43 Result(s)

Article

Dielectric properties of barium titanate with Sb₂O₃ and ZnO

K. H. Yoon, J. W. Kim, K. H. Jo in Journal of Materials Science Letters (1989)

Article

Effects on microstructure and tensile properties of a zirconium addition to a Cu-Al-Ni shape memory alloy

J. W. Kim, D. W. Roh, E. S. Lee, Y. G. Kim in Metallurgical Transactions A (1990)

Article

Microstructure and properties of grain-refined Cu-Zn-Al-X shape memory alloys

J. W. Kim, E. S. Lee, T. J. Cho, Y. G. Kim in Journal of Materials Science Letters (1990)

Article

Improved Surface Roughness at Poly-Oxide/Poly-Si Interface by a Novel Oxidation Method

We present a novel oxidation method to improve the surface roughness at the poly-oxide/poly-Si interface. Instead of directly oxidizing the poly-Si to the desired thickness of the SiO₂, a thin oxide layer is ther...

M. C. Jun, J. W. Kim, K. B. Kim, B. C. Ahn, M. K. Han in MRS Online Proceedings Library (1994)

Article

Preparation of PZT Thin Films by ECR PECVD

Lead zirconate titanite (PZT) thin films have been prepared on Pt/Ti/SiO₂/Si and Pt/Ta/Si₂/Si substrates by electron cyclotron resonance plasma enhanced chemical vapor deposition (ECR PECVD) at low temperatures u...

J. W. Kim, S. T. Kim, S. W. Chung, J. S. Shin, K. S. No… in MRS Online Proceedings Library (1994)

Article

Application of the Fermi Hypernetted-Chain theory and Effective Correlation Factor method for laughlin quantum Hall states

The Fermi Hypernetted-Chain theory and the Effective Correlation Factor method is applied to study the Laughlin states describing the fractional quantum Hall effect. Employing this formalism we evaluate the co...

O. Ciftja, S. Fantoni, J. W. Kim, M. L. Ristig in Journal of Low Temperature Physics (1997)

Article

Performance Study of 4-Inch Full Color Field Emission Display Devices

We present performance results of 4-inch full-color field emission display (FED) devices which are constructed by using Spindt type arrays with 80,000,000 Mo-metal tips, spacers, uniquely-developed low voltage...

J. M. Kim, J. P. Hong, N. S. Park, J. E. Jung, Y. W. **… in MRS Online Proceedings Library (1997)

Article

Fabrication and Characterization of Color Phosphors Prepared Electrophoretically for 4-inch Full Color Fed Application

Color phosphors have been deposited on indium-tin glasses by utilizing an electrophoretic process for the application to prototype 4-inch full color FED devices. The deposition suspension is prepared with colo...

J. P. Hong, J. E. Jang, Y. H. **, J. W. Kim, J. H. Choi… in MRS Online Proceedings Library (1997)

Article

Amphiphilic urethane acrylate hydrogels having heterophasic gel structure: swelling behaviors and mechanical properties

 Amphiphilic urethane acrylate hydrogels containing ionic group (dimethylopropionic acid, DMPA) were prepared by varying the molecular weight of the soft segment (polyether type, PTMG) and type of diisocyanate...

J. W. Kim, K. D. Suh in Colloid and Polymer Science (1998)

Article

Highly monodisperse crosslinked polystyrene microparticles by dispersion polymerization

 Highly monodisperse polystyrene microparticles cross-linked with urethane acrylates were produced by dispersion polymerization in ethanol solution in the presence of 2,2′-azobis (isobutyronitrile) initiator, ...

J.-W. Kim, Kyung-Do Suh in Colloid and Polymer Science (1998)

Article

Ultraviolet-curable epoxy acrylate dispersions: effect of urethane acrylate anionomers on stabilizing and film properties

 Epoxy acrylate dispersions stabilized using urethane acrylate anionomers were prepared for an application of ultraviolet (UV) curing. By observing the optical microscopy and colloidal stability for the epoxy ...

W.-W. Jeong, J.-W. Kim, K.-D. Suh in Colloid and Polymer Science (1998)

Article

Highly monodisperse crosslinked polymethylmethacrylate microparticles by dispersion polymerization

Highly monodisperse polymethylmethacrylate (PMMA) microparticles crosslinked with carboxylic group-containing urethane acrylates (CUA) were produced by simple dispersion polymerization in methanol solution. I...

J. W. Kim, K. D. Suh in Colloid and Polymer Science (1999)

Article

Poly(methyl methacrylate) hollow particles by water-in-oil-in-water emulsion polymerization

Poly(methyl methacrylate) particles having hollow structures were produced by water-in-oil-in-water (W/O/W) emulsion polymerization where sorbitan monooleate (Span80) was used as a primary surfactant and sodi...

J.-W. Kim, Y.-G. Joe, K.-D. Suh in Colloid and Polymer Science (1999)

Article

Mechanical properties of amphiphilic urethane acrylate ionomer hydrogels having heterophasic gel structure

Amphiphilic urethane acryale hydrogels containing ionic groups (dimethylolpropionic acid) were prepared by varying the molecular weight of the soft segment (polyether type) and the type of diisocyanate, and t...

D.-H. Lee, J.-W. Kim, K.-D. Suh in Colloid and Polymer Science (1999)

Article

Morphology of micron-sized polystyrene particles crosslinked with urethane acrylate

The morphology of micron-sized polystyrene particles crosslinked with a urethane acrylate crosslinker was studied with different concentrations of urethane acrylate and medium solvency by means of simple disp...

J.-W. Kim, K.-D. Suh in Colloid and Polymer Science (1999)

Article

Ag-Substituted Hydroxyapatite Coatings with Both Antimicrobial Effects and Biocompatibility

Q. L. Feng, F. Z. Cui, T. N. Kim, J. W. Kim in Journal of Materials Science Letters (1999)

Article

SAN-Na+-montmorillonite nanocomposite for electrorheological material

H. J. Choi, J. W. Kim, M. H. Noh, D. C. Lee… in Journal of Materials Science Letters (1999)

Article

Synthesis and electrorheological characterization of carbonaceous particle suspensions

H. J. Choi, J. W. Kim, S.-H. Yoon, R. Fujiura… in Journal of Materials Science Letters (1999)

Article

Monodisperse micron-sized crosslinked polystyrene particles. IV. Effect of network structure on polymerization procedure

Monodisperse micron-sized polystyrene particles crosslinked using urethane acrylate were produced by dispersion polymerization in ethanol solution and the effect of the crosslinked network structure on the po...

J.-H. Ryu, J.-W. Kim, K.-D. Suh in Colloid and Polymer Science (1999)

Article

Electrorheological characteristics of polyaniline and its copolymer suspensions with ionic and nonionic substituents

Electrorheological (ER) characteristics of ER fluids, composed of suspensions of semiconducting polyaniline and two different copolyaniline particles in silicone oil, were determined experimentally. Ionic sod...

M. S. Cho, J. W. Kim, H. J. Choi, R. M. Webber, M. S. Jhon in Colloid and Polymer Science (2000)