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Method for controlling oxygen content of czochralski-method silicon single crystals by means of frequency conversion magnetic field
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Device for repeatedly feeding materials to pulling single crystal furnace
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Pre-purging device for furnace mounting and dismounting system in zone-melting silicon single crystal furnace
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Novel Czochralski silicon single crystal doping method with resistivity control function
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Silicon wafer slitting die of multi-wire sawing machine
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Clamping device for single crystal clamping system of zone-melting silicon single crystal furnace
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Refection ring for improving uniformity of axial and radial resistivities of float zone silicon single crystal
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Thermal field structure for drawing zone-melting 8-12-inch silicon single crystal
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Gas blowing coil for zone-melting gas-doped monocrystalline
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Thermal field for improving growth of zone-melting silicon and single crystal silicon
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Boss coil for preparing zone melting single-crystal
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Novel heat-insulating cylinder for improving crystallization of zone-melting silicon single crystals
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Method for producing straightly-pulled heavily-doped ultralow-resistivity silicon monocrystal
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Exhaust pipeline for czochralski silicon single-crystal furnace exhaust system
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Silicon wafer cleaning basket
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Heat treatment process of large-diameter NTD monocrystals
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Novel flow guide cylinder capable of improving growth rate of Czochralski silicon monocrystals
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Novel doping gas path for zone-melting gas-doped single crystal
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Improved doping gas circuit for zone-melting gas-doped monocrystalline
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CN104313682A
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Heat field structure for fast increasing growth speed of czochralski silicon single crystal
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