CN111139521A - 空气喷射装置、液环真空泵及拉晶炉 - Google Patents
空气喷射装置、液环真空泵及拉晶炉 Download PDFInfo
- Publication number
- CN111139521A CN111139521A CN201911295810.3A CN201911295810A CN111139521A CN 111139521 A CN111139521 A CN 111139521A CN 201911295810 A CN201911295810 A CN 201911295810A CN 111139521 A CN111139521 A CN 111139521A
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- ring vacuum
- air injection
- liquid ring
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B31/00—Diffusion or doping processes for single crystals or homogeneous polycrystalline material with defined structure; Apparatus therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911295810.3A CN111139521A (zh) | 2019-12-16 | 2019-12-16 | 空气喷射装置、液环真空泵及拉晶炉 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911295810.3A CN111139521A (zh) | 2019-12-16 | 2019-12-16 | 空气喷射装置、液环真空泵及拉晶炉 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111139521A true CN111139521A (zh) | 2020-05-12 |
Family
ID=70518491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911295810.3A Pending CN111139521A (zh) | 2019-12-16 | 2019-12-16 | 空气喷射装置、液环真空泵及拉晶炉 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111139521A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087175A (en) * | 1989-03-17 | 1992-02-11 | Raizman Isak A | Gas-jet ejector |
CN202165327U (zh) * | 2011-07-22 | 2012-03-14 | 上海真空泵厂有限公司 | 一种新型无汽蚀水环式真空泵 |
CN205533228U (zh) * | 2016-02-03 | 2016-08-31 | 山东双轮埃姆科泵业有限公司 | 一种进口喷射急冷式真空泵组 |
CN106783693A (zh) * | 2017-01-17 | 2017-05-31 | 京东方科技集团股份有限公司 | 一种真空系统及控制方法 |
-
2019
- 2019-12-16 CN CN201911295810.3A patent/CN111139521A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087175A (en) * | 1989-03-17 | 1992-02-11 | Raizman Isak A | Gas-jet ejector |
CN202165327U (zh) * | 2011-07-22 | 2012-03-14 | 上海真空泵厂有限公司 | 一种新型无汽蚀水环式真空泵 |
CN205533228U (zh) * | 2016-02-03 | 2016-08-31 | 山东双轮埃姆科泵业有限公司 | 一种进口喷射急冷式真空泵组 |
CN106783693A (zh) * | 2017-01-17 | 2017-05-31 | 京东方科技集团股份有限公司 | 一种真空系统及控制方法 |
Non-Patent Citations (1)
Title |
---|
邵明礼等: "水环真空泵常见故障及其应对措施", 《合成纤维》 * |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210924 Address after: 710000 room 1-3-029, No. 1888, Xifeng South Road, high tech Zone, Xi'an, Shaanxi Province Applicant after: Xi'an yisiwei Material Technology Co.,Ltd. Applicant after: XI'AN ESWIN SILICON WAFER TECHNOLOGY Co.,Ltd. Address before: Room 1323, block a, city gate, No.1 Jinye Road, high tech Zone, Xi'an, Shaanxi 710065 Applicant before: XI'AN ESWIN SILICON WAFER TECHNOLOGY Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
CB02 | Change of applicant information |
Address after: Room 1-3-029, No. 1888, Xifeng South Road, high tech Zone, Xi'an, Shaanxi 710065 Applicant after: Xi'an Yisiwei Material Technology Co.,Ltd. Applicant after: XI'AN ESWIN SILICON WAFER TECHNOLOGY Co.,Ltd. Address before: 710000 room 1-3-029, No. 1888, Xifeng South Road, high tech Zone, Xi'an, Shaanxi Province Applicant before: Xi'an yisiwei Material Technology Co.,Ltd. Applicant before: XI'AN ESWIN SILICON WAFER TECHNOLOGY Co.,Ltd. |
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CB02 | Change of applicant information |