Self-Aligned Formation of Porous Silicon Membranes Using Si Diaphragm Structures.
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- Kobayashi Toshihiro
- Toyota Technological Institute, Department of Information-Aided Technology, 2-12 Hisakata, Tempaku-ku, Nagoya 468-8511, Japan
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- Ohsawa Jun
- Toyota Technological Institute, Department of Information-Aided Technology, 2-12 Hisakata, Tempaku-ku, Nagoya 468-8511, Japan
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- Nagata Seiichi
- Toyota Technological Institute, Department of Information-Aided Technology, 2-12 Hisakata, Tempaku-ku, Nagoya 468-8511, Japan
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- Hara Tamio
- Toyota Technological Institute, Department of Information-Aided Technology, 2-12 Hisakata, Tempaku-ku, Nagoya 468-8511, Japan
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- Yamaguchi Naohiro
- Toyota Technological Institute, Department of Information-Aided Technology, 2-12 Hisakata, Tempaku-ku, Nagoya 468-8511, Japan
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- Yamaguchi Masafumi
- Toyota Technological Institute, Department of Information-Aided Technology, 2-12 Hisakata, Tempaku-ku, Nagoya 468-8511, Japan
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抄録
We report a new method of forming porous silicon membranes that is useful for micromachining applications. Using a p+ layer on an n-type silicon substrate, silicon diaphragms were formed by anisotropic etching with p+ etch stop characteristics. By choosing an appropriate polarity of current, local porosification of the membranes was achieved by anodic oxidation in hydrofluoric acid. Optical transmission was measured in the wavelength range from 400 nm to 900 nm. Transmittance of the membrane was calculated from reflectance and absorption coefficients using data from the literature. Quite reasonable agreement was obtained between the measured and calculated values, which confirms that the membrane had been converted uniformly to porous silicon.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 41 (8B), L963-L965, 2002
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1390282681233570048
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- NII論文ID
- 110004081125
- 130004530064
- 210000052964
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- NII書誌ID
- AA10650595
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- ISSN
- 13474065
- 00214922
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- NDL書誌ID
- 6238200
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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
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- 抄録ライセンスフラグ
- 使用不可