METHOD FOR PRODUCING AlN

PROBLEM TO BE SOLVED: To provide a manufacturing method by which AlN can be formed by suppressing formation of oxides in a melted Al material.SOLUTION: AlN 10 is generated such that: steam containing Mg which is obtained after heating Mg and nitrogen gas are reacted in an inert atmosphere to generat...

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Main Authors UJIHARA TORU, SUZUKI KAZUNORI, TAKEUCHI YUKIHISA
Format Patent
LanguageEnglish
Japanese
Published 13.09.2018
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Abstract PROBLEM TO BE SOLVED: To provide a manufacturing method by which AlN can be formed by suppressing formation of oxides in a melted Al material.SOLUTION: AlN 10 is generated such that: steam containing Mg which is obtained after heating Mg and nitrogen gas are reacted in an inert atmosphere to generate MgN; an Al material 30 disposed on a base plate 20 is heated to be fused; Al in the Al material 30 and MgNare reacted. A non-oxide-based material having a melting point higher than that of Mg or Al, not combining with the fused Al in the Al material 30, not thermally decomposed in an inert atmosphere, not decomposed by a reduction effect of MgN, is used for the base plate 20. Thereby, Ois not generated by a reduction effect of MgN. Therefore, complete AlN 10 is formed without forming oxides in the fused Al material 30.SELECTED DRAWING: Figure 3 【課題】溶融したAl材の中に酸化物の形成を抑制して、AlNを形成することができる製造方法を提供する。【解決手段】Mgを加熱し、不活性雰囲気においてMgを含んだ蒸気を窒素ガスと反応させてMg3N2を生成し、さらに基板20の上に配置したAl材30を加熱して溶融させ、Al材30のAlとMg3N2とを反応させてAlN10を生成する。基板20として、Mg及びAlよりも高い融点を有し、溶融したAl材30のAlと化合せず、不活性雰囲気において熱分解せず、さらにMg3N2の還元作用によって分解しない非酸化物系材料を用いる。これにより、Mg3N2による還元作用によってO2が発生しない。したがって、溶融したAl材30の中に酸化物を形成せずに、完全なAlN10を形成することができる。【選択図】図3
AbstractList PROBLEM TO BE SOLVED: To provide a manufacturing method by which AlN can be formed by suppressing formation of oxides in a melted Al material.SOLUTION: AlN 10 is generated such that: steam containing Mg which is obtained after heating Mg and nitrogen gas are reacted in an inert atmosphere to generate MgN; an Al material 30 disposed on a base plate 20 is heated to be fused; Al in the Al material 30 and MgNare reacted. A non-oxide-based material having a melting point higher than that of Mg or Al, not combining with the fused Al in the Al material 30, not thermally decomposed in an inert atmosphere, not decomposed by a reduction effect of MgN, is used for the base plate 20. Thereby, Ois not generated by a reduction effect of MgN. Therefore, complete AlN 10 is formed without forming oxides in the fused Al material 30.SELECTED DRAWING: Figure 3 【課題】溶融したAl材の中に酸化物の形成を抑制して、AlNを形成することができる製造方法を提供する。【解決手段】Mgを加熱し、不活性雰囲気においてMgを含んだ蒸気を窒素ガスと反応させてMg3N2を生成し、さらに基板20の上に配置したAl材30を加熱して溶融させ、Al材30のAlとMg3N2とを反応させてAlN10を生成する。基板20として、Mg及びAlよりも高い融点を有し、溶融したAl材30のAlと化合せず、不活性雰囲気において熱分解せず、さらにMg3N2の還元作用によって分解しない非酸化物系材料を用いる。これにより、Mg3N2による還元作用によってO2が発生しない。したがって、溶融したAl材30の中に酸化物を形成せずに、完全なAlN10を形成することができる。【選択図】図3
Author TAKEUCHI YUKIHISA
SUZUKI KAZUNORI
UJIHARA TORU
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Snippet PROBLEM TO BE SOLVED: To provide a manufacturing method by which AlN can be formed by suppressing formation of oxides in a melted Al material.SOLUTION: AlN 10...
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COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
Title METHOD FOR PRODUCING AlN
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