Possessing Nanosized Physical Convexity, Ridge, Or Protrusion Extending Upward From The Host's Surface Patents (Class 977/782)
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Patent number: 12251870Abstract: Described herein is a process for producing a structured article (A1M1) in which a material (M1) including at least one micro- and/or nanostructured surface (SU1) containing a plurality of micro-scale and/or nano-scale surface elements is covered with an at least partially cured coating layer (C2) to provide a composite (M1C2), said composite (M1C2) is attached to an object (A1) and the coating layer (C2) is at least partially peeled off to provide the structured article (A1M1). Also described herein is a composite (M1C2) in which the surface elements of the material (M1) are covered by a protective coating layer (C2).Type: GrantFiled: September 9, 2020Date of Patent: March 18, 2025Assignee: BASF COATINGS GMBHInventors: Sven Olle Krabbenborg, Tim Buscher
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Patent number: 11852588Abstract: A general purpose sensor architecture integrating a surface enhanced Raman spectroscopy (SERS) substrate, a diffractive laser beam delivery substrate and a diffractive infrared detection substrate is provided that can be used to implement a low-cost, compact lab-on-a-chip biosensor that can meet the needs of large-scale infectious disease testing. The sensor architecture can also be used in any other application in which molecules present in the liquid, gaseous or solid phases need to be characterized reliably, cost-effectively and with minimal intervention by highly skilled personnel.Type: GrantFiled: November 8, 2022Date of Patent: December 26, 2023Inventor: Jonathan David Waldern
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Patent number: 11747519Abstract: The invention is related to a cost-effective method for making a silicone hydrogel contact lens having a crosslinked hydrophilic coating thereon. A method of the invention involves autoclaving, in a sealed lens package, a silicone hydrogel contact lens having a base coating of polyacrylic acid thereon in an aqueous solution in the presence of a water-soluble, crosslinkable hydrophilic polymeric material having epoxide groups, for a period of time sufficient to covalently attach the crosslinkable hydrophilic polymeric material onto the surface of the silicone hydrogel contact lens through covalent linkages each formed between one epoxide group and one of the carboxyl groups on and/or near the surface of the silicone hydrogel contact lens.Type: GrantFiled: May 10, 2021Date of Patent: September 5, 2023Assignee: Alcon Inc.Inventors: Chandana Kolluru, Bradley Quinter
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Patent number: 8911854Abstract: The present invention provides an optical film and s retardation film characterized in that each of them includes: an acrylic resin; and 20-65 parts by weight of at least two graft copolymers containing a conjugated diene-based rubber, based on 100 parts by weight of the acrylic resin, wherein at least two of the graft copolymers have different particle sizes. The present invention also provides a production method therefore.Type: GrantFiled: June 3, 2009Date of Patent: December 16, 2014Assignee: LG Chem, Ltd.Inventors: Byoung-II Kang, Chang-Hun Han, Chan-Hong Lee, Dae-Woo Lee, Jae-Bum Seo, Sang-Seop Kim
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Patent number: 8871623Abstract: Methods are provided for forming a nanostructure array. An example method includes providing a first layer, providing nanostructures dispersed in a solution comprising a liquid form of a spin-on-dielectric, wherein the nanostructures comprise a silsesquioxane ligand coating, disposing the solution on the first layer, whereby the nanostructures form a monolayer array on the first layer, and curing the liquid form of the spin-on-dielectric to provide a solid form of the spin-on-dielectric. Numerous other aspects are provided.Type: GrantFiled: April 11, 2014Date of Patent: October 28, 2014Assignee: SanDisk CorporationInventors: Jian Chen, Karen Chu Cruden, Xiangfeng Duan, Chao Liu, J. Wallace Parce
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Patent number: 8813777Abstract: An electrophoretic fluid separation structure (100) comprising a substrate (101) and a plurality of vertical nanowires (102) grown on the substrate (101).Type: GrantFiled: April 17, 2008Date of Patent: August 26, 2014Assignee: NXP, B.V.Inventors: Pablo Garcia Tello, Vijaraghavan Madakasira
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Patent number: 8778215Abstract: An embodiment of the present disclosure provides a thermoelectric composite material including: a thermoelectric matrix including a thermoelectric material; and a plurality of nano-carbon material units located in the thermoelectric matrix and spaced apart from each other, wherein a spacing between two neighboring nano-carbon material unit is about 50 nm to 2 ?m.Type: GrantFiled: May 3, 2012Date of Patent: July 15, 2014Assignee: Industrial Technology Research InstituteInventors: Shih-Chun Tseng, Wen-Hsuan Chao, Hsu-Shen Chu
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Patent number: 8735226Abstract: Methods for forming or patterning nanostructure arrays are provided. The methods involve formation of arrays on coatings comprising nanostructure association groups, formation of arrays in spin-on-dielectrics, solvent annealing after nanostructure deposition, patterning using resist, and/or use of devices that facilitate array formation. Related devices for forming nanostructure arrays are also provided, as are devices including nanostructure arrays (e.g., memory devices).Type: GrantFiled: August 1, 2013Date of Patent: May 27, 2014Assignee: SanDisk CorporationInventors: Jian Chen, Karen Chu Cruden, Xiangfeng Duan, Chao Liu, J. Wallace Parce
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Patent number: 8703271Abstract: A thermal interface material (1) comprises a bulk polymer (2) within which is embedded sub-micron (c. 200 to 220 nm) composite material wires (3) having Ag and carbon nanotubes (“CNTs”) 4. The CNTs are embedded in the axial direction and have diameters in the range of 9.5 to 10 nm and have a length of about 0.7 ?m. In general the pore diameter can be in the range of 40 to 1200 nm. The material (1) has particularly good thermal conductivity because the wires (3) give excellent directionality to the nanotubes (4)—providing very low resistance heat transfer paths. The TIM is best suited for use between semiconductor devices (e.g. power semiconductor chip) and any type of thermal management systems for efficient removal of heat from the device.Type: GrantFiled: April 23, 2008Date of Patent: April 22, 2014Assignee: University College Cork—National University of IrelandInventors: Kafil M. Razeeb, Saibal Roy, James Francis Rohan, Lorraine Christine Nagle
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Patent number: 8557622Abstract: Exemplary embodiments provide semiconductor nanowires and nanowire devices/applications and methods for their formation. In embodiments, in-plane nanowires can be epitaxially grown on a patterned substrate, which are more favorable than vertical ones for device processing and three-dimensional (3D) integrated circuits. In embodiments, the in-plane nanowire can be formed by selective epitaxy utilizing lateral overgrowth and faceting of an epilayer initially grown in a one-dimensional (1D) nanoscale opening. In embodiments, optical, electrical, and thermal connections can be established and controlled between the nanowire, the substrate, and additional electrical or optical components for better device and system performance.Type: GrantFiled: September 1, 2011Date of Patent: October 15, 2013Assignee: STC.UNMInventors: Seung Chang Lee, Steven R. J. Brueck
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Patent number: 8530237Abstract: Provided are a technique for easily forming a spheroid by three-dimensionally culturing hepatocytes, and a technique for forming a spheroid having a higher expression level of a transporter MRP2 playing a role of biliary excretion than that of a conventional method. In order to solve the above-described problems, the present inventors have found out a condition under which hepatocytes easily form the spheroid on a nanopillar sheet. More specifically, this is related to a concentration of Type I collagen coated onto the NP sheet. Also, they have found out a condition under which an expression level of a gene related to the excretion of the formed spheroid is improved. More specifically, after the spheroid is previously formed, a biological matrix is overlayered thereon.Type: GrantFiled: January 8, 2009Date of Patent: September 10, 2013Assignee: Hitachi, Ltd.Inventors: Ryosuke Takahashi, Akiko Hisada, Hiroshi Sonoda
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Publication number: 20130098435Abstract: Described herein is a contact for a photovoltaic device and method of making the same. The contact has a transparent conductive oxide stack, where a first portion of the transparent conductive oxide stack is formed by atmospheric pressure vapor deposition and a second portion of the transparent conductive oxide stack is formed by physical vapor deposition.Type: ApplicationFiled: October 17, 2012Publication date: April 25, 2013Applicant: FIRST SOLAR, INCInventors: Zhibo Zhao, Benyamin Buller, Chungho Lee, Markus Gloeckler, David Hwang, Scott Mills, Rui Shao
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Publication number: 20120325669Abstract: There is provided a nanohair structure with the nanowires exposed on a nanotemplate; the method thereof; and a three-dimensional nanostructure-based sensor with ultra-sensitivity and greatly increased three-dimensional surface-to-volume ratio which immobilizes bio-nanoparticles to the nanohair structure and arranges antibodies to the nano surface with the controlled orientation by physical interaction.Type: ApplicationFiled: September 2, 2011Publication date: December 27, 2012Applicant: Korea University Research and Business FoundationInventors: Young Keun Kim, Jee Won Lee, Jin Seung Park, Moon Kyu Cho, Eun Jung Lee
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Publication number: 20120314185Abstract: The invention is related to a method for making a silicone hydrogel contact lens having a nano-textured surface which mimics the surface texture of cornea of human eye. A method of the invention comprises creating a prime coating having nano-textures through controlled imbibition and/or depositions of a reactive polymeric coating material and fixing the nano-textures by crosslinking a hydrophilic polymeric material onto the prime coating to form a crosslinked polymeric coating that perserves the nano-textures of the prime coating and provides a nano-textured surface to the contact lens.Type: ApplicationFiled: June 7, 2012Publication date: December 13, 2012Inventors: R. Erich Bauman, Peter Hagmann, John Dallas Pruitt, Joseph Michael Rappon
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Publication number: 20120309080Abstract: Tubing such as clear plastic disposable tubing or glass tubing includes a photonic sensor formed in or placed within the tubing. The photonic sensors can take the form of photonic crystal sensors, distributed feedback laser sensors, and surface enhanced Raman spectroscopy (SERS) sensors, including photonic crystal enhanced SERS sensors. Detection arrangements for the sensors are described. The invention has many applications including tubing used in hospital care (e.g., urinary catheters, intravenous fluid delivery tubing, tubing used in dialysis, e.g. heparin lines or blood tubing sets), food manufacturing, pharmaceutical manufacturing, water quality monitoring, and environmental monitoring.Type: ApplicationFiled: April 4, 2012Publication date: December 6, 2012Inventors: Brian T. Cunningham, Charles J. Choi, Alysia R. Watkins
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Patent number: 8303841Abstract: A method for preparing a cathode active material of lithium battery is shown. The method includes providing MnOOH and lithium source material, and mixing the MnOOH and the lithium source material in a liquid solvent to achieve a mixture. Then, the mixture is dried to remove the liquid solvent, thereby achieving a precursor. A temperature of the precursor is elevated from room temperature to a sintering temperature of about 500° C. to about 900° C. at a uniform rate, and the precursor is sintered at the sintering temperature for about 3 hours to about 24 hours.Type: GrantFiled: September 10, 2010Date of Patent: November 6, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Ya-Dong Li, Xiao-Ling Xiao, Ding-Sheng Wang
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Publication number: 20120276333Abstract: A method of nanoimprinting a piezoelectric polymeric material includes: heating a surface of the piezoelectric polymeric material to an imprinting temperature greater than (Tc?25) ° C. and less than Tc, in which Tc is the Curie temperature of the piezoelectric polymeric material; and pressing the heated surface of the piezoelectric polymeric material using a nanoimprinting template having a nanopillar structure so as to form the piezoelectric polymeric material with high aspect ratio nanopillars.Type: ApplicationFiled: August 5, 2011Publication date: November 1, 2012Inventors: Chien-Chong Hong, Sheng-Yuan Huang
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Patent number: 8283172Abstract: A lunar dust simulant containing nanophase iron and a method for making the same. Process (1) comprises a mixture of ferric chloride, fluorinated carbon powder, and glass beads, treating the mixture to produce nanophase iron, wherein the resulting lunar dust simulant contains ?-iron nanoparticles, Fe2O3, and Fe3O4. Process (2) comprises a mixture of a material of mixed-metal oxides that contain iron and carbon black, treating the mixture to produce nanophase iron, wherein the resulting lunar dust simulant contains ?-iron nanoparticles and Fe3O4.Type: GrantFiled: February 24, 2010Date of Patent: October 9, 2012Assignee: The United States of America as Represented by the Administrator of National Aeronautics and Space AdministrationInventors: Chin-cheh Hung, Jeremiah McNatt
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Patent number: 8206824Abstract: A particle-rod nanostructure is disclosed. The nanostructure comprises an inorganic nanoparticle coated with a capping agent and an organic crystalline rod nucleated on the capped inorganic nanoparticle in a one-dimensional growth pattern.Type: GrantFiled: March 18, 2010Date of Patent: June 26, 2012Assignee: Wayne State UniversityInventors: Guangzhao Mao, Stephanie L. Brock, Dongzhong Chen, Ruomiao Wang, Indika U. Arachchige
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Patent number: 8202496Abstract: A molecule is separated from a liquid sample containing said molecule and at least one additional molecule having a larger hydrodynamic diameter than the hydrodynamic diameter of the molecule to be separated, by means of a separation device comprising a substrate, at least one circulation channel arranged in said substrate, and at least one nanotube associated with said molecule to be separated and formed on a free surface of the substrate. Separation is achieved by means of the internal channel of a nanotube, such as a carbon nanotube, presenting an effective diameter chosen in predetermined and controlled manner. The effective diameter of the internal channel is chosen such as to be larger than the hydrodynamic diameter of the molecule to be separated and smaller than the hydrodynamic diameter of the additional molecules of larger hydrodynamic diameters.Type: GrantFiled: February 23, 2009Date of Patent: June 19, 2012Assignee: Commissariat a l'Energie AtomiqueInventors: Jean-Christophe Coiffic, Frédéric-Xavier Gaillard, Pierre Puget
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Publication number: 20110269232Abstract: Provided are a technique for easily forming a spheroid by three-dimensionally culturing hepatocytes, and a technique for forming a spheroid having a higher expression level of a transporter MRP2 playing a role of biliary excretion than that of a conventional method. In order to solve the above-described problems, the present inventors have found out a condition under which hepatocytes easily form the spheroid on a nanopillar sheet. More specifically, this is related to a concentration of Type I collagen coated onto the NP sheet. Also, they have found out a condition under which an expression level of a gene related to the excretion of the formed spheroid is improved. More specifically, after the spheroid is previously formed, a biological matrix is overlayered thereon.Type: ApplicationFiled: January 8, 2009Publication date: November 3, 2011Inventors: Ryosuke Takahashi, Akiko Hisada, Hiroshi Sonoda
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Patent number: 7972900Abstract: The present invention provides methods of forming metal oxide semiconductor nanostructures and, in particular, zinc oxide (ZnO) semiconductor nanostructures, possessing high surface area, plant-like morphologies on a variety of substrates. Optoelectronic devices, such as photovoltaic cells, incorporating the nanostructures are also provided.Type: GrantFiled: April 16, 2010Date of Patent: July 5, 2011Assignee: University of Utah Research FoundationInventors: Ashutosh Tiwari, Michael R. Snure
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Patent number: 7563500Abstract: The present invention provides a functionalized nanosubstrate or “nanotemplate” that is useful for selectively assembling nanoelements across a large area. The nanotemplate is capable of guiding the massive parallel assembly of nanoelements to fabricate a three-dimensional nanostructure. Nanoelements can also be transferred at a high-rate from the template to a recipient substrate. Examples of these nanoelements include, but are not limited to, carbon nanotubes, nanocrystals, dendrimers, nanoparticles, nanowires, biological materials, proteins, molecules and organic nanotubes. The invention also provides a nanotemplate combined with selectively assembled nanoelements. The invention encompasses methods for functionalizing a nanosubstrate. These methods involve providing a substrate having a known topology and polymerizing a monomer on its surface. Methods for selecting nanoelements and guiding their self-assembly are also disclosed.Type: GrantFiled: August 27, 2004Date of Patent: July 21, 2009Assignees: Northeastern University, University of New HampshireInventors: Ahmed Busnaina, Glen P. Miller
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Patent number: 7545010Abstract: The invention provides a nanostructure including nanowires having very small diameters and integrated at a high density, and capable of being applied to still further high-functional devices. The invention provides a structure including a substrate or substrate having an underlayer, and a structure formed on the substrate or substrate having an underlayer, wherein the structure includes a columnar first part (part) and a second part (part) formed to surround the first part, and the second part comprises two or more types of materials capable of forming eutectic crystals, one type of the materials is a semiconductor material, and the height of the first part from the substrate is greater than the height of the second part from the substrate.Type: GrantFiled: August 6, 2004Date of Patent: June 9, 2009Assignee: Canon Kabushiki KaishaInventors: Shigeru Ichihara, Kaoru Konakahara, Tohru Den, Kazuhiko Fukutani
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Method for forming quantum dot, and quantum semiconductor device and method for fabricating the same
Patent number: 7307030Abstract: The method for forming a quantum dot according to the present invention comprises the step of forming an oxide in a dot-shape on the surface of a semiconductor substrate 10, the step of removing the oxide to form a concavity 16 in the position from which the oxide has been removed, and the step of growing a semiconductor layer 18 on the semiconductor substrate with the concavity formed in to form a quantum dot 20 of the semiconductor layer in the concavity. The concavity is formed in the semiconductor substrate by forming the oxide dot in the surface of the semiconductor substrate and removing the oxide, whereby the concavity can be formed precisely in a prescribed position and in a prescribed size. The quantum dot is grown in such a concavity, whereby the quantum dot can have good quality and can be formed in a prescribed position and in a prescribed size.Type: GrantFiled: November 19, 2004Date of Patent: December 11, 2007Assignee: Fujitsu LimitedInventors: Hai-Zhi Song, Toshio Ohshima -
Patent number: 7166786Abstract: A method is disclosed for the induction of a suitable band gap and electron emissive properties into a substance, in which the substrate is provided with a surface structure corresponding to the interference of electron waves. Lithographic or similar techniques are used, either directly onto a metal mounted on the substrate, or onto a mold which then is used to impress the metal. In a preferred embodiment, a trench or series of nano-sized trenches are formed in the metal.Type: GrantFiled: January 19, 2004Date of Patent: January 23, 2007Assignee: Borealis Technical LimitedInventors: Avto Tavkhelidze, Jonathan Sidney Edelson, Isaiah Wates Cox, Stuart Harbron