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The provision for disengagement of silicon ingot and method for dismounting after electron-beam smelting
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Electron-beam smelting removes the method and device of volatile impurity in silicon
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A kind of silicon materials process for effectively purifying and device
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The method and apparatus that silicon material efficiently purifies after a kind of medium melting
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A kind of method and device improving electron-beam smelting polysilicon efficiency
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The preparation method and device of refractory metal annular target
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A kind of silicon target facing attachment
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Electron beam removes the process of phosphorus and metal impurities in silicon
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A kind of method of boron in vapor auxiliary electron beam melting removal silicon
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A kind of method of hard inclusions in electromagnetic induction directional solidification divided silicon
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A method of reducing the whole head of ingot tail portion resistance deviation of polycrystalline silicon target
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A kind of method that low cost removes carbon, nitrogen impurity in polysilicon
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A kind of method of carbon, nitrogen impurity in removal polysilicon
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A kind of method of casting polycrystalline silicon target using powder
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A kind of method of hard inclusions in temperature gradient divided silicon
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Production method for runway type silicon target material
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A kind of new target furnace apparatus and target bonding method
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Machining method for semicircular target material
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A kind of modified target furnace apparatus and target bonding method
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A kind of production method of special angle silicon target
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