Patents by Inventor Wolfgang Retschke
Wolfgang Retschke 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: 9523873Abstract: A direct imaging system comprises an illumination unit comprising a plurality of light sources, the plurality of light sources configured to emit a plurality of beams, an optical system for forming the plurality of beams to be aligned in position or angle, an acoustic optical modulator positioned to receive the plurality of beams aligned in one of position or angle and to consecutively diffract different portions of the plurality of beams as an acoustic wave propagates in an acoustic direction, and a scanning element adapted to scan an exposure plane with the plurality of beams modulated by the acoustic optical modulator at a scanning velocity, wherein the scanning velocity is selected to incoherently unite the different portions of the plurality of beams into a single exposure spot.Type: GrantFiled: January 23, 2015Date of Patent: December 20, 2016Assignees: Orbotech Ltd., Laser Imaging Systems GmbH & Co. KGInventors: Stefan Heinemann, Wolfgang Retschke, Holger Wagner, Jonas Burghoff, Abraham Gross
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Publication number: 20150168749Abstract: A direct imaging system comprises an illumination unit comprising a plurality of light sources, the plurality of light sources configured to emit a plurality of beams, an optical system for forming the plurality of beams to be aligned in position or angle, an acoustic optical modulator positioned to receive the plurality of beams aligned in one of position or angle and to consecutively diffract different portions of the plurality of beams as an acoustic wave propagates in an acoustic direction, and a scanning element adapted to scan an exposure plane with the plurality of beams modulated by the acoustic optical modulator at a scanning velocity, wherein the scanning velocity is selected to incoherently unite the different portions of the plurality of beams into a single exposure spot.Type: ApplicationFiled: January 23, 2015Publication date: June 18, 2015Applicants: LASER IMAGING SYSTEMS GMBH & CO. KG, ORBOTECH LTD.Inventors: Stefan HEINEMANN, Wolfgang RETSCHKE, Holger WAGNER, Jonas BURGHOFF, Abraham GROSS
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Patent number: 8964274Abstract: A direct imaging system comprises an illumination unit comprising a plurality of light sources, the plurality of light sources configured to emit a plurality of beams, an optical system for forming the plurality of beams to be aligned in position or angle, an acoustic optical modulator positioned to receive the plurality of beams aligned in one of position or angle and to consecutively diffract different portions of the plurality of beams as an acoustic wave propagates in an acoustic direction, and a scanning element adapted to scan an exposure plane with the plurality of beams modulated by the acoustic optical modulator at a scanning velocity, wherein the scanning velocity is selected to incoherently unite the different portions of the plurality of beams into a single exposure spot.Type: GrantFiled: August 1, 2013Date of Patent: February 24, 2015Assignees: Orbotech Ltd., Laser Imaging Systems GmbH & Co. KGInventors: Stefan Heinemann, Wolfgang Retschke, Holger Wagner, Jonas Burghoff, Abraham Gross
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Publication number: 20130321898Abstract: A direct imaging system comprises an illumination unit comprising a plurality of light sources, the plurality of light sources configured to emit a plurality of beams, an optical system for forming the plurality of beams to be aligned in position or angle, an acoustic optical modulator positioned to receive the plurality of beams aligned in one of position or angle and to consecutively diffract different portions of the plurality of beams as an acoustic wave propagates in an acoustic direction, and a scanning element adapted to scan an exposure plane with the plurality of beams modulated by the acoustic optical modulator at a scanning velocity, wherein the scanning velocity is selected to incoherently unite the different portions of the plurality of beams into a single exposure spot.Type: ApplicationFiled: August 1, 2013Publication date: December 5, 2013Applicants: Laser Imaging Systems GmbH & Co. KG, Orbotech Ltd.Inventors: Stefan HEINEMANN, Wolfgang RETSCHKE, Holger WAGNER, Jonas BURGHOFF, Abraham GROSS
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Patent number: 8531751Abstract: A direct imaging system comprises an illumination unit comprising a plurality of light sources, the plurality of light sources configured to emit a plurality of beams, an optical system for forming the plurality of beams to be aligned in position or angle, an acoustic optical modulator positioned to receive the plurality of beams aligned in one of position or angle and to consecutively diffract different portions of the plurality of beams as an acoustic wave propagates in an acoustic direction, and a scanning element adapted to scan an exposure plane with the plurality of beams modulated by the acoustic optical modulator at a scanning velocity, wherein the scanning velocity is selected to incoherently unite the different portions of the plurality of beams into a single exposure spot.Type: GrantFiled: August 19, 2011Date of Patent: September 10, 2013Assignees: Orbotech Ltd., Laser Imaging Systems GmbH & Co. KGInventors: Stefan Heinemann, Wolfgang Retschke, Holger Wagner, Jonas Burghoff, Abraham Gross
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Publication number: 20130044360Abstract: A direct imaging system comprises an illumination unit comprising a plurality of light sources, the plurality of light sources configured to emit a plurality of beams, an optical system for forming the plurality of beams to be aligned in position or angle, an acoustic optical modulator positioned to receive the plurality of beams aligned in one of position or angle and to consecutively diffract different portions of the plurality of beams as an acoustic wave propagates in an acoustic direction, and a scanning element adapted to scan an exposure plane with the plurality of beams modulated by the acoustic optical modulator at a scanning velocity, wherein the scanning velocity is selected to incoherently unite the different portions of the plurality of beams into a single exposure spot.Type: ApplicationFiled: August 19, 2011Publication date: February 21, 2013Applicants: LASER IMAGING SYSTEMS GMBH & CO. KG, ORBOTECH LTD.Inventors: Stefan HEINEMANN, Wolfgang RETSCHKE, Holger WAGNER, Jonas BURGHOFF, Abraham GROSS
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Patent number: 7453486Abstract: Apparatus for transmitting information at a data rate, such as for recording an image on a photosensitive surface, including a pulsed light source that produces pulsed light having a pulsed repetition rate and a modulator that asynchronously modulates the pulsed light at the date rate, wherein the data rate is higher than pulse repetition rate.Type: GrantFiled: December 31, 2005Date of Patent: November 18, 2008Assignee: Orbotech LtdInventors: Yigal Katzir, Boris Kling, Avraham Gross, Wolfgang Retschke
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Patent number: 7259777Abstract: Apparatus for holding flat plates of varying sizes, including a base section having a flat surface and including plurality of interconnected channels formed on the surface thereof; at least one port connecting to the channels; a vacuum source connected to the at least one port; and an intermediate plate covering substantially all of the channels and having a multiplicity of holes formed therethrough, the holes being arranged to be covered by a flat plate that is to be held to the flat surface.Type: GrantFiled: March 3, 2006Date of Patent: August 21, 2007Assignee: Laser Imaging Systems GmbH & Co. KGInventors: Wolfgang Retschke, Wolfgang Senf, Steffen Rucker, Uwe Klowsky, Udo Battig, Ulrich Baumann
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Patent number: 7092000Abstract: Apparatus far transmitting information at a data rate, such as for recording an image on a photosensitive surface, including a pulsed light source that produces pulsed light having a pulsed repetition rate and a modulator that asynchronously modulates the pulsed light at the data rate, wherein the data rate is higher than pulse repetition rate.Type: GrantFiled: December 13, 2000Date of Patent: August 15, 2006Assignee: Orbotech Ltd.Inventors: Yigal Katzir, Boris Kling, Avraham Gross, Wolfgang Retschke
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Publication number: 20060132590Abstract: Apparatus for holding flat plates of varying sizes, including a base section having a flat surface and including plurality of interconnected channels formed on the surface thereof; at least one port connecting to the channels; a vacuum source connected to the at least one port; and an intermediate plate covering substantially all of the channels and having a multiplicity of holes formed therethrough, the holes being arranged to be covered by a flat plate that is to be held to the flat surface.Type: ApplicationFiled: March 3, 2006Publication date: June 22, 2006Applicant: LASER IMAGING SYSTEMS GMBH & CO. KGInventors: Wolfgang RETSCHKE, Wolfgang SENF, Steffen RUCKER, Uwe KLOWSKY, Udo BATTIG, Ulrich BAUMANN
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Publication number: 20060103719Abstract: Apparatus for transmitting information at a data rate, such as for recording an image on a photosensitive surface, including a pulsed light source that produces pulsed light having a pulsed repetition rate and a modulator that asynchronously modulates the pulsed light at the date rate, wherein the data rate is higher than pulse repetition rate.Type: ApplicationFiled: December 31, 2005Publication date: May 18, 2006Applicant: ORBOTECH LTD.Inventors: Yigal KATZIR, Boris KLING, Avraham GROSS, Wolfgang RETSCHKE
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Patent number: 7046266Abstract: A method of scanning for writing a pattern on a surface, including providing a scanning beam comprised of a plurality of independently addressable sub-beams, scanning the surface with the scanning beam a plurality of times, the sub-beams scanning the surface side-by-side in the cross-scan direction, each sub-beam being modulated to reflect information to be written, and overlapping the beams in successive scans in the cross scan direction such that all written areas of the surface are written on during at least two scans.Type: GrantFiled: March 15, 1999Date of Patent: May 16, 2006Assignee: Laser Imaging Systems GmbH & Co. KGInventors: Wolfgang Retschke, Wolfgang Senf, Steffen Rücker, Uwe Klowsky, Udo Battig, Ulrich Baumann
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Patent number: 6770866Abstract: Apparatus for scanning a beam across a surface including a scanner scanning a pulsed laser beam across a surface and a position indicator receiving an input from the pulsed laser beam at a plurality of locations across the surface, and outputting position indications indicating a position of said pulsed laser beam along said surface. The position indications are used to modulate data in apparatus for exposing patterns on surfaces, for example electrical circuit patterns on photosensitized surfaces. One use of such apparatus is the manufacture of electrical circuits.Type: GrantFiled: January 3, 2002Date of Patent: August 3, 2004Assignee: Laser Imaging Systems GmbH & Co. KGInventors: Wolfgang Retschke, Wolfgang Senf, Yigal Katzir
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Publication number: 20020141024Abstract: Apparatus for scanning a beam across a surface including a scanner scanning a pulsed laser beam across a surface and a position indicator receiving an input from the pulsed laser beam at a plurality of locations across the surface, and outputting position indications indicating a position of said pulsed laser beam along said surface. The position indications are used to modulate data in apparatus for exposing patterns on surfaces, for example electrical circuit patterns on photosensitized surfaces. One use of such apparatus is the manufacture of electrical circuits.Type: ApplicationFiled: January 3, 2002Publication date: October 3, 2002Inventors: Wolfgang Retschke, Wolfgang Senf, Yigal Katzir
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Publication number: 20010010536Abstract: Apparatus for transmitting information at a data rate, comprising:Type: ApplicationFiled: December 13, 2000Publication date: August 2, 2001Inventors: Yigal Katzir, Boris Kling, Avraham Gross, Wolfgang Retschke
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Patent number: 4704348Abstract: Exposure of fine patterns on a photoresist is carried out by controlling the humidity and temperature of a gas to be supplied to an exposure apparatus separate from the ambient atmosphere.Temperature of the atmosphere at least in the vicinity of a photoresist is controlled in a predetermined range and air or gas to be supplied to the exposure space is humidified to a desired degree.Water content in the photoresist is kept uniform and constant by the specially controlled atmosphere and enables uniform pattern width of the exposed fine pattern all over the photoresist surface.Type: GrantFiled: September 25, 1985Date of Patent: November 3, 1987Assignees: Hitachi, Ltd., Veb Carl Zeiss Jena. DDR.Inventors: Yasuhiro Koizumi, Soichi Torisawa, Walter Gartner, Gudrun Dietz, Wolfgang Retschke