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@ARTICLE{Brose:827210,
author = {Brose, Sascha and Tempeler, Jenny and Danylyuk, Serhiy and
Loosen, Peter and Juschkin, Larissa},
title = {{A}chromatic {T}albot lithography with partially coherent
extreme ultraviolet radiation: process window analysis},
journal = {Journal of micro/nanolithography, MEMS and MOEMS},
volume = {15},
number = {4},
issn = {1932-5150},
address = {Bellingham, Wash.},
publisher = {SPIE90039},
reportid = {FZJ-2017-01408},
pages = {043502 -},
year = {2016},
abstract = {The main purpose of this work is the experimental
determination of the process window for achromatic Talbot
lithography with partially coherent extreme ultraviolet
(EUV) radiation. This work has been performed using the EUV
laboratory exposure tool. It consists of a discharge
produced plasma source with a direct beam path to a
phase-shifting transmission mask, avoiding losses due to
additional optical components, the photoresist-coated wafer,
and a positioning system for each component. Both the source
and the mask are optimized for 11-nm wavelength. The process
window has been identified by a systematic analysis of
several exposure series. The optimization of exposure
parameters resulted in 50-nm half-pitch of the wafer
features using a transmission mask with a rectangular dot
array of 70-nm half-pitch. The depth of field is found to be
20 μm, and it can be extended by spatial filtering.
The exposure dose and mask–wafer distance are varied
around their optimal values to estimate the process window,
using defectivity of the pattern as a control parameter.},
cin = {PGI-9 / JARA-FIT},
ddc = {620},
cid = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
pnm = {521 - Controlling Electron Charge-Based Phenomena
(POF3-521)},
pid = {G:(DE-HGF)POF3-521},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000397068400004},
doi = {10.1117/1.JMM.15.4.043502},
url = {https://juser.fz-juelich.de/record/827210},
}