CaF_2 Single Crystal for Semiconductor Lithography(<Special Issue>Crystal Growth Technology of Fluoride and Oxide Developed from the Viewpoint of Their Material and Functional Properties)
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- Sumiya Keiji
- High Performance Materials R&D Center, Hitachi Chemical Co., Ltd.
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- Senguttuvan Nachimuthu
- High Performance Materials R&D Center, Hitachi Chemical Co., Ltd.
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- Shimizu Shigenori
- High Performance Materials R&D Center, Hitachi Chemical Co., Ltd.
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- Aoshima Masahiro
- High Performance Materials R&D Center, Hitachi Chemical Co., Ltd.
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- Ishibashi Hiroyuki
- High Performance Materials R&D Center, Hitachi Chemical Co., Ltd.
Bibliographic Information
- Other Title
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- 半導体リソグラフィー用CaF_2単結晶(<特集>材料物性から見たフッ化物・酸化物単結晶の育成技術)
- 半導体リソグラフィー用CaF2単結晶
- ハンドウタイ リソグラフィーヨウ CaF2タンケッショウ
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Abstract
Semiconductor lithography plays an important role in miniatur-izing electronic devices with high integration, and the material which constitutes the optical system of a stepper machine serves as a critical element in determining the quality and stability in mass production of integrated circuits. CaF_2 single crystals, which excel synthetic quartz in transmittance, are the preferred lens material in such stepper machines. In this review, we report our recent work on CaF_2 crystal growth and its quality improve-ment such as reduced stress birefringence, higher refractive index homogeneity and higher laser resistance.
Journal
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- Journal of the Japanese Association for Crystal Growth
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Journal of the Japanese Association for Crystal Growth 33 (3), 135-140, 2006
The Japanese Association for Crystal Growth
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Details 詳細情報について
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- CRID
- 1390282680873634944
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- NII Article ID
- 110008592987
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- NII Book ID
- AN00188386
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- ISSN
- 21878366
- 03856275
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- NDL BIB ID
- 8597509
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed