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Uv Laser-Induced Etching of the First-Row Transition Metals

Published online by Cambridge University Press:  21 February 2011

George W. Tyndall
George W. Tyndall*
Affiliation:
IBM Almaden Research Center, 650 Harry Rd., San Jose, CA 95120
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Abstract

The 248 nm excimer laser-induced etching of Ti, Cr, Fe, Co, Ni, and Cu by Br2 has been studied. The experiment consists of focusing the pulsed UV laser beam at normal incidence onto the surface of a quartz crystal microbalance (QCM) coated with 1μm of polycrystalline metal. Absolute etch rates are determined as a function of the Br2 pressure and the laser fluence. On the basis of the kinetic information, four mechanisms are proposed to explain the etching of these transition metals.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 158: Symposium B – In-Situ Patterning: Selective Area Deposition and Etching , 1989 , 47
Copyright
Copyright © Materials Research Society 1990

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References

REFERENCES

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