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Proceedings Paper

High Contrast Single Layer Resists And Antireflection Layers - An Alternative To Multilayer Resist Techniques
Author(s): C. Nolscher; L. Mader; M. Schneegans
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Paper Abstract

Optical lithography is reflection limited within the limits of the image contrast provided by the exposure tool. The introduction of antireflection layers (ARLs) enables the use of high contrast resists which reproduce the optical image within the theoretically maximum possible range. If such resists are available, the need for multilayer resist techniques is appreciably reduced. This work reviews the known lithographic tools that counteract the reflection problem especially in the case of Al-layers, and extends the application of ARLs to silicide, poly-Si and dielectric layers on Si. The results are based on simulations performed with SAMPLE and experimental work on submicron devices.

Paper Details

Date Published: 30 January 1989
PDF: 9 pages
Proc. SPIE 1086, Advances in Resist Technology and Processing VI, (30 January 1989); doi: 10.1117/12.953036
Show Author Affiliations
C. Nolscher, Siemens Research Laboratories (Germany)
L. Mader, Siemens Research Laboratories (Germany)
M. Schneegans, Siemens Research Laboratories (Germany)


Published in SPIE Proceedings Vol. 1086:
Advances in Resist Technology and Processing VI
Elsa Reichmanis, Editor(s)

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