Scaling-down lithographic dimensions with block-copolymer materials: 10nm-sized features with PS-b-PMMA - Archive ouverte HAL Access content directly
Conference Papers Year : 2013

Scaling-down lithographic dimensions with block-copolymer materials: 10nm-sized features with PS-b-PMMA

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1
X. Chevalier
  • Function : Author
C. Nicolet
  • Function : Author
R. Tiron
  • Function : Author
A. Gharbi
  • Function : Author
M. Argoud
  • Function : Author
J. Pradelles
  • Function : Author
G. Fleury
  • Function : Author
G. Hadziioannou
  • Function : Author
C. Navarro
  • Function : Author

Abstract

PS-b-PMMA block-copolymers systems synthesized on an industrial scale, and satisfying microelectronic’s requirements for metallic contents specifications, are studied in terms of integration capabilities for lithographic applications. We demonstrate in particular that this kind of polymer can efficiently achieve periodic features close to 10 nm. These thin-films can be transferred in various substrates through dry-etching techniques. The self-assembly optimization for each polymer is first performed on free-surface, leading to interesting properties, and the changes in self-assembly rules for low molecular weight polymers are investigated and highlighted through different graphoepitaxy approaches. The enhancements in self-assembly capabilities toward low periodic polymers, as well as the broad range of achievable features sizes render PS-b-PMMA system very attractive ones for lithographic CMOS applications. We conclude showing that high-χ polymers materials developed in Arkema’s laboratories can be efficiently used to reduce the pattern’s size beyond the ones of PS-b-PMMA based BCP’s capabilities.
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Dates and versions

hal-00944986 , version 1 (19-03-2020)

Licence

Attribution - CC BY 4.0

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X. Chevalier, C. Nicolet, R. Tiron, A. Gharbi, M. Argoud, et al.. Scaling-down lithographic dimensions with block-copolymer materials: 10nm-sized features with PS-b-PMMA. SPIE Advanced Lithography, 2013, San Diego, United States. ⟨10.1117/12.2011405⟩. ⟨hal-00944986⟩
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