Formation of latent images and resist profiles in the DESIRE process

Marijan E. Reuhman-Huisken; A. J. W. Tol; Robert Jan Visser; Han J. Dijkstra; J. P. O'Neil

doi:10.1117/12.20137

1 June 1990 Formation of latent images and resist profiles in the DESIRE process

Marijan E. Reuhman-Huisken, A. J. W. Tol, Robert Jan Visser, Han J. Dijkstra, J. P. O'Neil

Proceedings Volume 1262, Advances in Resist Technology and Processing VII; (1990) https://doi.org/10.1117/12.20137
Event: Microlithography '90, 1990, San Jose, CA, United States

Abstract

The silylated image and etched profiles in the DESIRE process are simulated and compared with experimental results. The simulations show sioped silylated profiles, due to the finite contrast of both the aerial image and the silylation. As a consequence the etched profiles are positively sloped and the linewidth changes in the course of the etch process. Experimental results reveal that the slopes of the silylated areas are even worse than simulated. This is attributed to lateral swelling and lateral transport of the silylating reagent. In accordance with the simulation the linewidth decreaseS during etching. The sidewall angles, however, remain near-vertical despite the worse slope in the silylated profiles.

Citation Download Citation

Marijan E. Reuhman-Huisken, A. J. W. Tol, Robert Jan Visser, Han J. Dijkstra, and J. P. O'Neil "Formation of latent images and resist profiles in the DESIRE process", Proc. SPIE 1262, Advances in Resist Technology and Processing VII, (1 June 1990); https://doi.org/10.1117/12.20137

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