Dry-etching processes for high-aspect-ratio features with sub-10 nm resolution high-χ block copolymers

G Pound-Lana, P Bézard, C Petit-Etienne… - … Applied Materials & …, 2021 - ACS Publications
Directed self-assembly of block copolymers (BCP) is a very attractive technique for the
realization of functional nanostructures at high resolution. In this work, we developed full dry …

Substrate tolerant direct block copolymer nanolithography

T Li, Z Wang, L Schulte, S Ndoni - Nanoscale, 2016 - pubs.rsc.org
Block copolymer (BC) self-assembly constitutes a powerful platform for nanolithography.
However, there is a need for a general approach to BC lithography that critically considers …

Enhanced block copolymer lithography using sequential infiltration synthesis

YC Tseng, Q Peng, LE Ocola, JW Elam… - The Journal of …, 2011 - ACS Publications
Block copolymer lithography is a promising approach to massively parallel, high-resolution,
and low-cost patterning, but the inherently low etch resistance of polymers has limited its …

Pulsed transfer etching of PS–PDMS block copolymers self-assembled in 193 nm lithography stacks

C Girardot, S Böhme, S Archambault… - … applied materials & …, 2014 - ACS Publications
This work presents the graphoepitaxy of high-χ block copolymers (BCP) in standard industry-
like lithography stacks and their transfer into the silicon substrate The process includes …

Perpendicularly oriented sub-10-nm block copolymer lamellae by atmospheric thermal annealing for one minute

T Seshimo, R Maeda, R Odashima, Y Takenaka… - Scientific reports, 2016 - nature.com
The directed self-assembly (DSA) of block co-polymers (BCPs) can realize next-generation
lithography for semiconductors and a variety of soft materials. It is imperative to …

Controlled Anisotropic Wetting by Plasma Treatment for Directed Self-Assembly of High-χ Block Copolymers

AF Putranto, C Petit-Etienne, S Cavalaglio… - … Applied Materials & …, 2024 - ACS Publications
The directed self-assembly (DSA) of block copolymers (BCPs) is a promising next-
generation lithography technique for high-resolution patterning. However, achieving …

Optimization and control of large block copolymer self-assembly via precision solvent vapor annealing

A Selkirk, N Prochukhan, R Lundy, C Cummins… - …, 2021 - ACS Publications
The self-assembly of ultra-high molecular weight (UHMW) block copolymers (BCPs) remains
a complex and time-consuming endeavor owing to the high kinetic penalties associated with …

Rapid and cyclable morphology transition of high-χ block copolymers via solvent vapor-immersion annealing for nanoscale lithography

YJ Choi, MH Byun, TW Park, S Choi… - ACS Applied Nano …, 2019 - ACS Publications
The self-assembly of block copolymers (BCPs) has attracted considerable attention because
it can effectively generate highly ordered nanostructures through a simple and cost-effective …

Ultralarge-area block copolymer lithography enabled by disposable photoresist prepatterning

SJ Jeong, HS Moon, BH Kim, JY Kim, J Yu, S Lee… - ACS …, 2010 - ACS Publications
We accomplished truly scalable, low cost, arbitrarily large-area block copolymer lithography,
synergistically integrating the two principles of graphoepitaxy and epitaxial self-assembly …

Plasma etch transfer of self-assembled polymer patterns

DE Johnston, M Lu, CT Black - Journal of Micro …, 2012 - spiedigitallibrary.org
Self-organizing block copolymer thin films hold promise as a photolithography enhancement
material for the 22-nm microelectronics technology generation and beyond, primarily …