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Proceedings Paper

Modeling of acid catalyzed resists with electron beam exposure
Author(s): Theodore H. Fedynyshyn; Jason R. Gillman; Russell B. Goodman; Theodore M. Lyszczarz; Steven J. Spector; Donna Lennon; Sandy Denault; Robert H. Bates
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Paper Abstract

The aggressive scaling in critical dimensions, coupled with the increasing use of subresolution features in optical proximity correction (OPC), dictates that maskwriters should have at their disposal electron beam resists capable of printing 100-nm OPC features on 280-nm design rule masks (70-nm features on the wafer). There is a need to survey commercial chemically amplified resists for use as mask making resists, and for completeness, such a survey would require that each resist be compared with an optimized resist process. To accomplish this task in a acceptable time period we have chosen to perform electron beam lithography modeling to quickly identify the resist process combinations that will lead to superior resist performance. We have used the technique of combining electron beam resist modeling with lithography to screen chemically amplified resists for use in electron beam mask making. This was accomplished by comparing experimentally determined resist sensitivities and profiles with those predicted from ProBeam /3D lithography modeling software.

Paper Details

Date Published: 24 July 2002
PDF: 12 pages
Proc. SPIE 4690, Advances in Resist Technology and Processing XIX, (24 July 2002); doi: 10.1117/12.474190
Show Author Affiliations
Theodore H. Fedynyshyn, MIT Lincoln Lab. (United States)
Jason R. Gillman, MIT Lincoln Lab. (United States)
Russell B. Goodman, MIT Lincoln Lab. (United States)
Theodore M. Lyszczarz, MIT Lincoln Lab. (United States)
Steven J. Spector, MIT Lincoln Lab. (United States)
Donna Lennon, MIT Lincoln Lab. (United States)
Sandy Denault, MIT Lincoln Lab. (United States)
Robert H. Bates, International SEMATECH (United States)


Published in SPIE Proceedings Vol. 4690:
Advances in Resist Technology and Processing XIX
Theodore H. Fedynyshyn, Editor(s)

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