CA2379913A1 - Electron beam shielding apparatus and methods for shielding electron beams - Google Patents
Electron beam shielding apparatus and methods for shielding electron beams Download PDFInfo
- Publication number
- CA2379913A1 CA2379913A1 CA002379913A CA2379913A CA2379913A1 CA 2379913 A1 CA2379913 A1 CA 2379913A1 CA 002379913 A CA002379913 A CA 002379913A CA 2379913 A CA2379913 A CA 2379913A CA 2379913 A1 CA2379913 A1 CA 2379913A1
- Authority
- CA
- Canada
- Prior art keywords
- electron beam
- beam guns
- barrier
- guns
- pair
- 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.)
- Abandoned
Links
- 238000010894 electron beam technology Methods 0.000 title claims abstract description 168
- 238000000034 method Methods 0.000 title claims description 13
- 230000004888 barrier function Effects 0.000 claims abstract description 121
- 230000003993 interaction Effects 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 17
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 239000012768 molten material Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/305—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching
- H01J37/3053—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching for evaporating or etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/09—Diaphragms; Shields associated with electron or ion-optical arrangements; Compensation of disturbing fields
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/354,286 US6175585B1 (en) | 1999-07-15 | 1999-07-15 | Electron beam shielding apparatus and methods for shielding electron beams |
| US09/354,286 | 1999-07-16 | ||
| PCT/US2000/019410 WO2001006537A1 (en) | 1999-07-15 | 2000-07-14 | Electron beam shielding apparatus and methods for shielding electron beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2379913A1 true CA2379913A1 (en) | 2001-01-25 |
Family
ID=23392634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002379913A Abandoned CA2379913A1 (en) | 1999-07-15 | 2000-07-14 | Electron beam shielding apparatus and methods for shielding electron beams |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6175585B1 (enExample) |
| EP (1) | EP1204984A4 (enExample) |
| JP (1) | JP2003532856A (enExample) |
| AU (1) | AU776095B2 (enExample) |
| CA (1) | CA2379913A1 (enExample) |
| WO (1) | WO2001006537A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6496529B1 (en) * | 2000-11-15 | 2002-12-17 | Ati Properties, Inc. | Refining and casting apparatus and method |
| US8891583B2 (en) | 2000-11-15 | 2014-11-18 | Ati Properties, Inc. | Refining and casting apparatus and method |
| US7205329B2 (en) | 2003-05-30 | 2007-04-17 | Microbia, Inc. | Modulators of CRTH2 activity |
| ES2608863T3 (es) | 2007-03-30 | 2017-04-17 | Ati Properties Llc | Horno de fusión que incluye un emisor de electrones de plasma iónico por descarga de hilo |
| US8748773B2 (en) * | 2007-03-30 | 2014-06-10 | Ati Properties, Inc. | Ion plasma electron emitters for a melting furnace |
| JP7697950B2 (ja) * | 2019-12-17 | 2025-06-24 | チタニウム メタルズ コーポレーション | 溶融炉用モジュラーガンアセンブリ |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB915657A (en) * | 1960-08-22 | 1963-01-16 | Ass Elect Ind | Improvements relating to electron beam furnaces |
| US3343828A (en) * | 1962-03-30 | 1967-09-26 | Air Reduction | High vacuum furnace |
| DE1199097B (de) * | 1962-09-25 | 1965-08-19 | Heraeus Gmbh W C | Vorrichtung zum Vakuumbedampfen breiter Baender, insbesondere mit Metallen, durch Erhitzen des Verdampfungsgutes mittels Elektronenstrahlen |
| US4027722A (en) | 1963-02-01 | 1977-06-07 | Airco, Inc. | Electron beam furnace |
| US3857014A (en) | 1971-08-25 | 1974-12-24 | A Khotina | Electron beam generator |
| JPS5611551B2 (enExample) * | 1973-04-05 | 1981-03-14 | ||
| US5263689A (en) | 1983-06-23 | 1993-11-23 | General Electric Company | Apparatus for making alloy power |
| USRE32932E (en) | 1987-03-06 | 1989-05-30 | A Johnson Metals Corporation | Cold hearth refining |
| US4932635A (en) | 1988-07-11 | 1990-06-12 | Axel Johnson Metals, Inc. | Cold hearth refining apparatus |
| US5034590A (en) * | 1989-08-02 | 1991-07-23 | Anelva Corporation | Electron gun arrangement for use in the electron beam evaporation process |
| JPH03191290A (ja) * | 1989-12-20 | 1991-08-21 | Jeol Ltd | 真空溶解装置 |
| US5100463A (en) * | 1990-07-19 | 1992-03-31 | Axel Johnson Metals, Inc. | Method of operating an electron beam furnace |
| US5291940A (en) | 1991-09-13 | 1994-03-08 | Axel Johnson Metals, Inc. | Static vacuum casting of ingots |
| US5171357A (en) * | 1991-12-16 | 1992-12-15 | Axel Johnson Metals, Inc. | Vacuum processing of particulate reactive metal |
| US5216690A (en) | 1992-03-11 | 1993-06-01 | Hanks Charles W | Electron beam gun with grounded shield to prevent arc down |
-
1999
- 1999-07-15 US US09/354,286 patent/US6175585B1/en not_active Expired - Fee Related
-
2000
- 2000-07-14 AU AU63500/00A patent/AU776095B2/en not_active Ceased
- 2000-07-14 JP JP2001511709A patent/JP2003532856A/ja active Pending
- 2000-07-14 CA CA002379913A patent/CA2379913A1/en not_active Abandoned
- 2000-07-14 EP EP00950389A patent/EP1204984A4/en not_active Withdrawn
- 2000-07-14 WO PCT/US2000/019410 patent/WO2001006537A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU6350000A (en) | 2001-02-05 |
| AU776095B2 (en) | 2004-08-26 |
| US6175585B1 (en) | 2001-01-16 |
| EP1204984A1 (en) | 2002-05-15 |
| JP2003532856A (ja) | 2003-11-05 |
| WO2001006537A1 (en) | 2001-01-25 |
| EP1204984A4 (en) | 2002-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |