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The study on cure behavior and dielectric property of Ceramic (BNT)-Polymer (BCB) composite material

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2007, 17(6), pp.251-255
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

김운용 1 SHIN, DONG WOOK 2 Cho Jeong Ho 3 전명표 4 KIM BYUNG IK 3 명성재 4

1한양대학교, 요업기술원
2한양대학교
3한국세라믹기술원
4요업기술원

Accredited

ABSTRACT

We made (1 . x)BCB . xBNT(BaNd2Ti4O12) (x = 20, 30, 40, 50 vol%) composite thick film with a high dielectric constant and low loss by the hand casting method. Dielectric constant and dielectric loss of prepared thick film are measured at 1MHz and curing behavior of the film are observed through thermal analysis such as DSC. We investigated the effect of contents of BNT filler and curing behavior of film on dielectric properties of BCB-BNT composite. Dielectric constant increased with increasing BNT filler from 20 to 50 vol% and dielectric loss (tanδ) decreased with increasing BNT filler. Dielectric constant and loss (tanδ) of composite material was not nearly dependent on the curing behavior. But as a result of TCC (Temperature Characteristics of Coefficient) decreased with increasing the curing temperature, we confirmed that the curing of these composite system is most stable above 250 o C._sign

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