Patents Assigned to Canatu Oy
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Patent number: 9023165Abstract: A method for the production of a fibrous network-substrate component includes the steps of providing a network of fibrous material (1) on a preliminary substrate (2) by filtering high aspect ratio molecular structures (HARM-structures) from gas flow, placing the network of fibrous material (1) on the preliminary substrate (2) in proximity to a secondary substrate (3), applying a force to the network of fibrous material (1) to preferably attract the network of fibrous material (1) from the preliminary substrate (2) to the secondary substrate (3) in order to transfer the network of fibrous material (1) from the preliminary substrate (2) to the secondary substrate (3), and removing the preliminary substrate (2) from the network of fibrous material (1).Type: GrantFiled: June 23, 2008Date of Patent: May 5, 2015Assignee: Canatu OyInventors: David P. Brown, Andrei Ollikainen, Esko I. Kauppinen, Albert G. Nasibulin, Jussi Heikkonen
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Patent number: 8952907Abstract: A touch screen (13) on a display device (1), and a method for manufacturing a touch screen (13) on a display device (1). The display device (1) has an upper substrate (12) for protecting the display device (1) from the environment, the touch screen (13) comprising an electrically conductive transparent first layer (16). The first layer (16) comprises a network of electrically conductive high aspect ratio molecular structures (HARM-structures), the first layer (16) being embedded into the upper substrate (12) of the display device (1) to protect the conductive transparent first layer (16), for reducing the optical thickness of the structure between a viewer and the region of the display device (1) in which the image is formed.Type: GrantFiled: September 2, 2010Date of Patent: February 10, 2015Assignee: Canatu OyInventors: David P. Brown, Bradley J. Aitchison
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Patent number: 8951602Abstract: A method for depositing high aspect ratio molecular structures (HARMS), which method comprises applying a force upon an aerosol comprising one or more HARM-structures, which force moves one or more HARM-structures based on one or more physical features and/or properties towards one or more predetermined locations for depositing one or more HARM-structures in a pattern by means of an applied force.Type: GrantFiled: March 7, 2007Date of Patent: February 10, 2015Assignee: Canatu OyInventors: David P. Brown, Albert G. Nasibulin, Esko I. Kauppinen, David Gonzales
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Patent number: 8871295Abstract: A method for moving high aspect ratio molecular structures (HARMS), which method comprises applying a force upon a dispersion comprising one or more bundled and individual HARM-structures, wherein the force moves the bundled and/or the individual HARM-structure based on one or more physical features and/or properties for substantially separating the bundled and individual HARM-structures from each other.Type: GrantFiled: March 7, 2007Date of Patent: October 28, 2014Assignee: Canatu OyInventors: David P. Brown, Albert G. Nasibulin, Esko I. Kauppinen, David Gonzalez
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Patent number: 8845995Abstract: The present invention relates to single walled and multi-walled carbon nanotubes (CNTs), functionalized CNTs and carbon nanotube composites with controlled properties, to a method for aerosol synthesis of single walled and multi-walled carbon nanotubes, functionalized CNTs and carbon nanotube composites with controlled properties from pre-made catalyst particles and a carbon source in the presence of reagents and additives, to functional, matrix and composite materials composed thereof and structures and devices fabricated from the same in continuous or batch CNT reactors. The present invention allows all or part of the processes of synthesis of CNTs, their purification, doping, functionalization, coating, mixing and deposition to be combined in one continuous procedure and in which the catalyst synthesis, the CNT synthesis, and their functionalization, doping, coating, mixing and deposition can be separately controlled.Type: GrantFiled: March 9, 2005Date of Patent: September 30, 2014Assignee: Canatu OyInventors: Esko Kauppinen, David P. Brown, Albert G. Nasibulin, Hua Jiang, Anna Moisala
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Patent number: 8518726Abstract: A carbon nanobud molecule (3, 9, 18, 23, 29, 36) having at least one fullerene part covalently bonded to the side of a tubular carbon molecule is used to interact with electromagnetic radiation in a device, wherein the interaction with electromagnetic radiation occurs through relaxation and/or excitation of the carbon nanobud molecule.Type: GrantFiled: June 26, 2009Date of Patent: August 27, 2013Assignee: Canatu OyInventors: David P. Brown, Bradley J. Aitchison
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Publication number: 20130050113Abstract: The invention relates to a method for the production of an at least partially electrically conductive or semi-conductive element on a structure, wherein the element comprises one or more layers, the method comprising the steps of a) forming a formable element comprising one or more layers, wherein at least one layer comprises a network of high aspect ratio molecular structures (HARM-structures), wherein the HARM-structures are electrically conductive or semi-conductive, and b) arranging the formable element in a conformal manner onto a structure by pressing and/or vacuum sealing the formable element on a three-dimensional surface of the structure, for producing a conformal and at least partially electrically conductive or semi-conductive element comprising one or more layers, wherein at least one layer comprises a network of HARM-structures, on the three dimensional surface of the structure. Further, the invention relates to a conformal element and uses thereof.Type: ApplicationFiled: March 7, 2011Publication date: February 28, 2013Applicant: CANATU OYInventor: David P. Brown
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Publication number: 20120327004Abstract: A capacitive touch sensitive film comprises a conductive layer having a sensing region. According to the present invention, the sheet resistance of the conductive layer in the sensing region is higher than or equal to 3 k?.Type: ApplicationFiled: March 7, 2011Publication date: December 27, 2012Applicant: CANATU OYInventors: Bjorn Friour Mikladal, David P. Brown, Bradley J. Aitchison
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Publication number: 20120235951Abstract: A touch screen (13) on a display device (1), and a method for manufacturing a touch screen (13) on a display device (1). The display device (1)has an upper substrate (12) for protecting the display device (1) from the environment, the touch screen (13) comprising an electrically conductive transparent first layer (16). The first layer (16) comprises a network of electrically conductive high aspect ratio molecular structures (HARM-structures), the first layer (16) being embedded into the upper substrate (12) of the display device (1)to protect the conductive transparent first layer (16), for reducing the optical thickness of the structure between a viewer and the region of the display device (1) in which the image is formed.Type: ApplicationFiled: September 2, 2010Publication date: September 20, 2012Applicant: Canatu OyInventors: David P. Brown, Bradley J. Aitchison
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Publication number: 20120021191Abstract: A structure comprising high aspect ratio molecular structures (HARM-structures), wherein the structure comprises an essentially planar network (2) of HARM-structures, and a support (3) in contact with the network (2). The support (3) has an opening (5) therein, at the peripheral region (4) of which opening (5) the network (2) is in contact with the support (3), such that the middle part of the network (2) is unsupported by the support (3). The network (2) comprises essentially randomly oriented HARM-structures.Type: ApplicationFiled: January 27, 2010Publication date: January 26, 2012Applicant: Canatu OyInventors: David P. Brown, Bradley J. Aitchison, Albert G. Nasibulin, Esko I. Kauppinen
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Publication number: 20110223444Abstract: A method for fabricating crystalline surface structures (4) on a template (1). The method comprises the steps of providing a template (1) into a reaction environment, wherein one or more elements (3) required for the formation of the crystalline surface structure (4) are contained within the template (1); heating the template (1) inside the reaction environment to increase the mobility of the element (3) within the template (1), and to increase the surface diffusion length of the element (3) on the template-environment interface; and activating the template (1) by altering the conditions within the reaction environment, to make the mobile element (3) slowly migrate towards the template-environment interface and to make the element (3) organize on the surface of the template (1) as a crystalline structure (4).Type: ApplicationFiled: November 19, 2009Publication date: September 15, 2011Applicant: CANATU OYInventors: David P. Brown, Jan Von Pfaler
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Publication number: 20110212308Abstract: A method for the production of a fibrous network-substrate component includes the steps of providing a network of fibrous material (1) on a preliminary substrate (2) by filtering high aspect ratio molecular structures (HARM-structures) from gas flow, placing the network of fibrous material (1) on the preliminary substrate (2) in proximity to a secondary substrate (3), applying a force to the network of fibrous material (1) to preferably attract the network of fibrous material (1) from the preliminary substrate (2) to the secondary substrate (3) in order to transfer the network of fibrous material (1) from the preliminary substrate (2) to the secondary substrate (3), and removing the preliminary substrate (2) from the network of fibrous material (1).Type: ApplicationFiled: June 23, 2009Publication date: September 1, 2011Applicant: CANATU OYInventors: David P Brown, Andrei Ollikainen, Esko I. Kauppinen, Albert G. Nasibulin, Jussi Heikkonen
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Publication number: 20110127488Abstract: A carbon nanobud molecule (3, 9, 18, 23, 29, 36) having at least one fullerene part covalently bonded to the side of a tubular carbon molecule is used to interact with electromagnetic radiation in a device, wherein the interaction with electromagnetic radiation occurs through relaxation and/or excitation of the carbon nanobud molecule.Type: ApplicationFiled: June 26, 2009Publication date: June 2, 2011Applicant: CANATU OYInventors: David P. Brown, Bradley J. Aitchison
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Publication number: 20100329964Abstract: A deposit of material includes carbon nanobud molecules. The carbon nanobud molecules are bonded to each other via at least one fullerene group (2). An electrical device includes a deposit including carbon nanobud molecules. The electrical device may be e.g. a transistor (18), a field emitter (17, 19), a transparent electrode (15, 24, 28, 30), a capacitor (31), a solar cell (32), a light source, a display element or a sensor (33).Type: ApplicationFiled: October 30, 2008Publication date: December 30, 2010Applicant: CANATU OYInventor: Aappo Roos
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Patent number: 7700915Abstract: The present invention relates to a method, computer program and device for determining the crystal structure and/or the range of crystal structures of one or more crystalline tubular molecules from a set of calibration-free properties of a diffraction pattern of the one or more crystalline tubular molecules.Type: GrantFiled: November 28, 2006Date of Patent: April 20, 2010Assignee: Canatu OyInventors: Hua Jiang, David P. Brown, Albert G. Nasibulin, Esko I. Kauppinen
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Publication number: 20090304945Abstract: A method for depositing high aspect ratio molecular structures (HARMS), which method comprises applying a force upon an aerosol comprising one or more HARM-structures, which force moves one or more HARM-structures based on one or more physical features and/or properties towards one or more predetermined locations for depositing one or more HARM-structures in a pattern by means of an applied force.Type: ApplicationFiled: March 7, 2007Publication date: December 10, 2009Applicant: CANATU OYInventors: David P. Brown, Albert G. Nasibulin, Esko I. Kauppinen, David Gonzalez
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Publication number: 20090280238Abstract: A method for moving high aspect ratio molecular structures (HARMS), which method comprises applying a force upon a dispersion comprising one or more bundled and individual HARM-structures, wherein the force moves the bundled and/or the individual HARM-structure based on one or more physical features and/or properties for substantially separating the bundled and individual HARM-structures from each other.Type: ApplicationFiled: March 7, 2007Publication date: November 12, 2009Applicant: CANATU OYInventors: David P. Brown, Albert G. Nasibulin, Esko I. Kauppinen, David Gonzales
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Publication number: 20090226704Abstract: The present invention relates to covalently bonded fullerene-functionalized carbon nanotubes (CBFFCNTs), a method and an apparatus for their production and to their end products. CBFFCNTs are carbon nanotubes with one or more fullerenes or fullerene based molecules covalently bonded to the nanotube surface. They are obtained by bringing one or more catalyst particles, carbon sources and reagents together in a reactor.Type: ApplicationFiled: June 15, 2006Publication date: September 10, 2009Applicant: CANATU OYInventors: Esko I. Kauppinen, Hua Jiang, David P. Brown, Albert G. Nasibulin