Chemically Functionalized Patents (Class 977/877)
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Patent number: 8968620Abstract: Control of lateral strain and lateral strain ratio (dt/db) between template and substrate through the selection of template and/or substrate thicknesses (Tt and/or Tb), control of template and/or substrate back pressure (Pt and/or Pb), and/or selection of material stiffness are described.Type: GrantFiled: April 27, 2011Date of Patent: March 3, 2015Assignees: Canon Nanotechnologies, Inc., Molecular Imprints, Inc.Inventors: Se-Hyuk Im, Mahadevan GanapathiSubramanian, Edward Brian Fletcher, Niyaz Khusnatdinov, Gerard M. Schmid, Mario Johannes Meissl, Anshuman Cherala, Frank Y. Xu, Byung-Jin Choi, Sidlgata V. Sreenivasan
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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: 8276211Abstract: The invention provides methods of using positionally controlled molecular tools in an inert environment (such as ultra high vacuum) to fabricate complex atomically precise structures, including diamond, graphite, nanotubes, fullerenes, additional sets of the selfsame molecular tools, and others. Molecular tools have atomically precise tooltips which interact directly with a workpiece to add, remove, and modify specific atoms and groups of atoms, and have handles by which they can be held and positioned; tools can be recharged after use. Specific tooltips are brought into contact with and bond to specific feedstock molecules distributed on a presentation surface, and then transfer said feedstock molecules to specific atomic sites on a workpiece using mechanosynthetic chemical reactions. Specific sites on a workpiece can be made chemically reactive, facilitating the transfer of specific groups to them.Type: GrantFiled: July 21, 2011Date of Patent: September 25, 2012Inventors: Robert A. Freitas, Jr., Ralph C. Merkle
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Patent number: 8171568Abstract: The invention provides methods of using positionally controlled molecular tools in an inert environment (such as ultra high vacuum) to fabricate complex atomically precise structures, including diamond, graphite, nanotubes, fullerenes, additional sets of the selfsame molecular tools, and others. Molecular tools have atomically precise tooltips which interact directly with a workpiece to add, remove, and modify specific atoms and groups of atoms, and have handles by which they can be held and positioned; tools can be recharged after use. Specific tooltips are brought into contact with and bond to specific feedstock molecules distributed on a presentation surface, and then transfer said feedstock molecules to specific atomic sites on a workpiece using mechanosynthetic chemical reactions. Specific sites on a workpiece can be made chemically reactive, facilitating the transfer of specific groups to them.Type: GrantFiled: September 4, 2008Date of Patent: May 1, 2012Inventors: Robert A. Freitas, Ralph C. Merkle
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Patent number: 8046843Abstract: An instrument includes a probe having a porous tip, a tip positioning apparatus to position the tip with respect to a sample material, a probe positioning apparatus to position the probe and sample material with respect to each other, and a controller. The controller controls the probe positioning apparatus in positioning the probe over the sample and controls the tip positioning apparatus in lowering the tip into the sample material to produce an interaction between the porous tip and the sample material.Type: GrantFiled: April 14, 2009Date of Patent: October 25, 2011Assignee: General Nanotechnology LLCInventor: Victor B. Kley
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Patent number: 7943080Abstract: A method of aligning an imprint template with respect to a target region of a substrate is disclosed, the method including depositing a volume of an imprintable medium within the target region; contacting an imprint template to the imprintable medium so that the imprintable medium is compressed and allowing the imprint template, the target region, or both, to move laterally with respect to each other under interfacial tension forces between the target region and the imprint template, wherein a material which is less wetting than the substrate is provided in a configuration which at least partially surrounds the target region of the substrate.Type: GrantFiled: December 23, 2005Date of Patent: May 17, 2011Assignee: ASML Netherlands B.V.Inventors: Johan Frederik Dijksman, Raymond Jacobus Knaapen, Krassimir Todorov Krastev, Sander Frederik Wuister, Yvonne Wendela Kruijt-Stegeman, Ivar Schram
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Patent number: 7883685Abstract: Separation of carbon nanotubes or fullerenes according to diameter through non-covalent pi-pi interaction with molecular clips is provided. Molecular clips are prepared by Diels-Alder reaction of polyacenes with a variety of dienophiles. The pi-pi complexes of carbon nanotubes with molecular clips are also used for selective placement of carbon nanotubes and fullerenes on substrates.Type: GrantFiled: May 27, 2010Date of Patent: February 8, 2011Assignee: International Business Machines CorporationInventors: Ali Afzali-Ardakani, Cherie R. Kagan, Rudolf Tromp
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Patent number: 7879307Abstract: Separation of carbon nanotubes or fullerenes according to diameter through non-covalent pi-pi interaction with molecular clips is provided. Molecular clips are prepared by Diels-Alder reaction of polyacenes with a variety of dienophiles. The pi-pi complexes of carbon nanotrubes with molecular clips are also used for selective placement of carbon nanotubes and fullerenes on substrates.Type: GrantFiled: May 28, 2010Date of Patent: February 1, 2011Assignee: International Business Machines CorporationInventors: Ali Afzali-Ardakani, Cherie R. Kagan, Rudolf Tromp
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Patent number: 7655269Abstract: The invention provides sensor, preferably biosensor devices and method of fabrication. The devices have significant advantages over the prior art methods having compatibility with future trends in clinical diagnostics and chemical detection. The underlying principle involves the integration of nanometer diameter, micron long metal or semiconductor rods onto a substrate to form a suspended nanomechanical cantilevers. The cantilever rods are rigidly attached to the substrate on one or both ends, and resonate at a characteristic frequency depending on the diameter, length, and stiffness of the rod. The metal or semiconductor rods are integrated onto the substrate using electrofluidic or fluidic assembly techniques. A receptor coating is placed on the metal or semiconductor rods prior to or following rod alignment using self-assembly chemistries.Type: GrantFiled: April 25, 2003Date of Patent: February 2, 2010Assignee: The Penn State Research FoundationInventors: Theresa S. Mayer, Christine D. Keating
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Patent number: 7604758Abstract: A process for producing a polymer optical waveguide including: 1) preparing a rubber mold having a composite layer structure in which a rubber layer which has a concave portion corresponding to an optical waveguide core and contains a rubber mold-forming curable resin is buried in a rubber layer-forming concave portion of a rigid substrate having the rubber layer-forming concave portion; 2) bringing a cladding substrate into close contact with the rubber mold; 3) filling the concave portion of the rubber mold, with which the cladding substrate has been brought into close contact, with a core-forming curable resin; 4) curing the filled core-forming curable resin; 5) removing the rubber mold from the cladding substrate; and 6) forming a cladding layer on the cladding substrate on which the core has been formed.Type: GrantFiled: June 17, 2004Date of Patent: October 20, 2009Assignee: Fuji Xerox Co., Ltd.Inventors: Eiichi Akutsu, Shigemi Ohtsu, Keishi Shimizu, Kazutoshi Yatsuda
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Patent number: 7344756Abstract: A method for fabricating scanning probe microscopy (SPM) probes is disclosed. The probes are fabricated by forming a structural layer on a substrate, wherein the substrate forms a cavity. A sacrificial layer is located between the substrate and the structural layer. Upon forming the structural layer, the sacrificial layer is selectively removed, and the probe is then released from the substrate. The substrate may then later be reused to form additional probes. Additionally, a contact printing method using a scanning probe microscopy probe is also disclosed.Type: GrantFiled: September 25, 2003Date of Patent: March 18, 2008Assignee: Northwestern UniversityInventors: Chad Mirkin, Hua Zhang
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Patent number: 7343857Abstract: An imprint apparatus configured such that it can press a laminate structure in which a magnetic film and a resist film are sequentially laminated on a substrate. The imprint apparatus includes a first press plate configured to mount the laminate structure, a second press plate adapted for sandwiching the laminate structure, a stamper placed on a surface of the second press plate, and has projections and recesses configured to be transferred onto the resist film, and a light source configured to dispose on the same plane as the laminate structure, and is oriented so that the light source can shine the resist film.Type: GrantFiled: September 30, 2004Date of Patent: March 18, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Masatoshi Sakuarai, Akira Kikitsu, Naoko Kihara