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Laser Induced Chemical Etching of Composite Structure of Ferrite and Sendust

Published online by Cambridge University Press:  25 February 2011

S. Nagatomo ,
M. Takai ,
Y. F. Lu  and
S. Namba
S. Nagatomo
Affiliation:
D.S. Scanner Company Ltd., Higasi-ku, Osaka 560, Japan
M. Takai
Affiliation:
Faculty of Engineering Science and Research Center for Extreme Materials, Osaka University, Toyonaka, Osaka 560, Japan
Y. F. Lu
Affiliation:
Faculty of Engineering Science and Research Center for Extreme Materials, Osaka University, Toyonaka, Osaka 560, Japan
S. Namba
Affiliation:
Faculty of Engineering Science and Research Center for Extreme Materials, Osaka University, Toyonaka, Osaka 560, Japan
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Abstract

Maskless etching of the composite structure of Mn-Zn ferrite and sendust (Fe-Si-Al alloy) was performed by focused argon-ion-laser irradiation in a CCl4 atmosphere and aqueous solutions. Only a mixture of KOH and NaOH aqueous solutions was found to smoothly etch the composite structure by thermochemical reaction using laser irradiation. A maximum etching rate of 14 μm/sec was obtained for sendust-on-ferrite substrates.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 129: Symposium B – Laser and Particle-Beam Modification of Chemical Processes on Surfaces , 1988 , 333
Copyright
Copyright © Materials Research Society 1989

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References

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