Development of improved solid oxide fuel cell electrolyte sheet by microimprinting for layered material

F Tsumori, Y Tanaka, Y Xu, T Osada… - Japanese journal of …, 2014 - iopscience.iop.org
At present, the solid oxide fuel cell (SOFC) is attracting much attention because it possesses
the highest power generation efficiency among many types of fuel cell, and SOFC emits only …

Development of multilayer imprint process for solid oxide fuel cells

K Tokumaru, F Tsumori, K Kudo, T Osada… - Japanese journal of …, 2017 - iopscience.iop.org
Solid oxide fuel cells (SOFCs) are fuel cells made of ceramics. To increase the SOFC energy
density, we developed an SOFC with a wavy electrolyte layer. As a wavy electrolyte has a …

Wavy micro channels in micropatterned ceramic sheet formed by combined process of laser beam machining and imprinting

F Tsumori, S Hunt, K Kudo, T Osada… - Journal of the Japan …, 2016 - jstage.jst.go.jp
Micro channels made of polymers are commonly used for MEMS and μTAS (micro-total
analysis system) devices. In this research, we developed a process for fabricating a ceramic …

Combining multi-step imprinting with the in-plane compression method

T Miyata, K Tokumaru, F Tsumori - Japanese journal of applied …, 2020 - iopscience.iop.org
In this study, a micro-patterning process is proposed and developed in order to obtain
various functional properties on the surface of an object. Nano imprint lithography has …

Fabrication of micro/submicron hierarchical structures on ceramic sheet surfaces combining 2-step imprinting and in-plane compression processes

R Taira, F Tsumori - Japanese Journal of Applied Physics, 2024 - iopscience.iop.org
Many organisms have functional microstructured surfaces. Particularly, lotus leaves have
hierarchical dual-scale micro/nanostructures on their surface and exhibit highly water …

Dimension change during multi-step imprint process and in-plain compression

T Miyata, K Tokumaru, F Tsumori - Journal of Photopolymer Science …, 2020 - jstage.jst.go.jp
In nature, there are living organisms that have functional properties with a special surface
structure. The research has been widely conducted to apply the same functional properties …

[HTML][HTML] Hierarchical patterning by multi-step micro-imprinting with layered materials

F Tsumori, L Shen, T Osada, H Miura - Manufacturing Review, 2015 - mfr.edp-open.org
The objective of the work reported in this paper is to create multi-scale and hierarchical
surface structures using a simple imprinting process. The hierarchical structures can be …

Submicron imprint patterning of compound sheet with ceramic nanopowder

R Taira, F Tsumori - Japanese journal of applied physics, 2022 - iopscience.iop.org
Nanoimprint lithography is a highly productive process and has an advantage in its
resolution of printed patterns. In this paper, inorganic materials are imprinted using mixtures …

Interfacial pattern changes of imprinted multilayered material in milli-and microscales

K Yonekura, K Tokumaru… - Japanese journal of …, 2018 - iopscience.iop.org
Nanoimprint lithography (NIL) is a technique that transfers a mold pattern of nanometer
order to the surface of a resist material by heating and pressing. NIL is an excellent …

Simulation of deformation of layered sheet during micro powder imprinting process

F Tsumori, Y Xu, H Kang, T Osada… - … XII: proceedings of the …, 2013 - upcommons.upc.edu
This paper reports simulation of deformation during micro powder imprinting process, which
is a newly developed process to form micro patterned surface on ceramic sheets. The …