Oxidative Curing of Hydrogen Silsesquioxane Resin Films by Electron Beam Irradiation without Additional Heatings and Characterization of the Cured Films.
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- Nakamura Takashi
- No. 1 Group, AETS & Development No. 2 Department,
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- Sasaki Motoshi
- No. 2 Group, AETS & Development No. 1 Department, S&T Division, Dow Corning Toray Silicone Co., Ltd., 2-2 Chigusa-kaigan, Ichihara, Chiba 299-0108, Japan
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- Kobayashi Akihiko
- No. 1 Group, AETS & Development No. 2 Department,
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- Sawa Kiyotaka
- No. 1 Group, AETS & Development No. 2 Department,
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- Mine Katsutoshi
- No. 1 Group, AETS & Development No. 2 Department,
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抄録
We have developed a new curing process for hydrogen silsesquioxane (HSQ) films, which is applicable for interlayer dielectrics of LSI devices. In this process, an electron beam was used as a curing source. As a result, a practical curing speed was obtained without additional heat treatments at ambient pressure, since electron beams accelerate the oxidative curing reaction on HSQ. The cured films exhibited properties for practical use such as thermal stability, which are equivalent to films cured conventionally by heat treatment. The cracking resistance of the electron-beam-cured films is excellent. A film of 3.0 μm thickness did not show any cracks, whereas a thermally cured film with a thickness of 1.25 μm showed cracks. Furthermore, electron-beam-cured films with a thickness of 2.5 μm did not show any cracks even after nitrogen annealing at 400°C for 1 h. The mechanism of oxidative curing of HSQ by electron beam irradiation was also studied.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 40 (11), 6187-6191, 2001
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
- 1390282681228301568
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- NII論文ID
- 210000050181
- 110004043428
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- NDL書誌ID
- 5985602
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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