P-type alloy preparation method
The invention discloses a P-type alloy preparation method. The P-type alloy preparation method comprises following steps: an electronic grade raw material is delivered into a quartz crucible, and a small amount of boron powder is added; furnace pressure is controlled to be lower than 15mtorr, and va...
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| creator | SUN YI LI BAO WANG LIN YUE CAIGUANG WANG MIAO CHEN JIANMEI SONG DUMING |
| description | The invention discloses a P-type alloy preparation method. The P-type alloy preparation method comprises following steps: an electronic grade raw material is delivered into a quartz crucible, and a small amount of boron powder is added; furnace pressure is controlled to be lower than 15mtorr, and vacuumizing is carried out; power is increased to be 70kw, and the raw material is dissolved completely; power is adjusted to be 45kw, and is maintained for 30min; the quartz crucible is lifted to a zero crucible position; argon gas flow amount is controlled to be 60slpm, and furnace pressure is controlled to be 17torr; a quartz crucible crucible rotating device is turned on so as to stir boron element in the quartz crucible to be uniform; powder is reduced to 0kw at a uniform speed; fire is ceased for 4h of smoulder; a smoulder product is collected in furnace opening, and the surface of the smoulder product is subjected to corrosion treatment with a corrosive liquid so as to obtain the P-type alloy. The preparation |
| format | Patent |
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The P-type alloy preparation method comprises following steps: an electronic grade raw material is delivered into a quartz crucible, and a small amount of boron powder is added; furnace pressure is controlled to be lower than 15mtorr, and vacuumizing is carried out; power is increased to be 70kw, and the raw material is dissolved completely; power is adjusted to be 45kw, and is maintained for 30min; the quartz crucible is lifted to a zero crucible position; argon gas flow amount is controlled to be 60slpm, and furnace pressure is controlled to be 17torr; a quartz crucible crucible rotating device is turned on so as to stir boron element in the quartz crucible to be uniform; powder is reduced to 0kw at a uniform speed; fire is ceased for 4h of smoulder; a smoulder product is collected in furnace opening, and the surface of the smoulder product is subjected to corrosion treatment with a corrosive liquid so as to obtain the P-type alloy. 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The P-type alloy preparation method comprises following steps: an electronic grade raw material is delivered into a quartz crucible, and a small amount of boron powder is added; furnace pressure is controlled to be lower than 15mtorr, and vacuumizing is carried out; power is increased to be 70kw, and the raw material is dissolved completely; power is adjusted to be 45kw, and is maintained for 30min; the quartz crucible is lifted to a zero crucible position; argon gas flow amount is controlled to be 60slpm, and furnace pressure is controlled to be 17torr; a quartz crucible crucible rotating device is turned on so as to stir boron element in the quartz crucible to be uniform; powder is reduced to 0kw at a uniform speed; fire is ceased for 4h of smoulder; a smoulder product is collected in furnace opening, and the surface of the smoulder product is subjected to corrosion treatment with a corrosive liquid so as to obtain the P-type alloy. 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The P-type alloy preparation method comprises following steps: an electronic grade raw material is delivered into a quartz crucible, and a small amount of boron powder is added; furnace pressure is controlled to be lower than 15mtorr, and vacuumizing is carried out; power is increased to be 70kw, and the raw material is dissolved completely; power is adjusted to be 45kw, and is maintained for 30min; the quartz crucible is lifted to a zero crucible position; argon gas flow amount is controlled to be 60slpm, and furnace pressure is controlled to be 17torr; a quartz crucible crucible rotating device is turned on so as to stir boron element in the quartz crucible to be uniform; powder is reduced to 0kw at a uniform speed; fire is ceased for 4h of smoulder; a smoulder product is collected in furnace opening, and the surface of the smoulder product is subjected to corrosion treatment with a corrosive liquid so as to obtain the P-type alloy. The preparation</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL |
| title | P-type alloy preparation method |
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