Minimization of X-Ray Mask Distortion by Two-Dimensional Finite Element Method Simulation : Lithography Technology :
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- KISHIMOTO,Akihiko
- Central Research Laboratory, Hitachi Ltd
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- KUNIYOSHI,Shinji
- Semiconductor Design and Development Center, Hitachi, Ltd
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- SAITO,Naoto
- Mechanical Engineering Research Laboratory, Hitachi, Ltd
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- SOGA,Takashi
- Central Research Laboratory, Hitachi Ltd
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- MOCHIJI,Kozo
- Central Research Laboratory, Hitachi Ltd
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- KIMURA,Takeshi
- Ome Works, Hitachi, Ltd
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説明
X-ray mask distortion caused by absorber stress is quantitatively analyzed by using two-dimensional simulation. Simulated results successfully predict the mask pattern distortion in practical mask structures. A square mask window is better than a circular one because the distortion for square windows can be minimized by reducing the pattern length. In addition, it is found that the maximum distortion is virtually the same regardless of the number of LSI chips within the square window mask.
収録刊行物
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- JJAP series
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JJAP series 4 92-95, 1991-01-31
Japanese Journal of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1540009770354150400
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- NII論文ID
- 110003912783
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- NII書誌ID
- AA11020413
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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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- NDLデジコレ(旧NII-ELS)
- CiNii Articles