書誌事項
- タイトル別名
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- Study on the Copper-Chemical Mechanical Polishing Method Using Water-Soluble Fullerenol Slurry
- スイサンカ フラーレンスラリー オ モチイタ Cu CMP カコウホウ ニ カンスル ケンキュウ ケンマ トクセイ ノ ケンショウ
- -Investigation of Polishing Performance-
- ―研磨特性の検証―
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Chemical mechanical polishing (CMP) is a key process used for the multilayer copper interconnects. In recent years, the most common problem encountered in this regard is the inability of conventional abrasive grains to adapt to the nextgeneration semiconductors owing to their large particle sizes. Hence, this study proposes a water-soluble fullerenol (C60(OH)36) as a novel abrasive grain for Cu-CMP because of its advantageous features such as high water solubility and uniformity of particle size (1 nm); further, there is no risk of contamination of the metal when using C60(OH)36. In this paper, the excellent grain abrasive properties of C60(OH)36 and its chemical affinity for copper are reported. It is experimentally confirmed that owing to its high chemical reactivity, a slurry containing C60(OH)36 can be used to improve the rms surface roughness from 20 to 0.5 nm.
収録刊行物
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- 精密工学会誌
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精密工学会誌 75 (4), 489-495, 2009
公益社団法人 精密工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679774087808
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- NII論文ID
- 130000421625
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- NII書誌ID
- AN1003250X
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- ISSN
- 1882675X
- 09120289
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- NDL書誌ID
- 10262631
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