通威永祥突破颗粒硅核心技术:高纯硅烷制备! 不同于 西门子 法棒状硅,需要先制备三氯氢硅,再加氢气还原为11n的电子级高纯多晶硅;颗粒硅(硅烷 Template




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tomski通威永祥突破颗粒硅核心技术:高纯硅烷制备! 不同于 西门子 coloring