Patents by Inventor Rolf Theo Anton Apetz
Rolf Theo Anton Apetz 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: 9897724Abstract: The present invention relates to an optical device and a method of in situ treating an optical component (2, 6, 13) reflecting EUV and/or soft X-ray radiation in said optical device, said optical component (2, 6, 13) being arranged in a vacuum chamber (14) of said optical device and comprising one or several reflecting surfaces (3) having a top layer of one or several surface materials. In the method, a source (1, 5) of said one or several surface materials is provided in said chamber (14) of said optical device and surface material from said source (1, 5) is deposited on said one or several reflecting surfaces (3) during operation and/or during operation-pauses of said optical device in order to cover or substitute deposited contaminant material and/or to compensate for ablated surface material.Type: GrantFiled: August 3, 2015Date of Patent: February 20, 2018Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Peter Zink, Christof Metzmacher, Rolf Theo Anton Apetz
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Patent number: 9599812Abstract: Disclosed herein a rotational type foil trap that is capable of avoiding the transmission rate of the EUV light to be lowered even when the EUV light source operates with the high input power and also suppressing the temperature increase of the foil to attain a sufficient life duration. In the rotational type foil trap, one end of each of foils is inserted into each of a plurality of grooves provided on a side face of a center support, and the center support and the each of the foils are fixed together by brazing.Type: GrantFiled: September 5, 2014Date of Patent: March 21, 2017Assignee: USHIO DENKI KABUSHIKI KAISHAInventors: Christof Metzmacher, Hermann Giese, Achim Weber, Hironobu Yabuta, Rolf Theo Anton Apetz, Tatsushi Igarashi, Hiroto Sato, Noritaka Ashizawa
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Publication number: 20160195714Abstract: Disclosed herein a rotational type foil trap that is capable of avoiding the transmission rate of the EUV light to be lowered even when the EUV light source operates with the high input power and also suppressing the temperature increase of the foil to attain a sufficient life duration. In the rotational type foil trap, one end of each of foils is inserted into each of a plurality of grooves provided on a side face of a center support, and the center support and the each of the foils are fixed together by brazing.Type: ApplicationFiled: September 5, 2014Publication date: July 7, 2016Applicant: USHIO DENKI KABUSHIKI KAISHAInventors: Christof METZMACHER, Hermann GIESE, Achim WEBER, Hironobu YABUTA, Rolf Theo Anton APETZ, Tatsushi IGARASHI, Hiroto SATO, Noritaka ASHIZAWA
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Publication number: 20150338560Abstract: The present invention relates to an optical device and a method of in situ treating an optical component (2, 6, 13) reflecting EUV and/or soft X-ray radiation in said optical device, said optical component (2, 6, 13) being arranged in a vacuum chamber (14) of said optical device and comprising one or several reflecting surfaces (3) having a top layer of one or several surface materials. In the method, a source (1, 5) of said one or several surface materials is provided in said chamber (14) of said optical device and surface material from said source (1, 5) is deposited on said one or several reflecting surfaces (3) during operation and/or during operation-pauses of said optical device in order to cover or substitute deposited contaminant material and/or to compensate for ablated surface material.Type: ApplicationFiled: August 3, 2015Publication date: November 26, 2015Inventors: PETER ZINK, CHRISTOF METZMACHER, ROLF THEO ANTON APETZ
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Patent number: 9110390Abstract: A method of in situ treating an optical component reflecting EUV and/or soft X-ray radiation in an optical device includes providing at least one source of one or several surface materials in a vacuum chamber of the optical device where the optical component is arranged. The optical component includes one or several reflecting surfaces having a top layer of one or several surface materials. The method includes providing a source of the one or several surface materials in the chamber, and depositing surface material from the source on the one or several reflecting surfaces during operation and/or during operation-pauses of the optical device in order to cover or substitute deposited contaminant material and/or to compensate for ablated surface material.Type: GrantFiled: June 12, 2007Date of Patent: August 18, 2015Assignee: KONINKLIJKE PHILPS N.V.Inventors: Peter Zink, Christof Metzmacher, Rolf Theo Anton Apetz
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Patent number: 8749178Abstract: The present invention relates to an electrode system, in particular of a gas discharge device for generating EUV radiation and/or soft X-rays. The electrode system comprises at least two electrodes (1, 2) formed of an electrode material which contains Mo or W or an alloy of Mo or W as a main component. The electrode material has a fine grained structure with fine grains having a mean size of <500 nm. With the proposed electrode system, a high thermo-mechanical and thermo-chemical resistance of the electrodes is achieved. The electrode system can therefore be used in known EUV light sources using liquid Sn and being operated at high temperatures.Type: GrantFiled: September 29, 2010Date of Patent: June 10, 2014Assignee: Koninklijke Philips N.V.Inventors: Christof Metzmacher, Jeroen Jonkers, Rolf Theo Anton Apetz
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Publication number: 20120212158Abstract: The present invention relates to an electrode system, in particular of a gas discharge device for generating EUV radiation and/or soft X-rays. The electrode system comprises at least two electrodes (1, 2) formed of an electrode material which contains Mo or W or an alloy of Mo or W as a main component. The electrode material has a fine grained structure with fine grains having a mean size of <500 nm. With the proposed electrode system, a high thermo-mechanical and thermo-chemical resistance of the electrodes is achieved. The electrode system can therefore be used in known EUV light sources using liquid Sn and being operated at high temperatures.Type: ApplicationFiled: September 29, 2010Publication date: August 23, 2012Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Christof Metzmacher, Jeroen Jonkers, Rolf Theo Anton Apetz
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Patent number: 7809112Abstract: A method of generating in particular EUV radiation (12) and/or soft X-ray radiation (12a) emitted by a plasma (26) is described. The plasma (26) is formed by an operating gas (22) in a discharge space (14) which comprises at least one radiation emission window (16) and an electrode system with at least one anode (18) and at least one cathode (20). This electrode system transmits electrical energy to the plasma (26) by means of charge carriers (24) introduced into the discharge space (14). It is suggested for obtaining a reliable ignition of the plasma (26) at high repetition frequencies that a radiation (30) generated by at least one radiation source (28) is introduced into the discharge space (14) for making available the discharge carriers (24).Type: GrantFiled: December 13, 2004Date of Patent: October 5, 2010Assignee: Koninklijke Philips Electronics N.V.Inventors: Günther Hans Derra, Rolf Theo Anton Apetz, Willi Neff, Oliver Rosier, Peter Zink
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Publication number: 20100238422Abstract: The present invention relates to an optical device and a method of in situ treating an optical component (2, 6, 13) reflecting EUV and/or soft X-ray radiation in said optical device, said optical component (2, 6, 13) being arranged in a vacuum chamber (14) of said optical device and comprising one or several reflecting surfaces (3) having a top layer of one or several surface materials. In the method, a source (1, 5) of said one or several surface materials is provided in said chamber (14) of said optical device and surface material from said source (1, 5) is deposited on said one or several reflecting surfaces (3) during operation and/or during operation-pauses of said optical device in order to cover or substitute deposited contaminant material and/or to compensate for ablated surface material.Type: ApplicationFiled: June 12, 2007Publication date: September 23, 2010Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Peter Zink, Christof Metzmacher, Rolf Theo Anton Apetz
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Patent number: 7799136Abstract: A method of cleaning at least one surface of an optical device disposed in a vacuum chamber, which is at least partially contaminated by atoms and/or ions of metalloid and/or metal introduced by a radiation source generating, such as extreme ultraviolet radiation and/or soft X-rays is described. In order to achieve a longer service life for the optical device, the method is designed such that a temperature prevailing on the surface and/or a pressure in the vacuum chamber is adjusted in such a way that the atoms and/or ions hitting the surface are removed.Type: GrantFiled: July 19, 2004Date of Patent: September 21, 2010Assignee: Koninklijke Philips Electronics N.V.Inventor: Rolf Theo Anton Apetz
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Publication number: 20080298552Abstract: A method of generating in particular EUV radiation (12) and/or soft X-ray radiation (12a) emitted by a plasma (26) is described. The plasma (26) is formed by an operating gas (22) in a discharge space (14) which comprises at least one radiation emission window (16) and an electrode system with at least one anode (18) and at least one cathode (20). This electrode system transmits electrical energy to the plasma (26) by means of charge carriers (24) introduced into the discharge space (14). It is suggested for obtaining a reliable ignition of the plasma (26) at high repetition frequencies that a radiation (30) generated by at least one radiation source (28) is introduced into the discharge space (14) for making available the discharge carriers (24).Type: ApplicationFiled: December 13, 2004Publication date: December 4, 2008Applicant: KONINKLIJKE PHILIPS ELECTRONIC, N.V.Inventors: Gunther Hans Derra, Rolf Theo Anton Apetz, Willi Neff, Oliver Rosier, Peter Zink
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Patent number: 7396792Abstract: The present invention relates to highly dense translucent and transparent aluminium oxide components for applications, e.g. in the lighting industry, where a fine crystal size has to be obtained and stabilized for use at temperatures of 800° C. or more. Disclosed are high-strength polycrystalline alumina products which include 0.001-0.5 weight-% ZrO2 stabilizing a fine crystal size <2 ?m or, preferably, <1 ?m if used at temperatures of 800° C. or more. The microstructure exhibits an extremely high relative density enabling a high real in-line transmission >30% measured over an angular aperture of at most 0.5° at a sample thickness of 0.8 mm and with a monochromatic wavelength of light ?, preferably, of 645 nm.Type: GrantFiled: July 2, 2003Date of Patent: July 8, 2008Assignees: Koninklijke Philips Electronics, N.V., Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung e.V.Inventors: Michel Paul Barbara Van Bruggen, Rolf Theo Anton Apetz, Theo Arnold Kop, Andreas Krell, Thomas Hutzler