Influence of Acid Diffusion Length on Line Edge Roughness in KrF Photoresists
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- Kim Jae Hyun
- Material Technology Group, Memory Division, Device Solution Network, Samsung Electronics Co., Ltd
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- Kim Yong-Ho
- Material Technology Group, Memory Division, Device Solution Network, Samsung Electronics Co., Ltd
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- Chon Sang Mun
- Material Technology Group, Memory Division, Device Solution Network, Samsung Electronics Co., Ltd
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- Nagai Tomoki
- Semiconductor Materials Laboratory,Fine Electronic Research Laboratories, JSR Corporation
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- Noda Masahiro
- Material Characterization and Analysis Laboratory, JSR Corporation
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- Yamaguchi Yoshikazu
- Semiconductor Materials Laboratory,Fine Electronic Research Laboratories, JSR Corporation
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- Makita Yutaka
- Material Characterization and Analysis Laboratory, JSR Corporation
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- Nemoto Hiroaki
- Semiconductor Materials Laboratory,Fine Electronic Research Laboratories, JSR Corporation
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説明
LER of an acetal-type photoresist (PR) and an annealing-type PR was measured by Atomic Force Microscopy. The annealing-type PR showed smaller LER than acetal- type did. From acid diffusion length measurement study, the annealing-type PR has been found to show longer acid diffusion length than that of acetal-type PR. Considering deblocking temperature of acetal- and annealing-type PR, there would be more hydroxystyrene units in acetal-type PR at the beginning of PEB than in annealing-type one. From Tg study using DSC, it was found that Tg of acetal-type PR is much higher than that of annealing-type PR after deblocking reaction and Tg change in annealing-type PR is larger than acetal-type. The absolute Tg value and Tg change with deblocking reaction depending on types of PRs were correlated to explain the inherent difference in LER performance in different types of PRs.
収録刊行物
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- Journal of Photopolymer Science and Technology
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Journal of Photopolymer Science and Technology 17 (3), 379-384, 2004
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詳細情報 詳細情報について
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- CRID
- 1390001204324036736
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- NII論文ID
- 130004464358
- 40006276561
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- NII書誌ID
- AA11576862
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- COI
- 1:CAS:528:DC%2BD2cXmtlGgs7w%3D
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- ISSN
- 13496336
- 09149244
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- NDL書誌ID
- 6981300
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可