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Study of dielectric behavior of aromatic polyimide films

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4 Author(s)
Chişcă, S. ; “Petru Poni” Inst. of Macromolecular Chem., Iasi, Romania ; Musteata, V. ; Sava, I. ; Bruma, M.

Aromatic polyimide films were prepared and their dielectric constant and relaxation behavior were studied. Polyimide films have good insulating properties with dielectric constant values in the range of 2.88 - 3.48 at 1Hz and room temperature. Three relaxation processes (γ, β1 and β2) at sub-glass temperatures were observed and investigated. The cooperativity of the molecular motions associated with the relaxation processes was discussed.

Published in:

Semiconductor Conference (CAS), 2010 International  (Volume:02 )

Date of Conference:

11-13 Oct. 2010