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  1. No Access

    Article

    Grafted Poly(acrylic acid) Brushes for Cell-Surface Interactions

    Poly(acrylic acid) (PAA) was grafted onto RF plasma treated PET films and onto SiO2 covered glass surfaces. PET films with various amounts of grafted PAA (0.4, 5, 11 and 19 μm/cm2) were immersed into a solution o...

    Jöns Hilborn, B. Gupta, L. Garamszegi, A. Laurent… in MRS Online Proceedings Library (2011)

  2. No Access

    Chapter

    Porous Organosilicates for On-Chip Applications: Dielectric Generational Extendibility by the Introduction of Porosity

    Dense alkyl-functionalized organosilicates have dielectric constants that are 25-30% lower than silica, which allows ultralow dielectric targets(κ< 2.2) to be achieved at reduced porosity levels relative to those...

    W. Volksen, C. J. Hawker, J. L. Hedrick… in Low Dielectric Constant Materials for IC A… (2003)

  3. No Access

    Article

    Structural properties of star-like dendrimers in solution

    We measured the form factor of star-like poly-ε-caprolactone dendrimers under good solvent conditions with small-angle neutron scattering (SANS). The parameters varied in the experiment were the dendrimer gene...

    S. Rathgeber, A.P. Gast, J.L. Hedrick in Applied Physics A (2002)

  4. No Access

    Article

    Porous Organosilicates for On-Chip Dielectric Applications

    Porous organosilicates useful for on-chip insulator applications can be prepared by templating the vitrification of low molecular weight silsesquioxanes (SSQs) using highly branched, thermally labile macromole...

    R. D. Miller, R. Beyers, K. R. Carter, R. F. Cook… in MRS Online Proceedings Library (1999)

  5. No Access

    Book

    Macromolecular Architectures

    Prof. Jöns G. Hilborn, P. Dubois… in Advances in Polymer Science (1999)

  6. No Access

    Chapter

    Nanoporous Polyimides

    Foamed polyimides have been developed in order to obtain thin film dielectric layers with very low dielectric constants for use in microelectronic devices. In these systems the pore sizes are in the nanometer ...

    J. L. Hedrick, K. R. Carter, J. W. Labadie… in Progress in Polyimide Chemistry II (1999)

  7. No Access

    Article

    Phase-Separated Inorganic-Organic Hybrids for Microelectronic Applications

    R. D. Miller, J. L. Hedrick, D. Y. Yoon, R. F. Cook, J. P. Hummel in MRS Bulletin (1997)

  8. No Access

    Article

    Toughened, Inorganic-Organic Hybrid Materials for Microelectronic Application

    Transparent, nanophase-separated, inorganic-organic hybrid polymers with dielectric constants below 3.0 have been prepared from reactively functionalized poly(amic ester) derivatives and substituted, oligomeri...

    J. L. Hedrick, S. Srinivasan, H.-J. Cha, D. Yoon… in MRS Online Proceedings Library (1996)

  9. No Access

    Article

    Nanoporous Polyimide Films from Polyimide-Aliphatic Polyester or Polyimide-Aliphatic Polycarbonate Copolymers

    We have explored polyimide foams created using a block copolymer approach as part of our research efforts to obtain thin film dielectric layers with very low dielectric constants for use in microelectronic dev...

    K.R. Carter, J.L. Hedrick, R. Richter, P.T. Furuta… in MRS Online Proceedings Library (1996)

  10. No Access

    Article

    Macroporous Thermosets Via Chemically Induced Phase Separation

    We have explored a new technology based on chemically induced phase separation that yields porous epoxies and cyanurates with a closed cell morphology and micrometer sized pores with a narrow pore size distrib...

    J. Kiefer, R. Porouchani, D. Mendels, J.B. Ferrer… in MRS Online Proceedings Library (1996)

  11. No Access

    Article

    Foamed Elastomers for Packaging Interconnections, Testing and Burn-In Applications

    The present study is directed to a new foamed elastomer composition for supporting the interconnecting conductive wires in the Elasticon™ interposer connector for the packaging interconnections, test and burn-...

    Y. Liao, D. Y. Shih, J. L. Hedrick, P. A. Lauro… in MRS Online Proceedings Library (1996)

  12. No Access

    Article

    Characterization of thin Polymeric Nanofoam films by Transmission Electron Microscopy and Small Angle Neutron Scattering

    Thin film polymer nanofoams are produced from triblock copolymers of a fluorinated polyimide, 3F/PMDA (derived from pyromelletic dianhydride (PMDA) and 1,1-bis(4-aminophenyl)-1-phenyl-2,2,2-trifluoroethane (3F...

    R. M. Briber, J. S. Fodor, T. P. Russell, R. D. Miller… in MRS Online Proceedings Library (1996)

  13. No Access

    Article

    Microporous Crosslinked Elastomers

    Elastomeric connectors have been developed for a wide variety of interconnection and test applications which include module-to-board, board-to-board interconnections, high density module, board and LCD testing...

    J.L. Hedrick, S. Srinivasan, R.D. Miller, D.Y. Shih… in MRS Online Proceedings Library (1996)

  14. No Access

    Article

    Nanofoam Porosity Measured by Infrared Spectroscopy and Refractive Index

    Infrared spectroscopy and optical waveguide were used to determine the porosity of polymer nanofoams produced from block copolymers of an aromatic polyimide endcapped with either poly(propyIene oxide) or poly(...

    M.I. Sanchez, J.L. Hedrick, T.P. Russell in MRS Online Proceedings Library (1996)

  15. No Access

    Article

    Polyimide Nanofoams For Low Dielectric Applications

    Foamed polyimides have been developed in order to obtain thin film dielectric layers with very low dielectric constants for use in microelectronic devices. In these systems the pore sizes are in the nanometer ...

    K. R. Carter, H. J. Cha, R. A. Dipietro, C. J. Hawker… in MRS Online Proceedings Library (1995)

  16. No Access

    Article

    High Temperature Polyimide Nanofoams

    A means of generating high temperature polymer foams which leads to pore size in the nanometer regime has been developed. Nanofoams were prepared by casting block copolymers comprised of a thermally stable blo...

    Y. Charlier, T. P. Russell, J. L. Hedrick in MRS Online Proceedings Library (1993)

  17. No Access

    Article

    A method for rubber toughening powder coatings

    This paper describes a new method for rubber toughening brittle powder coatings. The design involves the use of toughening agents with specific physical and chemical properties. The modifiers are low-to-medium...

    J. L. Hedrick, R. D. Allen, A. Diaz, J. G. Hilborn, J. C. Hedrick in Polymer Bulletin (1993)

  18. No Access

    Article

    Progress on Nonlinear Optical Chromophores and Polymers with Useful Nonlinearity and Thermal Stability

    Organic nonlinear optical (NLO) polymers must possess large and stable bulk nonlinear properties if they are to be of practical use. Numerous classes of NLO chromophores and polymers have already been evaluate...

    R. J. Twieg, D. M. Burland, J. L. Hedrick, V. Y. Lee… in MRS Online Proceedings Library (1993)

  19. No Access

    Article

    S7.11 Isolation and structural determination of high-molecular-weight glycan units present in egg cortical granular-derived glycoproteins ofbufo japonicus andxenopus inevis

    Y. Shimoda, K. Kitajima, S. Inoue, N. J. Wardrip, J. L. Hedrick… in Glycoconjugate Journal (1993)

  20. No Access

    Article

    Cyclic ureas as solvents for poly(aryl ether) synthesis

    The synthesis of various poly(aryl ethers) and related small molecule compounds were examined using the cyclic urea 1,3-Dimethyl-3,4,5,6-tetrahydro-2(IH)-pyrimidinone (N,N′-dimethylpropylene urea, DMPU) as the...

    J. W. Labadie, K. R. Carter, J. L. Hedrick, H. Jonsson, S. Y. Kim… in Polymer Bulletin (1993)

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