Patents by Inventor Herman Hendrikus Maalderink
Herman Hendrikus Maalderink 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: 11453171Abstract: A method of and an apparatus (1,29) for forming an object by means of additive manufacturing, the method comprising consecutively providing a plurality of layers (9) of building material (5, 6), and selectively curing one or more pixels (47) of each of the layers (9) during printing thereof. The method comprises a step of providing a first layer (9) of a first building material (5) onto a support surface (4, 30) or a preceding layer (9), and selectively exposing, in accordance with layer data, one or more pixels (47) in the first layer (9) to a dose of radiation (45, 45?). It further comprises the identifying, based on the layer data, of one or more contour pixels (47) in the first layer (9) that coincide with a contour of a featured region of a subsequent second layer (9), wherein the featured region of the second layer (9) is to be provided using a second building material (6) different from the first building material (5).Type: GrantFiled: April 9, 2019Date of Patent: September 27, 2022Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNOInventors: Fabien Bernard Jacques Bruning, Herman Hendrikus Maalderink, Wijnand Christiaan Germs
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Publication number: 20210362431Abstract: A method of and an apparatus (1,29) for forming an object by means of additive manufacturing, the method comprising consecutively providing a plurality of layers (9) of building material (5, 6), and selectively curing one or more pixels (47) of each of the layers (9) during printing thereof. The method comprises a step of providing a first layer (9) of a first building material (5) onto a support surface (4, 30) or a preceding layer (9), and selectively exposing, in accordance with layer data, one or more pixels (47) in the first layer (9) to a dose of radiation (45, 45?). It further comprises the identifying, based on the layer data, of one or more contour pixels (47) in the first layer (9) that coincide with a contour of a featured region of a subsequent second layer (9), wherein the featured region of the second layer (9) is to be provided using a second building material (6) different from the first building material (5).Type: ApplicationFiled: April 9, 2019Publication date: November 25, 2021Inventors: Fabien Bernard Jacques BRUNING, Herman Hendrikus MAALDERINK, Wijnand Christiaan GERMS
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Publication number: 20210195751Abstract: An electronic device (1), is provided that comprises an electronic component (30) that is arranged on a component carrier (23) in a cavity (14) of a stack (10) of layers. One or more layers carry electrical conductors (15). The cavity (14) extends through the stack of layers from one of said layers (12n) to another one of said layers (12x). The component carrier (23) comprises electrically conductive tracks (24) from electric contacts (31) of the electronic component (30) to electric terminals (25) of the component carrier to a wall of the cavity to form an electrical connection with a respective one of said electrical conductors (15).Type: ApplicationFiled: August 28, 2019Publication date: June 24, 2021Inventors: Mathijs Rien DE SCHIPPER, Wijnand Christiaan GERMS, Jeichienus Johannes VAN DER WERFF, Herman Hendrikus MAALDERINK, Fabien Bernard Jacques BRUNING, Andries RIJFERS
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Patent number: 10836102Abstract: A layerwise production method of a tangible object (8). A layer of uncured building material is provided onto a carrier (4, 30). Repeatedly, method cycles are performed, each comprising: providing layer data corresponding to an object layer, selectively exposing the layer of building material based on the layer data for curing thereof, and providing a next layer of building material onto the preceding layer. Each method cycle further includes verifying the cured preceding layer for identifying regions of insufficiently cured building material, and adapting a radiation dose locally for the next layer dependent on whether or not a location to be exposed in accordance with the layer data of the next layer coincides with one of the identified regions of insufficiently cured building material in the preceding layer.Type: GrantFiled: August 31, 2016Date of Patent: November 17, 2020Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNOInventors: Erwin Rinaldo Meinders, Herman Hendrikus Maalderink
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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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Publication number: 20180243977Abstract: A layerwise production method of a tangible object (8). A layer of uncured building material is provided onto a carrier (4, 30). Repeatedly, method cycles are performed, each comprising: providing layer data corresponding to an object layer, selectively exposing the layer of building material based on the layer data for curing thereof, and providing a next layer of building material onto the preceding layer. Each method cycle further includes verifying the cured preceding layer for identifying regions of insufficiently cured building material, and adapting a radiation dose locally for the next layer dependent on whether or not a location to be exposed in accordance with the layer data of the next layer coincides with one of the identified regions of insufficiently cured building material in the preceding layer.Type: ApplicationFiled: August 31, 2016Publication date: August 30, 2018Inventors: Erwin Rinaldo Meinders, Herman Hendrikus Maalderink
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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: 9469070Abstract: An illumination system for use in a system (1) for layerwise production of a tangible object (5) in a liquid reservoir (2) comprises an image forming element (21), an image projection system (22, 23) and a microlens array (7). The illumination system (20) further comprises a controller (24) for controlling the microlens array (7) to perform a movement (9) which is relative to at least part of the image projection system (22, 23) and for controlling the image forming element (21) to form time-varying two-dimensional images synchronously with said movement in such way that microspots (17) describe and solidify a predetermined area of a liquid layer (10) when said movement (9) is also relative to the object (5) under construction.Type: GrantFiled: June 25, 2010Date of Patent: October 18, 2016Assignee: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNOInventors: Jacobus Hubertus Jamar, Herman Hendrikus Maalderink, Wilhelmus Petrus van Vliet
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Patent number: 9205599Abstract: A system for producing a tangible object. The system has a space which can be filled with a fluid. A reference platform at least partially defines at least one side of the space. The system further has a phase-transformer which can form a layer of the object by selectively transforming the fluid into a solid in a predetermined area of the space. An actuator can separate the layer from the reference platform by moving the layer relative to the reference platform or vice versa. The system has a controller connected with an actuator control output to the actuator and/or with a transformer control output to the phase transformer. The controller can control the production of the object based on a determined value of the force exerted on the reference platform or the solid or of a parameter related to the force.Type: GrantFiled: July 6, 2007Date of Patent: December 8, 2015Assignee: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNOInventors: Herman Hendrikus Maalderink, Jasper Joost Michels, Ronaldus Jacobus Johannes Boot
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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: 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: 8696971Abstract: A method cycle of a method for layerwise production of a tangible object (5) comprises the successive steps of: solidifying predetermined parts of a liquid so as to obtain a solid layer (14) having a predetermined shape; separating said solid layer from a construction shape (6); and moving, relative to one another, the separated solid layer and the construction shape to a predetermined position relative to one another. Solidifying is carried out such that the solid layer and the construction shape have nonmatching shapes in the sense that all surface portions of a solid layer side (70) that are or have been in contact with a liquid contacting side (11) of the construction shape can not simultaneously be brought in full contacting engagement with the liquid contacting side.Type: GrantFiled: July 18, 2007Date of Patent: April 15, 2014Assignee: Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNOInventors: Ronaldus Jacobus Johannes Boot, Herman Hendrikus Maalderink
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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: 20130334740Abstract: An illumination system for use in a system (1) for layerwise production of a tangible object (5) in a liquid reservoir (2) comprises an image forming element (21), an image projection system (22, 23) and a microlens array (7). The illumination system (20) further comprises a controller (24) for controlling the microlens array (7) to perform a movement (9) which is relative to at least part of the image projection system (22, 23) and for controlling the image forming element (21) to form time-varying two-dimensional images synchronously with said movement in such way that microspots (17) describe and solidify a predetermined area of a liquid layer (10) when said movement (9) is also relative to the object (5) under construction.Type: ApplicationFiled: June 25, 2010Publication date: December 19, 2013Applicant: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNOInventors: Jacobus Hubertus Jamar, Herman Hendrikus Maalderink, Wilhelmus Petrus van Vliet
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Publication number: 20130303002Abstract: There is provided a three-dimensional interconnect structure for micro-electronic devices and a method for producing such an interconnect structure. The method comprises a step wherein a backbone structure is manufactured using an additive layer-wise manufacturing process. The backbone structure comprises a three-dimensional cladding skeleton and a support structure. The cladding skeleton comprises layered freeform skeleton parts that will form the electric interconnections between the electric contacts of the interconnect structure after a conductive material is applied on the backbone structure. The support structure supports the layered freeform skeleton parts. Parts of the support structure may be removed to isolate and/or expose the electric interconnections. The cladding skeleton can be embedded by an insulating material for providing a further support.Type: ApplicationFiled: November 24, 2011Publication date: November 14, 2013Applicant: Nederlandse Organisatie voor toegepastnatuuwetenschappelijk onderzoek TNOInventors: Gerrit Oosterhuis, Herman Hendrikus Maalderink, Andries Rijfers, René Jos Houben, Clemens Maria Bernardus van der Zon, Leonardus Antonius Maria Brouwers
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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