Patents by Inventor Jacobus Hubertus Theodoor Jamar
Jacobus Hubertus Theodoor Jamar 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: 10114289Abstract: The invention is directed at an exposure head for use in an exposure apparatus for illuminating a surface, the exposure head comprising one or more radiative sources for providing one or more beams, an optical scanning unit arranged for receiving the one or more beams and for directing the beams towards the surface for impinging each of the beams on an impingement spot, a rotation actuating unit connected to the optical scanning unit for at least partially rotating the optical scanning unit, wherein the impingement spots of the one or more beams are scanned across the surface by said at least partial rotation of the optical scanning unit, wherein the optical scanning unit comprises a transmissive element including one or more facets for receiving the one or more beams and for outputting the beams after conveying thereof through the transmissive element, for displacing the beams upon said rotation of the transmissive element for enabling the scanning of the impingement spots.Type: GrantFiled: April 14, 2015Date of Patent: October 30, 2018Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNOInventors: Jacobus Hubertus Theodoor Jamar, Herman Hendrikus Maalderink, Erwin Rinaldo Meinders, Peter Theodorus Maria Giesen, Erwin John van Zwet, Henri Jacques Antoine Jean Starmans
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Patent number: 9751292Abstract: An additive fabrication apparatus with an efficient reversal mechanism to reverse the orientation of foil guiding rollers is contemplated. To this end, according to an aspect, a foil guiding system comprising: a flexible foil guiding roller; and a bearing system arranged to bear said guiding roller, said bearing system comprised of end locking elements axially locking to the roller; a bearing arrangement defining a bearing position having the roller curved in bearing engagement. The bearing arrangement engages with an outer face of said roller in a manner so as to thereby flex the roller between at least two bearing positions in conformity with a rolling direction. The flexible roller in connection with the outside bearings replaces a fixed shaft arrangement of the prior art, which is easily tunable to the foil movement direction.Type: GrantFiled: October 31, 2011Date of Patent: September 5, 2017Assignee: DSM IP ASSETS B.V.Inventors: Jacobus Hubertus Theodoor Jamar, Herman Hendrikus Maalderink, Jeroen Anthonius Smeltink, Maarten Van Lent
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Publication number: 20170038690Abstract: The invention is directed at an exposure head for use in an exposure apparatus for illuminating a surface, the exposure head comprising one or more radiative sources for providing one or more beams, an optical scanning unit arranged for receiving the one or more beams and for directing the beams towards the surface for impinging each of the beams on an impingement spot, a rotation actuating unit connected to the optical scanning unit for at least partially rotating the optical scanning unit, wherein the impingement spots of the one or more beams are scanned across the surface by said at least partial rotation of the optical scanning unit, wherein the optical scanning unit comprises a transmissive element including one or more facets for receiving the one or more beams and for outputting the beams after conveying thereof through the transmissive element, for displacing the beams upon said rotation of the transmissive element for enabling the scanning of the impingement spots.Type: ApplicationFiled: April 14, 2015Publication date: February 9, 2017Inventors: Jacobus Hubertus Theodoor Jamar, Herman Hendrikus Maalderink, Erwin Rinaldo Meinders, Peter Theodorus Maria Giesen, Erwin John van Zwet, Henri Jacques Antoine Jean Starmans
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Patent number: 9481542Abstract: A foil processing device comprises at least two supply units for supplying at least two foils for processing, a processing unit for processing the at least two foils to each other and a transport unit for transporting the foils from the supply unit to the processing unit. At least one of the foils is segmented comprising mechanically weak zones separating subsequent foil segments for enabling real-time correction of a relative position between the foils. The transport unit includes at least two support members for supporting at least two subsequent segments of the segmented foil.Type: GrantFiled: February 7, 2013Date of Patent: November 1, 2016Assignee: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNOInventors: Jacobus Hubertus Theodoor Jamar, Irene Kaashoek
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Publication number: 20150018188Abstract: A foil processing device comprises at least two supply units for supplying at least two foils for processing, a processing unit for processing the at least two foils to each other and a transport unit for transporting the foils from the supply unit to the processing unit. At least one of the foils is segmented comprising mechanically weak zones separating subsequent foil segments for enabling real-time correction of a relative position between the foils. The transport unit includes at least two support members for supporting at least two subsequent segments of the segmented foil.Type: ApplicationFiled: February 7, 2013Publication date: January 15, 2015Inventors: Jacobus Hubertus Theodoor Jamar, Irene Kaashoek
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Patent number: 8915620Abstract: The present invention relates to an illumination system for use in a stereolithography apparatus. The illumination system includes a plurality of light-emitting diodes (LEDs), each LED having at least a first light-emitting surface and a second surface, at least one of the first and the second surface being substantially flat. The illumination further includes a plurality of electrical pathways, selectively connected to the respective LEDs, such that each LED can be individually controlled and a leveling surface. The leveling surface is substantially flat and in leveling contact with the at least one substantially flat surface of each LED, such that a two-dimensional array of LEDs extends in a plane parallel to the leveling surface.Type: GrantFiled: January 29, 2010Date of Patent: December 23, 2014Assignee: Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek TNOInventors: Mark Herman Else Vaes, Herman Hendrikus Maalderink, Adrianus Johannes Petrus Maria Vermeer, Jacobus Hubertus Theodoor Jamar, Antonius Hubertus Joannes Gerardus Lommen, Andries Rijfers
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Patent number: 8905739Abstract: A system and method of layerwise production of a tangible object (5), they system comprising a construction shape (6) to form a liquid layer to be brought in contact with the tangible object; solidifying means (9) for solidifying a predetermined area of a layer (10) of the liquid (3), so as to obtain a solid layer (14) of the tangible object (5), the solid layer thus having a predetermined shape, separating means (18; 19?; 19?) for separating said solid layer from said construction shape; moving means (18) for moving, relative to one another, the construction shape (6) to a predetermined position relative to the tangible object (5), for carrying out a successive such method cycle for solidifying a predetermined area of a successive such liquid layer; the system is arranged to provide a limited volume of liquid adhered to the construction shape to form a liquid layer of limited height that does not contact the tangible object; wherein said moving of said construction shape and said solidifying of said predeterType: GrantFiled: December 18, 2009Date of Patent: December 9, 2014Assignee: Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNOInventors: Adrianus Johannes Petrus Maria Vermeer, Herman Hendrikus Maalderink, Jacobus Hubertus Theodoor Jamar, Andries Rijfers, Mark Herman Else Vaes
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Patent number: 8873024Abstract: The invention concerns an illumination system for use in a stereolithography apparatus, comprising a planar support supporting a two-dimensional array of individually controllable wide-angle light-emitting diodes (LEDs); and a multilens projector array arranged relative to the array, and adapted to project a focused image of the LEDs onto a work area. The multilens projector array is arranged to project light from the LED array having a light emitting edge area image spot size which is smaller than or equal to a light emitting central area image spot size.Type: GrantFiled: March 8, 2010Date of Patent: October 28, 2014Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNOInventors: Jacobus Hubertus Theodoor Jamar, Herman Hendrikus Maalderink, Andries Rijfers, Borgert Kruizinga, Jentske D. Kooistra
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Patent number: 8836916Abstract: The invention concerns an illumination system for use in a stereolithography apparatus, comprising: a planar support; a multilens projector array mechanically supported on the planar support over the array on a plano side, and having a work surface arranged to receive a resin applying device for applying a resin layer, the projector array comprising a stack of optical elements, including a plurality of lenslets adapted to project the LEDs onto the work surface, and a two-dimensional array of individually controllable light-emitting diodes (LEDs) arranged between the planar support and the multilens projector. According to an aspect, the planar support and the plano side are supported on contact zones arranged over substantially the entire plano side; the illumination system thus forming a rigid body.Type: GrantFiled: March 8, 2010Date of Patent: September 16, 2014Assignees: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO, DSM IP Assets B.V.Inventors: Jacobus Hubertus Theodoor Jamar, Andries Rijfers, Borgert Kruizinga, Jentske D. Kooistra, Mark Herman Else Vaes
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Patent number: 8777602Abstract: A system and method for layer-by-layer production of an object is provided. The system includes a construction shape having a carrying surface adapted for carrying a layer of build material, a plate having a holding surface adapted for holding an object in an object build area, a moveable reservoir having a plurality of containment surfaces defining a containment area adapted for containing a volume of build material within the moveable reservoir, and an exposure unit adapted for exposing at least a portion of the layer of build material in the object build area so that the portion of the layer of build material solidifies to form a solidified layer of the object.Type: GrantFiled: June 22, 2011Date of Patent: July 15, 2014Assignee: Nederlandse Organisatie Voor Tobgepast-Natuurwetenschappelijk Onderzoek TNOInventors: Adrianus Johannes Petrus Maria Vermeer, Herman Hendrikus Maalderink, Jacobus Hubertus Theodoor Jamar, Andries Rijfers, Mark Herman Else Vaes
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Patent number: 8678805Abstract: A system and method for layer-by-layer production of an object is provided. The system includes a construction shape having a carrying surface adapted for carrying a layer of build material, a plate having a holding surface adapted for holding an object in an object build area, a moveable reservoir having a plurality of containment surfaces defining a containment area adapted for containing a volume of build material within the moveable reservoir, and an exposure unit adapted for exposing at least a portion of the layer of build material in the object build area so that the portion of the layer of build material solidifies to form a solidified layer of the object.Type: GrantFiled: February 2, 2012Date of Patent: March 25, 2014Assignee: DSM IP Assets BVInventors: Adrianus Johannes Petrus Maria Vermeer, Herman Hendrikus Maalderink, Jacobus Hubertus Theodoor Jamar, Andries Rijfers, Mark Herman Else Vaes, Brian Bauman, Richard Thomas
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Publication number: 20140070463Abstract: A method cycle of a method for layerwise production of a tangible object (5) comprises the steps of:—solidifying a predetermined area of a layer (10) of a liquid (3) when said liquid layer (10) is adjoining a construction shape, so as to obtain a solid layer (14) of the tangible object (5);—separating said solid layer from said construction shape; and—moving, relative to one another, the separated solid layer and the construction shape to a predetermined position relative to one another for carrying out a successive such method cycle, so as to obtain a successive such solid layer adhered to the solid layer. For at least one of said method cycles, said solidifying and said separating are carried out such that solidifying of certain parts of the layer (14) takes place simultaneously with separating of other, already solidified parts of the layer.Type: ApplicationFiled: November 18, 2013Publication date: March 13, 2014Applicant: Nederlandse Organisatie voor toegepastnatuurwetenschappelijk onderzoek TNOInventors: Ronaldus Jacobus Johannes BOOT, Herman Hendrikus MAALDERINK, Jacobus Hubertus Theodoor JAMAR
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Publication number: 20130213567Abstract: An additive fabrication apparatus with an efficient reversal mechanism to reverse the orientation of foil guiding rollers is contemplated. To this end, according to an aspect, a foil guiding system comprising: a flexible foil guiding roller; and a bearing system arranged to bear said guiding roller, said bearing system comprised of end locking elements axially locking to the roller; a bearing arrangement defining a bearing position having the roller curved in bearing engagement. The bearing arrangement engages with an outer face of said roller in a manner so as to thereby flex the roller between at least two bearing positions in conformity with a rolling direction. The flexible roller in connection with the outside bearings replaces a fixed shaft arrangement of the prior art, which is easily tunable to the foil movement direction.Type: ApplicationFiled: October 31, 2011Publication date: August 22, 2013Applicant: DSM IP ASSETS B.V.Inventors: Jacobus Hubertus Theodoor Jamar, Herman Hendrikus Maalderink, Jeroen Anthonius Smeltink, Maarten Van Lent
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Publication number: 20120313294Abstract: A system and method for layer-by-layer production of an object is provided. The system includes a construction shape having a carrying surface adapted for carrying a layer of build material, a plate having a holding surface adapted for holding an object in an object build area, a moveable reservoir having a plurality of containment surfaces defining a containment area adapted for containing a volume of build material within the moveable reservoir, and an exposure unit adapted for exposing at least a portion of the layer of build material in the object build area so that the portion of the layer of build material solidifies to form a solidified layer of the object.Type: ApplicationFiled: February 2, 2012Publication date: December 13, 2012Applicant: DSM IP ASSETS BVInventors: Adrianus Johannes Petrus Maria Vermeer, Herman Hendrikus Maalderink, Jacobus Hubertus Theodoor Jamar, Andries Rijfers, Mark Herman Else Vaes, Brian Bauman, Richard Thomas
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Publication number: 20120168989Abstract: A system and method of layerwise production of a tangible object (5), they system comprising a construction shape (6) to form a liquid layer to be brought in contact with the tangible object; solidifying means (9) for solidifying a predetermined area of a layer (10) of the liquid (3), so as to obtain a solid layer (14) of the tangible object (5), the solid layer thus having a predetermined shape, separating means (18; 19?; ·?) for separating said solid layer from said construction shape; moving means (18) for moving, relative to one another, the construction shape (6) to a predetermined position relative to the tangible object (5), for carrying out a successive such method cycle for solidifying a predetermined area of a successive such liquid layer; the system is arranged to provide a limited volume of liquid adhered to the construction shape to form a liquid layer of limited height that does not contact the tangible object; wherein said moving of said construction shape and said solidifying of said predetermType: ApplicationFiled: December 18, 2009Publication date: July 5, 2012Applicant: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNOInventors: Adrianus Johannes Petrus Maria Vermeer, Herman Hendrikus Maalderink, Jacobus Hubertus Theodoor Jamar, Andries Rijfers, Mark Herman Else Vaes
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Publication number: 20120106150Abstract: An illumination system (30), comprising: a plurality of light-emitting diodes (LEDs) (34), each LED having at least a first, light-emitting surface (36) and a second surface (37), at least one of the first and the second surface being substantially flat; a plurality of electrical pathways (56), selectively connected to the respective LEDs, such that each LED can be individually controlled; and a levelling surface (46, 52), wherein the levelling surface is substantially flat and in levelling contact with the at least one substantially flat surface (37, 36) of each LED, such that a two-dimensional array of LEDs extends in a plane parallel to the levelling surface.Type: ApplicationFiled: January 29, 2010Publication date: May 3, 2012Applicant: Nederlandse Organisatie Voor toegepast- natuurwetenschappelijk onderzoek TNOInventors: Mark Herman Else Vaes, Herman Hendrikus Maalderink, Adrianus Johannes Petrus Maria Vermeer, Jacobus Hubertus Theodoor Jamar, Antonius Hubertus Joannes Gerardus Lommen, Andries Rijfers
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Publication number: 20120063131Abstract: The invention concerns an illumination system for use in a stereolithography apparatus, comprising a planar support supporting a two-dimensional array of individually controllable wide-angle light-emitting diodes (LEDs); and a multilens projector array arranged relative to the array, and adapted to project a focused image of the LEDs onto a work area. The multilens projector array is arranged to project light from the LED array having a light emitting edge area image spot size which is smaller than or equal to a light emitting central area image spot size.Type: ApplicationFiled: March 8, 2010Publication date: March 15, 2012Inventors: Jacobus Hubertus Theodoor Jamar, Herman Hendrikus Maalderink, Andries Rijfers, Borgert Kruizinga, Jentske D. Kooistra
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Publication number: 20120057143Abstract: The invention concerns an illumination system for use in a stereolithography apparatus, comprising: a planar support; a multilens projector array mechanically supported on the planar support over the array on a plano side, and having a work surface arranged to receive a resin applying device for applying a resin layer, the projector array comprising a stack of optical elements, including a plurality of lenslets adapted to project the LEDs onto the work surface, and a two-dimensional array of individually controllable light-emitting diodes (LEDs) arranged between the planar support and the multilens projector. According to an aspect, the planar support and the plano side are supported on contact zones arranged over substantially the entire plano side; the illumination system thus forming a rigid body.Type: ApplicationFiled: March 8, 2010Publication date: March 8, 2012Applicants: DSM IP ASSETS B.V., Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNOInventors: Jacobus Hubertus Theodoor Jamar, Andries Rijfers, Borgert Kruizinga, Jentske D. Kooistra, Mark Herman Else Vaes
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Publication number: 20120007287Abstract: A system and method for layer-by-layer production of an object is provided. The system includes a construction shape having a carrying surface adapted for carrying a layer of build material, a plate having a holding surface adapted for holding an object in an object build area, a moveable reservoir having a plurality of containment surfaces defining a containment area adapted for containing a volume of build material within the moveable reservoir, and an exposure unit adapted for exposing at least a portion of the layer of build material in the object build area so that the portion of the layer of build material solidifies to form a solidified layer of the object.Type: ApplicationFiled: June 22, 2011Publication date: January 12, 2012Applicant: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TInventors: Adrianus Maria VERMEER, Herman Hendrikus MAALDERINK, Jacobus Hubertus Theodoor JAMAR, Andries RIJFERS, Mark Herman Else VAES
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Patent number: 7969626Abstract: A scanner and a method of scanning an image on an original includes an optical sensor having sensor elements for each of three basic colors that is used to generate pixel values of the scanned image. Each pixel value represents an optical density of a pixel of the image and is generated mainly on the basis of a signal of only one of the sensor elements. Each of the sensor elements for each of the basic colors is used to generate pixel values representing substantially different parts of the image.Type: GrantFiled: May 27, 2008Date of Patent: June 28, 2011Assignee: Oce-Technologies B.V.Inventors: Cornelis Bartholomeus Maria Van Mil, Jacobus Hubertus Theodoor Jamar, Robertus Johannes Adam Gorter