An artificial dielectric material of huge permittivity with novel anisotropy and its application to a microwave BPF

  • Awai I
  • Kubo H
  • Iribe T
 et al. 
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Artificial dielectrics of very high equivalent permittivity are designed and fabricated by use of a patterned PCB printed circuit board. Rectangular metal patterns are etched out to attain as big a capacitance with each other as possible but as small a current as possible, which is important in order to realize large permittivity and small loss, respectively. Artificial dielectric disk resonators are created to excite the TE01δ mode selectively, aligning the rectangular metal patterns along the direction of the mode electric field lines. Thus, a miniaturized BPF with superior spurious characteristics is fabricated using three disk resonators.

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  • I Awai

  • H Kubo

  • T Iribe

  • D Wakamiya

  • A Sanada

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