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Dielectrics 1

Dielectrics 1. Prof. Kee-Joe Lim kjlim@chungbuk.ac.kr , 261-2424 School of Electrical and Computer Engineering Chungbuk National University http://imt.cbucc.net 2008/9/1. 1. 유전재료. [1] Basic principles [2] Ferroelectric ceramics - Ferroelectric

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Dielectrics 1

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  1. Dielectrics 1 Prof. Kee-Joe Lim kjlim@chungbuk.ac.kr, 261-2424 School of Electrical and Computer Engineering Chungbuk National University http://imt.cbucc.net 2008/9/1

  2. 1. 유전재료 [1] Basic principles [2] Ferroelectric ceramics - Ferroelectric - Piezoelectric - Pyroelectric [3] Microwave Dielectrics

  3. Duplexer LTCC Module (low temp. co-fired ceramic) Duplexer

  4. True charge

  5. P

  6. =

  7. (거시와 미시 연결)

  8. (單原子分子)

  9. [보충자료] B A H H B A (if ) 순시분극까지 포함하면 액체를 대상으로 하는 Debye model과 동일

  10. : 완화주파수이상에서 발생하는 분극 :완화주파수이하에서 발생하는 분극(static polarization)

  11. Build-up Decay Oriental polarization만 고려시 Debye form이 되며, 허수부는 전계와 同相分(in-phase components)전류 ; dielectric loss

  12. >

  13. Debye model; semicircle

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