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Large-Area Pulsed Laser Deposition (PLD)

Published online by Cambridge University Press:  15 February 2011

R. Dietsc
Affiliation:
FhG IWS Dresden, HelmholtzstraBe 20, D-01069 Dresden, Germany
Th. Holzs
Affiliation:
FhG IWS Dresden, HelmholtzstraBe 20, D-01069 Dresden, Germany
H. Mai
Affiliation:
FhG IWS Dresden, HelmholtzstraBe 20, D-01069 Dresden, Germany
M. Panzner
Affiliation:
FhG IWS Dresden, HelmholtzstraBe 20, D-01069 Dresden, Germany
S. Völlmar
Affiliation:
FhG IWS Dresden, HelmholtzstraBe 20, D-01069 Dresden, Germany
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Abstract

PLD of uniform thin films on 4”-wafers has been realized by the integration of a PLD-source into a commercial MBE-system. Thickness homogeneity over the total substrate area is obtained by precise spatial control of the plasma plumes excited simultaneously at 4 adjacent target locations. Computer controlled motion of a cylindrical target with respect to the stationary focal spots of the laser beams, has to provide (a) a suitable deflection of the plume axis and (b) a uniform target erosion. Process control was investigated by computer simulations. The efficiency of the developed technique for large area coating is illustrated by the preparation of DLC thin film specimens and their ellipsometric characterization

Type
Research Article
Copyright
Copyright © Materials Research Society 1995

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References

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