Chemical Reaction Analysis of EUV CA Resist using SR Absorption Spectroscopy
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- Watanabe Takeo
- Center for EUVL, Laboratory of Advanced Science and Technology for Industry, University of Hyogo
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- Haruyama Yuichi
- Center for EUVL, Laboratory of Advanced Science and Technology for Industry, University of Hyogo
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- Shiono Daiju
- Center for EUVL, Laboratory of Advanced Science and Technology for Industry, University of Hyogo
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- Emura Kazuya
- Center for EUVL, Laboratory of Advanced Science and Technology for Industry, University of Hyogo
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- Urayama Takuro
- Center for EUVL, Laboratory of Advanced Science and Technology for Industry, University of Hyogo
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- Harada Tetsuo
- Center for EUVL, Laboratory of Advanced Science and Technology for Industry, University of Hyogo
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- Kinoshita Hiroo
- Center for EUVL, Laboratory of Advanced Science and Technology for Industry, University of Hyogo
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Abstract
It had been reported that tri-phenysulfonium cyclo(1,3-perfluoropropanedisulfone) imidate (TPS-IMIDATE) as a photo acid generator has approximately four times faster sensitive rather than tri-phenysulfonium perfluorobutanesulfonate (TPS-PFBS) under the EUV exposure. In this paper, we discussed the differences of the sensitivity and the chemical reaction between TPS-IMIDATE and TPS-PFBS, on the basis of the EUV-induced analysis of the SR absorption spectroscopy. From the analysis of the SR absorption spectroscopy, F and C atoms in the anion of TPS-IMIDATE decomposed rather than that of TPS-PFBS. The sensitivity advantage of TPS-IMIDATE might own to the anion decomposition reaction. The anion decomposition reaction might be originated to the photo-excitation of the photoacid generator. The anion of TPS-IMIDATE decomposed to smaller molecule and the sensitivity becomes higher.
Journal
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- Journal of Photopolymer Science and Technology
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Journal of Photopolymer Science and Technology 25 (5), 569-573, 2012
The Society of Photopolymer Science and Technology(SPST)
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Details 詳細情報について
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- CRID
- 1390282679300986368
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- NII Article ID
- 130004833480
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- NII Book ID
- AA11576862
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- COI
- 1:CAS:528:DC%2BC38XhtFehurbO
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- ISSN
- 13496336
- 09149244
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- NDL BIB ID
- 023821982
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed