Join
today

Boliven PRO is more than just patent search

  • Build and save lists using the powerful Lists feature
  • Analyze and download your search results
  • Share patent search results with your clients

Patents »

US7132161: Fiber adhesive material

Share

Filing Information

Inventor(s) Timothy R. Knowles · Christopher L. Seaman ·
Assignee(s) Energy Science Laboratories, Inc. ·
Attorney/Agent(s) Knobbe Martens Olson & Bear LLP ·
Primary Examiner Elizabeth M. Cole ·
Assistant Examiner Matthew Matzek ·
Application Number US10464830
Filing date 06/17/2003
Issue date 11/07/2006
Prior Publication Data
Predicted expiration date 09/28/2020
Patent term adjustment 107
U.S. Classifications 428/364  · 442/330  · 428/376  · 428/379  · 977/DIG.1  · 428/401  · 442/334  · 442/340  · 165/185  · 428/903  ·
International Classifications B82B100  · B82B300  ·
Kind CodeB2
Related U.S. Application DataCROSS REFERENCE TO RELATED APPLICATIONS
This application claims priority to U.S. Provisional Patent Application Ser. No. 60/390,239, titled Dendritic Adhesive, and filed on Jun. 17, 2002 and is a continuation-in-part of U.S. patent application Ser. No. 09/593,587, titled Thermal Interface, and filed on Jun. 13, 2000, which claims priority to U.S. Provisional Patent Application Ser. No. 60/139,443, entitled Thermal Interface, and filed on Jun. 14, 1999. The entire disclosures of all of these applications are hereby incorporated by reference in their entirety.
21 Claims, 10 Drawings


Abstract

A fiber velvet comprising nano-size fibers or nanofibrils attached to micro-size fibers is disclosed. Methods of manufacturing the velvet as well as various uses of the velvet are also described. For example, the fiber velvet can be used as a thermal interface or as an adhesive material. The nanofibrils may be attached to a flat base or membrane, or may be attached to the tip portions of the micro-size or larger diameter fibers. Various attributes of the micro-size fibers and of the nano-size fibers, for example, geometry (e.g. size, length, packing density) material type (e.g. carbon, metal, polymer, or ceramic) and properties (e.g. conductivity, modulus, surface energy, dielectric constant, surface roughness) can be selected depending on the desired attributes of the fiber velvet. The nanofibrils have a diameter of less than about 1 micron, and may advantageously be formed from single walled and/or multi-walled carbon nanotubes.

Independent Claims | See all claims (21)

  1. 1. An adhesive material for attaching to a mating surface, comprising: a base; an array of electroflocked first fibers bonded to the base, each having a cross sectional diameter of less than approximately 15 microns; and an array of second fibers bonded predominantly to a distal portion of at least some of said first fibers and having a cross sectional diameters of less than about 1 micron, said second fibers being arranged and configured to form an intermolecular (e.g. van der Waals) bond when pressed against the mating surface.
  2. 21. A fabricated microstructure, comprising: a base; a shaft with a length of about 500 microns and being connected to the base, said shaft having a diameter of between about 3 and 15 microns; and an array of whiskers having terminal ends formed at an end of said shaft distal from said base, said array of whiskers having a width of less than about 10 microns.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US2542637 GEN MOTORS CORP De Poy et al. Feb 1951
US3294880 SPACE AGE MATERIALS CORP Turkat Dec 1966
US3375308 SPACE AGE MATERIALS CORP Turkat Mar 1968
US3531249 Turkat Sep 1970
US3543842 BOLKOW GMBH Merges Dec 1970
US3609992 PHILIPS CORP Cacheux Oct 1971
US3969754 Ltd. Hitachi Huniya et al. Jul 1976
US4161747 NASA Jennings Jul 1979
US4318954 Boeing Aerospace Company Jensen Mar 1982
US4414142 Vogel et al. Nov 1983
US4415025 International Business Machines Corporation Horvath Nov 1983
US4424145 Union Carbide Corporation Sara Jan 1984
US4435375 Shohei Tamura Tamura et al. Mar 1984
US4470063 Ltd. Hitachi Arakawa et al. Sep 1984
US4482912 Ltd. Hitachi Chiba et al. Nov 1984
US4485429 Sperry Corporation Mittal Nov 1984
US4591659 TRW Inc. Leibowitz May 1986
US4630174 KAUFMAN LANCE R Kaufman Dec 1986
US4749514 Research Development Corp. of Japan Murakami et al. Jun 1988
US4816289 Asahi Kasei Kogyo Kabushiki Kaisha Komatsu et al. Mar 1989
US4849858 Westinghouse Electric Corp. Grapes et al. Jul 1989
US4867235 Westinghouse Electric Corp. Grapes et al. Sep 1989
US4878152 Thomson-CSF Sauzade et al. Oct 1989
US4933804 The Rank Organisation PLC Bertenshaw et al. Jun 1990
US4966226 Digital Equipment Corporation Hartman Oct 1990
US4985805 Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V. Riedel et al. Jan 1991
US5014161 Digital Equipment Corporation Lee et al. May 1991
US5077637 The Charles Stark Draper Lab., Inc. Martorana et al. Dec 1991
US5111359 E-Systems Inc. Montesano May 1992
US5150748 McDonnell Douglas Corporation Blackmon et al. Sep 1992
US5212625 Akzo NV Van Andel et al. May 1993
US5224030 The United States of America as represented by the Administrator of the National Aeronautics and Space Administration Banks et al. Jun 1993
US5260124 The United States of America as represented by the Administrator of the National Aeronautics and Space Administration Gaier Nov 1993
US5287248 E-Systems, Inc. Montesano Feb 1994
US5316080 The United States of America as represented by the Administrator of the National Aeronautics & Space Administration Banks et al. May 1994
US5323294 Unisys Corporation Layton et al. Jun 1994
US5389400 Applied Sciences, Inc. Ting et al. Feb 1995
US5402004 Ozmat Mar 1995
US5424054 International Business Machines Corporation Bethune et al. Jun 1995
US5424916 The Charles Stark Draper Laboratory, Inc. Martin Jun 1995
US5482601 Director-General of Agency of Industrial Science and Technology Ohshima et al. Jan 1996
US5494753 General Electric Company Anthony Feb 1996
US5520976 Simmonds Precision Products Inc. Giannetti et al. May 1996
US5523260 Motorola, Inc. Missele Jun 1996
US5542471 Loral Vought System Corporation Dickinson Aug 1996
US5566752 Lockheed Fort Worth Company Arnold et al. Oct 1996
US5591312 William Marsh Rice University Smalley Jan 1997
US5604037 Applied Sciences, Inc. Ting et al. Feb 1997
US5608267 Olin Corporation Mahulikar et al. Mar 1997
US5698175 NEC Corporation Hiura et al. Dec 1997
US5753088 General Motors Corporation Olk May 1998
US5805424 Texas Instruments Incorporated Purington Sep 1998
US5814290 Hyperion Catalysis International Niu et al. Sep 1998
US5830326 NEC Corporation Ijima Nov 1998
US5849130 Browne Dec 1998
US6054198 Parker-Hannifin Corporation Bunyan et al. Apr 2000
US6063243 The Regents of the Univeristy of California Zettl et al. May 2000
US6143445 Ferment Nov 2000
US6156256 Applied Sciences, Inc. Kennel Dec 2000
US6177213* Energy Conversion Devices, Inc. Fetcenko et al. Jan 2001
US6183854 West Virginia University Stiller et al. Feb 2001
US6303094* Japan Fine Ceramics Center Kusunoki et al. Oct 2001
US6361861 Battelle Memorial Institute Gao et al. Mar 2002
US6436506 Honeywell International Inc. Pinter et al. Aug 2002
US6737160* The Regents of the University of California Full et al. May 2004
US6872439* The Regents of the University of California Fearing et al. Mar 2005
US6913075* Energy Science Laboratories, Inc. Knowles et al. Jul 2005
US20030124312 Autumn Jul 2003
US20030203139* Ren et al. Oct 2003
US20030208888 Fearing et al. Nov 2003

Foreign Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
JP2154991Jun 1990
WO200149776THE REGENTS OF THE UNIVERSITY OF CALIFORNIAJul 2001
* cited by examiner

Other Publications

Chen et al., Chemical Physics Letters, Jun. 27, 1997, Elsevier, 178-182.*
Chung, D.D.L., Carbon Fiber Composites, 1994, Elsevier, 3-11.*
Slitti et al., Nanomolding based Fabrication of Synthetic Gecko Foot-Hairs, IEEE Nanotechnology Conference, pp. 37-40, Washington D.C. (Aug. 2002).
Autumn, et al., Low cost of locomotion in the banded gecko: a test of the noctumality hypothesis, Physiological Zoology, 70:660-669 (1997).
Autumn, et al., Adhesive force of a single gecko foot-hair. Nature 405:681-685 (2000).
Autumn, et al., Evidence for Van der Waals Adhesion in Gecko Setae, Proc. Nat. Acad. Sciences, vol. 99, pp. 12252-12256 (Sep. 17, 2002).
Autumn, et al., Dynamics of geckos running vertically. Amer. Zool. 38(5): 84A (1999).
Autumn, et al., Function of feet in ascending and descending geckos. Amer. Zool. 38(5): 84,A (1999).
Ren, et al., Synthesis of Large Arrays of Well-Aligned Carbon Nanotubes on Glass, SCIENCE, vol. 282, pp. 105-107, Nov. 6, 1988.
Huang, et al., Growth of Highly Oriented Carbon Nanotubes of Plasma-Enhanced Hot Filament Chemical Vapor Deposition, Applied Physics Letters, vol. 73, No. 6, pp. 3845-3847, Dec. 28, 1998.
Li, et al., Highly-ordered Carbon Nanotube Arrays for Electronics Applications, Applied Physics Letters, vol. 75, No. 3, pp. 367-369, Jul. 19, 1999.
Geim, et al., Microfabricated adhesive mimicking gecko foot-hair, Nature Materials, vol. 2, pp. 461-461, Jul. 1, 2003.
* cited by examiner

Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
US7462498 Applied Nanotech Holdings, Inc. Dongsheng Mao et al. Dec 2008
US7479318 E.I. du Pont de Nemours and Company Anand Jagota et al. Jan 2009
US7476982 Regents of the University of California Kellar Autumn et al. Jan 2009
US7479590 International Business Machines Corporation Joseph Kuczynski Jan 2009
US7269015 Tyco Electronics Corporation Craig Warren Hornung et al. Sep 2007
US7479198 Timothy D'Annunzio Erik Guffrey et al. Jan 2009
US7438844 Tsinghua University Hua Huang et al. Oct 2008
US7881785 Cardiac Science Corporation Rabih C. Nassif et al. Feb 2011
US7651769 Nanosys, Inc. Robert S. Dubrow Jan 2010
US7709087 The Regents of the University of California Carmel Majidi et al. May 2010
US7803574 Nanosys, Inc. Tejal Desai et al. Sep 2010
US7828982 The Regents of the University of California Robert J. Full et al. Nov 2010
US7847207 University of Central Florida Research Foundation, Inc. Lee Chow et al. Dec 2010
US7344617 Nanosys, Inc. Robert Dubrow Mar 2008
US7972616 Nanosys, Inc. Robert S. Dubrow et al. Jul 2011
US8025960 Nanosys, Inc. Robert S. Dubrow et al. Sep 2011
US8194407 Fujitsu Limited Yoshitaka Yamaguchi et al. Jun 2012
US8260414 Cardiac Science Corporation Rabih C. Nassif et al. Sep 2012
US8319002 Nanosys, Inc. R. Hugh Daniels et al. Nov 2012
US8142700 Carnegie Mellon University Metin Sitti et al. Mar 2012
US8303758 The Boeing Company Michael R. Chapman et al. Nov 2012
US8304595 Nanosys, Inc. R. Hugh Daniels et al. Nov 2012
US8309201 The Regents of the University of California Carmel Majidi et al. Nov 2012
US8524092 --
US8382037 --
US8418740 --
US8424474 --
US8440926 --
US8557165 --
US8610290 --
US8601694 --
US8632330 --

Patent Family

Document NumberAssigneeInventorsIssue/Pub Date
US20040071870 Christopher Seaman et al. Apr 2004
US7132161 Energy Science Laboratories, Inc. Timothy R. Knowles et al. Nov 2006