Patents by Inventor Ivar Schram
Ivar Schram 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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Publication number: 20150241689Abstract: The subject matter disclosed herein relates to an electrowetting display comprising: a transparent substrate including glass spacers surrounded by recessed regions corresponding to pixel regions, a layer of transparent conductive material on the glass spacers, color filter material in the recessed regions, and a transparent support plate covering the recessed regions and the glass spacers, wherein the transparent support plate includes an electrowetting oil.Type: ApplicationFiled: February 25, 2014Publication date: August 27, 2015Applicant: Amazon Technologies, Inc.Inventors: Toru Sakai, Ivar Schram
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Patent number: 9069161Abstract: A display device comprising picture elements, which are constituted by electrowetting elements having at least one first fluid and a second fluid immiscible with each other within a space between a first support plate and a second support plate, the second fluid being electro-conductive or polar. The first fluid in each element is at the side of the first support plate confined by element walls, and the second fluid is shared by a plurality of picture elements, characterized by a preventer for preventing first fluid portions from being expelled from its confinement when forces other than electrowetting forces are exerted on this fluid.Type: GrantFiled: March 6, 2013Date of Patent: June 30, 2015Assignee: Amazon Technologies, Inc.Inventors: Robert A. Hayes, Andrea Giraldo, Anthony John Slack, Bokke Johannes Feenstra, Roy Van Dijk, Ivar Schram
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Publication number: 20150077834Abstract: An electrowetting display device includes a wall layer having a first part located on a first area of a surface of a hydrophobic layer and a second part located on a second area of the surface. The second area has a lower hydrophobicity than the first area.Type: ApplicationFiled: November 21, 2014Publication date: March 19, 2015Inventors: Paul VERMEULEN, Bruce SCOTT, Mick EVANS, Ivar SCHRAM
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Patent number: 8896903Abstract: The present invention relates to a method of making an electrowetting display device having a plurality of picture elements, each picture element being defined by walls surrounding a display region, the plurality of picture elements covering a first area of a support plate. The method comprises the steps of: applying a hydrophobic layer covering at least the first area; lowering the hydrophobicity of the hydrophobic layer over a second area substantially outside the display regions; forming the walls on the hydrophobic layer over the first area. The present invention further relates to an electrowetting display device.Type: GrantFiled: May 1, 2012Date of Patent: November 25, 2014Assignee: Amazon Technologies, Inc.Inventors: Paul Vermeulen, Bruce Scott, Mick Evans, Ivar Schram
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Publication number: 20140266992Abstract: A method of manufacturing a support plate for an electrowetting device includes providing a first hydrophobic layer on a substrate, reducing the hydrophobicity of a surface of the first hydrophobic layer and providing a second hydrophobic layer on at least part of the surface with reduced hydrophobicity.Type: ApplicationFiled: June 2, 2014Publication date: September 18, 2014Applicant: Liquavista B.V.Inventors: Ivar Schram, Chiara Cometti
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Publication number: 20140211292Abstract: A method of manufacturing an electrowetting element includes: providing a layer of a first liquid on a first area of a first support plate; providing a layer of a second liquid on the layer of first liquid; and providing a second support plate on the layer of the second liquid by moving the second support plate along a surface of the layer of the second liquid.Type: ApplicationFiled: March 28, 2014Publication date: July 31, 2014Applicant: Liquavista B.V.Inventors: Ivar Schram, Ernest Phaff, Jacco Van Der Gaag, Henk Leenen, Harco Jansen
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Publication number: 20140199485Abstract: A method of depositing an imprintable medium onto a target area of a substrate for imprint lithography is disclosed. The method includes moving the substrate, a print head comprising a nozzle to eject an imprintable medium onto the substrate, or both, relative to the other in a first direction across the target area while ejecting a first series of droplets of imprintable medium onto the substrate and moving the substrate, the print head; or both, relative to the other in a second opposing direction across the target area while ejecting a second series of droplets of imprintable medium onto the substrate on or adjacent to droplets from the first series of droplets.Type: ApplicationFiled: March 21, 2014Publication date: July 17, 2014Applicant: ASML NETHERLANDS B.V.Inventors: Ivar SCHRAM, Johan Frederik Dijksman, Sander Frederik Wuister, Yvonne Wendela Kruijt-Stegeman, Jeroen Herman Lammers
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Publication number: 20140192396Abstract: A method of providing a layer of a first fluid and a layer of a second fluid on a first area of a support plate of an electrowetting device includes providing an emulsion of dispersed first fluid and continuous second fluid, the emulsion including an amount of the second fluid for forming the layer of the second fluid.Type: ApplicationFiled: March 11, 2014Publication date: July 10, 2014Applicants: Liquavista B.V., Sekisui Chemical Co., Ltd.Inventors: Ivar Schram, Akira Nakasuga, Bokke Johannes Feenstra
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Publication number: 20140124971Abstract: An imprint lithography apparatus is disclosed that includes a support structure configured to hold an imprint template. The apparatus further includes an actuator located between the support structure and a side of the imprint template, when the imprint template is held by the support structure, configured to apply a force to the imprint template and a force sensor between the support structure and a side of the imprint template, when the imprint template is held by the support structure.Type: ApplicationFiled: November 11, 2013Publication date: May 8, 2014Applicant: ASML NETHERLANDS B.V.Inventors: Yvonne Wendela KRUIJT-STEGEMAN, Raymond Jacobus Wilhelmus Knaapen, Johan Frederik Dijksman, Sander Frederik Wuister, Ivar Schram, Raymond Wilhelmus Louis Lafarre
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Patent number: 8707890Abstract: A method of depositing an imprintable medium onto a target area of a substrate for imprint lithography is disclosed. The method includes moving the substrate, a print head comprising a nozzle to eject an imprintable medium onto the substrate, or both, relative to the other in a first direction across the target area while ejecting a first series of droplets of imprintable medium onto the substrate and moving the substrate, the print head, or both, relative to the other in a second opposing direction across the target area while ejecting a second series of droplets of imprintable medium onto the substrate on or adjacent to droplets from the first series of droplets.Type: GrantFiled: July 18, 2006Date of Patent: April 29, 2014Assignee: ASML Netherlands B.V.Inventors: Ivar Schram, Johan Frederik Dijksman, Sander Frederik Wuister, Yvonne Wendela Kruijt-Stegeman, Jeroen Herman Lammers
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Patent number: 8696847Abstract: A layer of a first fluid and a layer of a second fluid are provided on a first area of a support plate of an electrowetting device, the first fluid and the second fluid being immiscible and the first area having a higher wettability for the first fluid than for the second fluid. The method includes providing an emulsion of dispersed first fluid and continuous second fluid; bringing the first area and the emulsion in contact; the dispersed first fluid coalescing to form the layer of the first fluid on the first area. Also described are an emulsion for manufacturing an electrowetting device, a method for manufacturing an emulsion, a device, a non-ionic surfactant and a use of a non-ionic surfactant.Type: GrantFiled: October 29, 2012Date of Patent: April 15, 2014Assignees: Liquavista B.V., Sekisui Chemical Co., Ltd.Inventors: Ivar Schram, Akira Nakasuga, Bokke Johannes Feenstra
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Publication number: 20140023792Abstract: A method provides a layer of a first liquid on a first area of a surface using an elongate applicator, an elongate gap being formed between the applicator and the surface, the gap being filled with an elongate globule of the first liquid, and an amount of a second liquid being arranged in contact with the applicator and with the globule, the first liquid and the second liquid being immiscible and the first area having a higher wettability for the first liquid than for the second liquid. The method includes applying a relative motion between the applicator and the surface, wherein the amount of second liquid being arranged only on a trailing side of the applicator.Type: ApplicationFiled: September 20, 2013Publication date: January 23, 2014Applicant: Liquavista B.V.Inventors: John GREGORY, Jansen HARCO, Ivar SCHRAM
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Patent number: 8597279Abstract: A capsule and methodology for dispensing a medicament in the gastrointestinal tract of a mammal is disclosed, the gastrointestinal tract having tissue sites of interest. The capsule may include a medicament reservoir; medicament dispensing means such as a plurality of piezoelectric droplet jet nozzle dispensers; a power source; electronic control circuitry means and/or detecting means capable of communicating with a medicament dispensing means for regulating the amount and time interval for dispensing of the medicament into the gastrointestinal tract by the medicament dispensing means; and a non-digestible outer protective shell housing, e.g., the medicament reservoir, medicament dispensing means and electronic control circuitry means.Type: GrantFiled: October 17, 2007Date of Patent: December 3, 2013Assignee: Medimetrics Personalized Drug Delivery, Inc.Inventors: Johan Frederik Dijksman, Anke Pierik, Judith Margreet Rensen, Jeff Shimizu, Hans Zou, Ivar Schram
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Patent number: 8579625Abstract: An imprint lithography apparatus is disclosed that includes a support structure configured to hold an imprint template. The apparatus further includes an actuator located between the support structure and a side of the imprint template, when the imprint template is held by the support structure, configured to apply a force to the imprint template and a force sensor between the support structure and a side of the imprint template, when the imprint template is held by the support structure.Type: GrantFiled: October 10, 2008Date of Patent: November 12, 2013Assignee: ASML Netherlands B.V.Inventors: Yvonne Wendela Kruijt-Stegeman, Raymond Jacobus Wilhelmus Knaapen, Johan Frederik Dijksman, Sander Frederik Wuister, Ivar Schram, Raymond Wilhelmus Louis LaFarre
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Patent number: 8524136Abstract: An imprint template cover for an imprint template having a pattern feature thereon. The cover is configured such that, in use, it extends around the pattern feature of the imprint template, and such that the cover does not contact the pattern feature.Type: GrantFiled: December 5, 2008Date of Patent: September 3, 2013Assignee: ASML Netherlands B.V.Inventors: Yvonne Wendela Kruijt-Stegeman, Ivar Schram, Sander Frederik Wuister, Jeroen Herman Lammers
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Patent number: 8486485Abstract: An imprintable medium dispenser includes a chamber, a nozzle, and an actuator connected to the chamber and configured to be actuated and thereby generate a pressure wave within the chamber such that imprintable medium is dispensed from the nozzle. The imprintable medium dispenser is provided with a control circuit which includes a monitoring apparatus configured to receive a transient oscillation signal generated when the actuator is actuated, and to monitor the operation of the imprintable medium dispenser by monitoring the transient oscillation signal.Type: GrantFiled: July 29, 2011Date of Patent: July 16, 2013Assignee: ASML Netherlands B.V.Inventors: Johan Frederik Dijksman, Anke Pierik, Martin Maurice Vernhout, Sander Frederik Wuister, Yvonne Wendela Kruijt-Stegeman, Ivar Schram
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Patent number: 8416488Abstract: A display device comprising picture elements, which are constituted by electrowetting elements having at least one first fluid and a second fluid immiscible with each other within a space between a first support plate and a second support plate, the second fluid being electro-conductive or polar. The first fluid in each element is at the side of the first support plate confined by element walls, and the second fluid is shared by a plurality of picture elements, characterized by a preventer for preventing first fluid portions from being expelled from its confinement when forces other than electrowetting forces are exerted on this fluid.Type: GrantFiled: June 14, 2010Date of Patent: April 9, 2013Assignee: Samsung LCD Netherlands R & D Cneter B.V.Inventors: Robert A. Hayes, Andrea Giraldo, Anthony John Slack, Johannes Bokke Feenstra, Roy Van Dijk, Ivar Schram
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Patent number: 8329052Abstract: A method of making an imprint template includes providing a transfer layer on a substrate and providing a layer of imprintable medium on the transfer layer, using a master imprint template to imprint a pattern into the imprintable medium, polymerizing the imprintable medium by exposing it to actinic radiation, then etching the resulting polymer layer, the transfer layer and the substrate such that the imprinted pattern is transferred to the substrate, the substrate thereby becoming an imprint template bearing a pattern which is the inverse of a pattern provided on the master imprint template.Type: GrantFiled: July 12, 2011Date of Patent: December 11, 2012Assignee: ASML Netherlands B.V.Inventors: Sander Frederik Wuister, Johan Frederik Dijksman, Yvonne Wendela Kruijt-Stegeman, Ivar Schram
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Patent number: 8323541Abstract: A chuck apparatus for holding a substrate is the disclosed. The chuck apparatus includes a first surface portion on which the substrate is to be held and a second surface portion adjacent to the first surface portion and extending at least partially around an edge of the first surface portion and which, in use, is arranged to deflect gas over the first surface portion and thus the substrate that is to be held on the first surface portion.Type: GrantFiled: February 22, 2012Date of Patent: December 4, 2012Assignee: ASML Netherlands B.V.Inventors: Ivar Schram, Johan Frederik Dijksman, Sander Frederik Wuister, Yvonne Wendela Kruijt-Stegeman, Jeroen Herman Lammers, Richard Joseph Marinus Schroeders
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Publication number: 20120275009Abstract: The present invention relates to a method of making an electrowetting display device having a plurality of picture elements, each picture element being defined by walls surrounding a display region, the plurality of picture elements covering a first area of a support plate. The method comprises the steps of: applying a hydrophobic layer covering at least the first area; lowering the hydrophobicity of the hydrophobic layer over a second area substantially outside the display regions; forming the walls on the hydrophobic layer over the first area. The present invention further relates to an electrowetting display device.Type: ApplicationFiled: May 1, 2012Publication date: November 1, 2012Applicant: Samsung LCD Netherlands R & D Center B.V.Inventors: Paul VERMEULEN, Bruce SCOTT, Mick EVANS, Ivar SCHRAM