微生物の生化学反応を応用した材料微細加工プロセスに関する研究第1報 : 銅の微生物誘起腐食の加工への応用(境界領域)

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The possibility of new material processing using microorganism has been studied. In these studies, it was investigated new techniques to utilize bacteria as processing tools and to apply microbial metabolic reaction to material processing. This method originated from the proposal of using the iron oxiding bacteria, Thiobachillus fellooxidans, focusing on the possibility of applying its supreme ability of corroding iron to material processing. However, T. ferrooxidans is not always suitable for material processing because it prefers a strong sour environment, and usual materials are easily damaged by these sour solutions. Therefore, bacteria that live in a neutral environment and their biochemical is more suitable for this processing. Therefore, Microbiologically Influenced Corrosion (MIC) is a good candidate for this processing because MIC involves high corrosion rates in a mild environment. A study on this new etching process for metals, applying the microbial metabolic reaction related to MIC, is reported here. The process is called "Bio-etching" and it is investigated by the following experiments. First, Staphylococcus sp., detected as the cause of the corrosion of copper was selected as the test strain. The situations of the adhesion area of Staphylococcus sp. and the occurrence of the corrosion on each culture condition were evaluated, and the optimal conditions for processing were examined. Secondly, an experiment for bio-etching to metallic copper using Staphylococcus sp. was carried out, the creation of the processing pattern corresponding to the shape provided by resist was observed.
社団法人日本鉄鋼協会の論文
2006-04-01

微生物の生化学反応を応用した材料微細加工プロセスに関する研究第1報 : 銅の微生物誘起腐食の加工への応用(境界領域)

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微生物の生化学反応を応用した材料微細加工プロセスに関する研究 第1報 : 銅の微生物誘起腐食の加工への応用(境界領域)

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微生物の生化学反応を応用した材料微細加工プロセスに関する研究第1報 : 銅の微生物誘起腐食の加工への応用(境界領域)