannes Henricus Wilhelmus Jacobs, Hans Jansen, Erik Roelof Loopstra, Jeroen Johannes Sophia Maria Mertens, Marco Koert Stavenga, Bob Streefkerk, Martinus Cornelis Maria Verhagen, Lejla Seuntiens-Gruda
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Patent number: 9013679Abstract: A collector mirror assembly includes a collector mirror that includes a reflective surface and a hole having an edge. The hole extends through the reflective surface. The assembly also includes a tubular body having an inner surface and an outer surface. The tubular body is constructed and arranged to guide a gas flow in a direction substantially transverse to the reflective surface. The outer surface of the tubular body and the edge of the hole form an opening arranged to guide a further gas flow that diverges with respect the gas flow substantially transverse to the reflective surface.Type: GrantFiled: March 18, 2011Date of Patent: April 21, 2015Assignee: ASML Netherlands B.V.Inventors: Dzmitry Labetski, Erik Roelof Loopstra, Antonius Theodorus Wilhelmus Kempen
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Publication number: 20150077729Abstract: A module for producing extreme ultraviolet radiation, including an extreme ultraviolet radiation-emitting source, the source being provided with a supply configured to supply a fluid of an ignition material to a predetermined target ignition position and a target-igniting mechanism constructed and arranged to produce a plasma from the ignition material at the target ignition position, the plasma emitting the extreme ultraviolet radiation; a collector mirror constructed and arranged to focus radiation emitted by the plasma at a focal point; and a heat sink having a thermal energy-diverting surface constructed and arranged to divert thermal energy away from the target ignition position, wherein the heat sink is located at a position proximate the target ignition position.Type: ApplicationFiled: November 4, 2014Publication date: March 19, 2015Applicant: ASML NETHERLANDS B.V.Inventors: Tjarko Adriaan Rudolf VAN EMPEL, Vadim Yevgenyevich BANINE, Vladimir Vitalevich IVANOV, Erik Roelof LOOPSTRA, Johannes Hubertus Josephina MOORS, Jan Bernard Plechelmus VAN SCHOOT, Yuri Johannes Gabriël VAN DE VIJVER, Gerardus Hubertus Petrus Maria SWINKELS, Hendrikus Gijsbertus SCHIMMEL, Dzmitry LABETSKI
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Patent number: 8982359Abstract: A system for detecting motion of a body, the system comprising: a body; a first grating mounted substantially stationary relative to a frame of reference; a second grating mounted on the body; a detector arranged to receive one or more radiation beams diffracted at the first and second gratings thereby to detect motion of the body relative to the frame of reference; wherein the detector is coupled to the body and moveable relative to the body.Type: GrantFiled: August 1, 2012Date of Patent: March 17, 2015Assignee: ASML Netherlands B.V.Inventors: Jan Van Eijk, Erik Roelof Loopstra, Engelbertus Antonius Fransiscus Van Der Pasch, Johannes Petrus Martinus Bernardus Vermeulen
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Patent number: 8975599Abstract: The invention relates to an image sensor for detection of an aerial image formed by a beam of radiation in a lithographic projection apparatus for exposing a pattern onto a substrate held in a substrate plane by a substrate holder. The image sensor has an image detector and a lens. The lens is arranged to project at least part of the aerial image onto the image detector. The image sensor is positioned such within the substrate holder that the lens is positioned proximate the substrate plane.Type: GrantFiled: May 3, 2007Date of Patent: March 10, 2015Assignee: ASML Netherlands B.V.Inventors: Frank Staals, Joeri Lof, Erik Roelof Loopstra, Wim Tjibbo Tel, Bearrach Moest
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Patent number: 8964164Abstract: In a lithographic apparatus, a localized area of the substrate surface under a projection system is immersed in liquid. The height of a liquid supply system above the surface of the substrate can be varied using actuators. A control system uses feedforward or feedback control with input of the surface height of the substrate to maintain the liquid supply system at a predetermined height above the surface of the substrate.Type: GrantFiled: July 21, 2011Date of Patent: February 24, 2015Assignee: ASML Netherlands B.V.Inventors: Bob Streefkerk, Johannes Jacobus Matheus Baselmans, Henrikus Herman Marie Cox, Antonius Theodorus Anna Maria Derksen, Sjoerd Nicolaas Lambertus Donders, Christiaan Alexander Hoogendam, Joeri Lof, Erik Roelof Loopstra, Jeroen Johannes Sophia Maria Mertens, Frits Van Der Meulen, Johannes Catharinus Hubertus Mulkens, Gerardus Petrus Matthijs Van Nunen, Klaus Simon, Bernardus Antonius Slaghekke, Alexander Straaijer, Jan-Gerard Cornelis Van Der Toorn, Martijn Houkes
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Patent number: 8953144Abstract: In a lithographic projection apparatus, a liquid supply system maintains liquid in a space between the projection system and the substrate. The liquid supply system may further include a de-mineralizing unit, a distillation unit, a de-hydrocarbonating unit, a UV radiation source, and/or a filter configured to purify the liquid. A gas content reduction device may be provided to reduce a gas content of the liquid. A chemical may be added to the liquid using an adding device to inhibit lifeform growth and components of the liquid supply system may be made of a material which is non-transparent to visible light such that growth of lifeforms may be reduced.Type: GrantFiled: September 22, 2011Date of Patent: February 10, 2015Assignee: ASML Netherlands B.V.Inventors: Marcel Mathijs Theodore Marie Dierichs, Sjoerd Nicolaas Lambertus Donders, Johannes Henricus Wilhelmus Jacobs, Hans Jansen, Erik Roelof Loopstra, Jeroen Johannes Sophia Maria Mertens, Marco Koert Stavenga, Bob Streefkerk, Martinus Cornelis Maria Verhagen, Lejla Seuntiens-Gruda
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Patent number: 8946661Abstract: A radiation source is configured to produce extreme ultraviolet radiation. The radiation source includes a chamber in which, in use, a plasma is generated, and an evaporation surface configured to evaporate a material formed as a by-product from the plasma and that is emitted to the evaporation surface. A method for removing a by-product material in or from a plasma radiation source of a lithographic apparatus includes evaporating a material which, in use, is emitted to that surface from the plasma.Type: GrantFiled: November 27, 2012Date of Patent: February 3, 2015Assignee: ASML Netherlands B.V.Inventors: Erik Roelof Loopstra, Gerardus Hubertus Petrus Maria Swinkels, Vadim Yevgenyevich Banine, Johannes Hubertus Josephina Moors
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Patent number: 8947641Abstract: In a lithographic apparatus, a slip of a patterning device relative to a support, the support constructed to support the patterning device, may be provided by measuring a position of the support relative to a first structure of the lithographic apparatus; measuring a position of the patterning device relative to a second structure of the lithographic apparatus; determining a correlation between the position of the patterning device and the position of the support from the measured position of the support, the measured position of the patterning device, and the mutual positions of the first and second structures; and deriving from the correlation a slip of the patterning device relative to the support. The structure may include a projection system to project a radiation beam patterned by the patterning device. The projection system may be connected to a frame, such as a metrology frame of the lithographic apparatus.Type: GrantFiled: March 29, 2007Date of Patent: February 3, 2015Assignee: ASML Netherlands B.V.Inventors: Johannes Onvlee, Erik Roelof Loopstra
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Publication number: 20150015858Abstract: Liquid is supplied to a space between the projection system of a lithographic apparatus and a substrate. A flow of gas towards a vacuum inlet prevents the humid gas from escaping to other parts of the lithographic apparatus. This may help to protect intricate parts of the lithographic apparatus from being damaged by the presence of humid gas.Type: ApplicationFiled: October 1, 2014Publication date: January 15, 2015Applicants: ASML NETHERLANDS B.V., CARL ZEISS SMT AGInventors: Christiaan Alexander HOOGENDAM, Erik Roelof LOOPSTRA, Bob STREEFKERK, Bernhard GELLRICH, Andreas WURMBRAND
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Patent number: 8922749Abstract: A lithographic apparatus includes a support to support a patterning device, the patterning device being capable of imparting a radiation beam with a pattern in its cross-section to form a patterned radiation beam, a substrate table constructed to hold a substrate, and a projection system configured to project the patterned radiation beam onto a target portion of the substrate. The lithographic apparatus includes a projection transfer measurement system to measure an optical projection transfer information of the projection system. The projection transfer measurement arrangement includes: an optical device to direct a measurement beam into the projection system during a scanning movement, a detector to detect the measurement beam having passed through the projection system during the scanning movement, and a measurement processor to determine the optical projection transfer information from the detected measurement beam.Type: GrantFiled: October 27, 2010Date of Patent: December 30, 2014Assignee: ASML Netherlands B.V.Inventors: Hans Butler, Erik Roelof Loopstra
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Publication number: 20140375972Abstract: Liquid is supplied to a space between the projection system and the substrate by an inlet. In an embodiment, an overflow region removes liquid above a given level. The overflow region may be arranged above the inlet and thus the liquid may be constantly refreshed and the pressure in the liquid may remain substantially constant.Type: ApplicationFiled: September 9, 2014Publication date: December 25, 2014Applicant: ASML NETHERLANDS B.V.Inventors: Christiaan Alexander HOOGENDAM, Bob Streefkerk, Johannes Catharinus Hubertus Mulkens, Erik Theodorus Maria Bijlaart, Aleksey Yurievich Kolesnychenko, Erik Roelof Loopstra, Jeroen Johannes Sophia Maria Mertens, Bernardus Antonius Slaghekke, Patricius Aloysius Jacobus Tinnemans, Helmar Van Santen
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Patent number: 8917380Abstract: A lithographic apparatus includes a projection system that includes a plurality of reflective optics. One of the reflective optics is provided with an opening which passes through the reflective optic. The opening is closed by a covering layer that is substantially transparent to EUV radiation. The covering layer prevents contamination from entering the projection system, while allowing patterned EUV radiation to pass from the projection system onto a substrate.Type: GrantFiled: April 9, 2012Date of Patent: December 23, 2014Assignee: ASML Netherlands B.V.Inventors: Erik Roelof Loopstra, Sven Pekelder, Han-Kwang Nienhuys
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Patent number: 8913225Abstract: In an immersion lithographic apparatus, a final element is disclosed having, on a surface nearest the substrate, a layer bonded to the surface and having an edge barrier, of the same material as the layer, extending from the layer away from the substrate to shield the final element from a liquid. In an embodiment, the final element is attached to the apparatus via the layer and/or edge barrier, which may be made of a material with a coefficient of thermal expansion lower than the coefficient of thermal expansion of the final element.Type: GrantFiled: July 22, 2011Date of Patent: December 16, 2014Assignee: ASML Netherlands B.V.Inventors: Tammo Uitterdijk, Erik Roelof Loopstra, Laurens Anthony Sanderse
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Patent number: 8901521Abstract: A module for producing extreme ultraviolet radiation includes a supply configured to supply droplets of an ignition material to a predetermined target ignition position and a laser arranged to be focused on the predetermined target ignition position and to produce a plasma by hitting such a droplet which is located at the predetermined target ignition position in order to change the droplet into an extreme ultraviolet producing plasma. Also, the module includes a collector mirror having a mirror surface constructed and arranged to reflect the radiation in order to focus the radiation on a focal point. A fluid supply is constructed and arranged to form a gas flow flowing away from the mirror surface in a direction transverse with respect to the mirror surface in order to mitigate particle debris produced by the plasma.Type: GrantFiled: August 25, 2008Date of Patent: December 2, 2014Assignee: ASML Netherlands B.V.Inventors: Tjarko Adriaan Rudolf Van Empel, Vadim Yevgenyevich Banine, Vladimir Vitalevich Ivanov, Erik Roelof Loopstra, Johannes Hubertus Josephina Moors, Jan Bernard Plechelmus Van Schoot, Yuri Johannes Gabriël Van De Vijver, Gerardus Hubertus Petrus Maria Swinkels, Hendrikus Gijsbertus Schimmel, Dzmitry Labetski
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Publication number: 20140347641Abstract: A device having a waveguide formed of a continuous body of material that is transparent to radiation that passes through the waveguide, wherein the body has an input surface and an output surface, and a cooler configured to cool the input surface and/or the output surface. An exposure apparatus having a programmable patterning device that comprises a plurality of radiation emitters, configured to provide a plurality of radiation beams; and a projection system, comprising a stationary part and a moving part, configured to project the plurality of radiation beams onto locations on a target that are selected based on a pattern, wherein at least one of the radiation emitters comprises a waveguide configured to output a radiation beam that comprises unpolarized and/or circularly polarized radiation.Type: ApplicationFiled: January 24, 2013Publication date: November 27, 2014Applicant: ASML Netherlands B.V.Inventors: Wouter Dick Koek, Arno Jan Bleeker, Erik Roelof Loopstra, Heine Melle Mulder, Erwin John Van Zwet, Dries Smeets, Robert Paul Ebeling
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Publication number: 20140347642Abstract: A lithographic projection apparatus is disclosed for use with an immersion liquid positioned between the projection system and a substrate, Several methods and mechanism are disclosed to protect components of the projection system, substrate table and a liquid confinement system. These include providing a protective coating on a final element of the projection system as well as providing one or more sacrificial bodies upstream of the components. A two component final optical element of CaF2 is also disclosed.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Applicant: ASML NETHERLANDS B.V.Inventors: Erik Roelof LOOPSTRA, Johannes Jacobus Matheus Baselmans, Marcel Mathijs Theodore Marie Dierichs, Johannes Christiaan Maria Jasper, Matthew Lipson, Hendricus Johannes Maria Meijer, Uwe Mickan, Johannes Catharinus Hubertus Mulkens, Tammo Uitterdijk