TITLE

A method of measuring surface permittivity by microwave dielectric analysis

AUTHOR(S)
Naito, Satoru; Hoshi, Masato; Mashimo, Satoru
PUB. DATE
October 1996
SOURCE
Review of Scientific Instruments;Oct96, Vol. 67 Issue 10, p3633
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Discusses a method for controlling skin depth of microwave dielectric analysis using an open end cell. Correlation between the measured permittivity, the electric length of the cell and the permittivity depth profile; Usefulness of the skin depth controlling method for dielectric analysis of water in living organisms and related food products.
ACCESSION #
4295513

 

Related Articles

  • Apparatus for low-frequency study of high-loss dielectrics. Janik, P.; Tomawski, L.; Ziolo, J. // Review of Scientific Instruments;Jul2001, Vol. 72 Issue 7, p3019 

    The measurement setup for studying complex dielectric permittivity in a region of frequency between 10[sup -3] to 10[sup 5] Hz. Loss factor, tan δ of the sample can be very high, from 10 to 10[sup 4], because the loss resistance is compensated by negative resistance, realized by a negative...

  • A solid dielectric Compton diode for measuring short radiation pulse widths. Carlson, G. A.; Sanford, T. W. L.; Davis, B. A. // Review of Scientific Instruments;Nov90, Vol. 61 Issue 11, p3447 

    A simple, rugged, and inexpensive solid dielectric Compton diode (SCD) has been developed for measuring the radiation-time history of flash x-ray sources. By limiting the physical size of the Compton diode and matching its characteristic impedance to that of the signal cable, a frequency...

  • Dielectric resonators in a TE[sub 102] X-band rectangular cavity. Del Monaco, S.; Brivati, J.; Gualtieri, G.; Sotgiu, A. // Review of Scientific Instruments;Oct95, Vol. 66 Issue 10, p5104 

    Describes a method for coupling a dielectric resonator (DR) to standard TE[sub 102] rectangular cavity. Changes to existing rectangular cavities; Comparison with other resonant structures based on dielectric resonators; Usefulness of the system for pulsed application where high filing factors...

  • Precise measurement of dielectric properties at frequencies from 1 kHz to 100 MHz. Kakimoto, Akira; Etoh, Akihiro; Hirano, Kaoru; Nonaka, Satoshi // Review of Scientific Instruments;Feb1987, Vol. 58 Issue 2, p269 

    This paper describes an improved apparatus to measure dielectric constants and dissipation factors using a resonance technique. The measurements can be made rapidly and accurately without appreciable systematic error in the wide frequency range from 1 kHz to 100 MHz. This apparatus uses the half...

  • A study of a microwave cavity tuned oscillator. Chen, W.M.; Li, L.Y.; Zhang, B.P.; Wu, F.M.; Yu, Z.; Jin, X. // Review of Scientific Instruments;Oct96, Vol. 67 Issue 10, p3631 

    Measures the relative dielectric constant of nonpolar dielectric fluid using a microwave cavity tuned oscillator (MCTO). Theory of the technique; Formula for evaluating the uncertainty of the measured dielectric constant; Factors that contributed to a higher accuracy of the MCTO measurement.

  • Scanning nonlinear dielectric microscope. Cho, Yasuo; Kirihara, Akio; Saeki, Takahiro // Review of Scientific Instruments;Jun96, Vol. 67 Issue 6, p2297 

    Describes a scanning technique for imaging the state of spontaneous polarization of a ferroelectric material by measuring the microscopic point-to-point variation of its nonlinear dielectric constants. Theory for detecting polarization; Technique for measuring nonlinear dielectric response;...

  • Room-temperature liquid dielectrics for high-energy x-ray tomography. Lepert, S. // Review of Scientific Instruments;Nov90, Vol. 61 Issue 11, p3456 

    The purpose of this study considers the possibility to use room-temperature liquid dielectrics for computed x-ray tomography (250-keV average energy). For this application, the most important consequence of a device, using a room-temperature liquid dielectric as detector in the ionization...

  • Automated, low-temperature dielectric relaxation apparatus for measurement of air-sensitive, corrosive, hygroscopic, powdered samples Bessonette, Paul W. R.; Bessonette, Paul W.R.; White, Mary Anne // Review of Scientific Instruments;Jul99, Vol. 70 Issue 7, p3113 

    Reports on the development of a design for an automated apparatus for dielectric determinations on solid samples. Dielectric data frequency range; Temperature range; Dielectric constant and loss.

  • Dielectric waveguide spectrometer for absorption spectroscopy of reactive vapors at microwave frequencies. Longo, I. // Review of Scientific Instruments;Sep92, Vol. 63 Issue 9, p4122 

    Experiments of microwave spectroscopy of gases at low pressures are performed with some advantages using dielectric waveguide cells. The construction of an improved version of a dielectric waveguide spectrometer is described. Details on the experimental methods utilized for gas handling and for...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics