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Published in: Microsystem Technologies 3/2013

01-03-2013 | Technical Paper

Application of photo-etching of polytetrafluoroethylene induced by high energy synchrotron radiation to LIGA

Authors: Hideki Kido, Tomoyuki Kuroki, Masaaki Okubo, Yuichi Utsumi

Published in: Microsystem Technologies | Issue 3/2013

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Abstract

Polytetrafluoroethylene (PTFE) microstructures’ processing characteristics using X-ray photo decomposition and desorption are studied in the highest energy region (2–12 keV). While the exposed surface states are seen melting and boiling from the remaining bubble structure of the irradiated surface, basic photochemistry of PTFE is also same as previous reports. Surface modification of PTFE from hydrophobic to hydrophilic was investigated in order to bond PTFE sheets to a brass substrate. Then, we have a successfully fabricated Ni microstructure by LIGA process using PTFE photo-etching using high energy X-ray. Proposed LIGA using SR-photo-etching of PTFE can simplify the total process, and it can ensure that dimensional errors remain small due to swelling in developer and electroplating bath.

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Literature
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Metadata
Title
Application of photo-etching of polytetrafluoroethylene induced by high energy synchrotron radiation to LIGA
Authors
Hideki Kido
Tomoyuki Kuroki
Masaaki Okubo
Yuichi Utsumi
Publication date
01-03-2013
Publisher
Springer-Verlag
Published in
Microsystem Technologies / Issue 3/2013
Print ISSN: 0946-7076
Electronic ISSN: 1432-1858
DOI
https://doi.org/10.1007/s00542-012-1472-6

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