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Materials Surface Processing with Excimer Lasers

Published online by Cambridge University Press:  25 February 2011

David J. Elliott
Affiliation:
LEITZ-IMAGE MICRO SYSTEMS CO. 900 Middlesex Turnpike, Building #8 Billerica, MA 01821
Bernhard P. Piwczyk
Affiliation:
LEITZ-IMAGE MICRO SYSTEMS CO. 900 Middlesex Turnpike, Building #8 Billerica, MA 01821
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Abstract

The continued reduction of VLSI circuit geometries together with increasingly higher levels of circuit integration create the demand for new circuit fabrication technologies. One of the limitations of current IC fabrication technology is the use of high temperature processing. High temperatures severely distort silicon wafers, causing loss of geometry control and a subsequent reduction of device yield. Excimer laser technology, at very short ultra-violet wavelengths offers the possibility of extremely low temperature processing, including the following major applications: Photoresist exposure, photoresist ablation over alignment marks, annealing and etching. In addition, applications in circuit personalization and fiber optics appear as very promising new applications for excimer laser technology in the electronics industry.

Type
Articles
Copyright
Copyright © Materials Research Society 1987

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References

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