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The characterization and preparation of porous low dielectric films using various cyclodextrins as template materials

Published online by Cambridge University Press:  01 February 2011

Jin-Heong Yim
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Jung-Bae Kim
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Hyun-Dam Jeong
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Yi-Yeoul Lyu
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Sang Kook Mah
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Jingyu Hyeon-Lee
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Kwang Hee Lee
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Seok Chang
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712
Lyong Sun Pu
Affiliation:
Electronic-Materials Lab., Samsung Advanced Institiue of Technology (SAIT), San 14-1, Nongseo-ri, Kiheung-eup, Yongin-shi, Kyungki-do, Korea, 449-712 Department of Advanced Materials, Sung Kyun Kwan University, 300 Chunchun-dong, Jangan-gu, Suwon, Kyunggi-do 440-746, Korea
Y. F. Hu
Affiliation:
Department of Physics, University of Michigan, Ann Arbor, Michigan 48109
J.N. Sun
Affiliation:
Department of Physics, University of Michigan, Ann Arbor, Michigan 48109
D.W. Gidley
Affiliation:
Department of Physics, University of Michigan, Ann Arbor, Michigan 48109
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Abstract

Porous low dielectric films containing nano pores (∼20Å) with low dielectric constant (<2.2), have been prepared by using various kinds of cyclodextrin derivatives as porogenic materials. The pore structure such as pore size and interconnectivity can be controlled by changing functional groups of the cyclodextrin derivatives. We found that mechanical properties of porous low-k thin film prepared with mCSSQ (modified cyclic silsesquioxane) precursor and cyclodextrin derivatives were correlated with the pore interconnection length. The longer the interconnection length of nanopores in the thin film, the worse the mechanical properties of the thin film (such as hardness and modulus) even though the pore diameter of the films were microporous (∼2nm).

Type
Research Article
Copyright
Copyright © Materials Research Society 2003

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References

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The characterization and preparation of porous low dielectric films using various cyclodextrins as template materials
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