FR1251724A - Electronic beam generator - Google Patents
Electronic beam generatorInfo
- Publication number
- FR1251724A FR1251724A FR821818A FR821818A FR1251724A FR 1251724 A FR1251724 A FR 1251724A FR 821818 A FR821818 A FR 821818A FR 821818 A FR821818 A FR 821818A FR 1251724 A FR1251724 A FR 1251724A
- Authority
- FR
- France
- Prior art keywords
- beam generator
- electronic beam
- electronic
- generator
- 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.)
- Expired
Links
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
-
- 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
- H01J37/06—Electron sources; Electron guns
- H01J37/063—Geometrical arrangement of electrodes for beam-forming
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S164/00—Metal founding
- Y10S164/05—Electron beam
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US818306A US2994801A (en) | 1959-06-05 | 1959-06-05 | Electron beam generation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1251724A true FR1251724A (en) | 1961-01-20 |
Family
ID=25225202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR821818A Expired FR1251724A (en) | 1959-06-05 | 1960-03-18 | Electronic beam generator |
Country Status (5)
Country | Link |
---|---|
US (1) | US2994801A (en) |
CH (1) | CH388470A (en) |
DE (1) | DE1190112B (en) |
FR (1) | FR1251724A (en) |
GB (1) | GB930673A (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5552675A (en) * | 1959-04-08 | 1996-09-03 | Lemelson; Jerome H. | High temperature reaction apparatus |
DE1110877B (en) * | 1959-04-24 | 1961-07-13 | Heraeus Gmbh W C | Process for melting metal blocks using electron beams |
NL287706A (en) * | 1960-02-26 | |||
GB915657A (en) * | 1960-08-22 | 1963-01-16 | Ass Elect Ind | Improvements relating to electron beam furnaces |
US3267529A (en) * | 1961-10-04 | 1966-08-23 | Heraeus Gmbh W C | Apparatus for melting metals under high vacuum |
NL287527A (en) * | 1962-01-15 | |||
US3343828A (en) * | 1962-03-30 | 1967-09-26 | Air Reduction | High vacuum furnace |
US3237254A (en) * | 1962-06-26 | 1966-03-01 | Stauffer Chemical Co | Vacuum casting |
US3392304A (en) * | 1965-10-19 | 1968-07-09 | Air Reduction | Power supply for an electron beam furnace gun |
DE1521251B2 (en) * | 1966-05-03 | 1970-03-26 | Farbenfabriken Bayer Aktiengesellschaft, 5090 Leverkusen | Device and method for uniform evaporation and application of refractory materials, in particular quartz |
US3437734A (en) * | 1966-06-21 | 1969-04-08 | Isofilm Intern | Apparatus and method for effecting the restructuring of materials |
US3454814A (en) * | 1966-07-29 | 1969-07-08 | Atomic Energy Commission | Tubular vapor source |
US3714416A (en) * | 1969-02-24 | 1973-01-30 | Applied Radiation Corp | Method and apparatus for irradiation treatment of elongate materials |
US3769008A (en) * | 1971-05-19 | 1973-10-30 | B Borok | Method for sintering workpieces of pressed powdered refractory metal or alloy and vacuum furnace for performing the same |
US3857014A (en) * | 1971-08-25 | 1974-12-24 | A Khotina | Electron beam generator |
US3770934A (en) * | 1971-10-29 | 1973-11-06 | Machlett Lab Inc | Electron beam heating apparatus |
US3932171A (en) * | 1972-09-24 | 1976-01-13 | Tetronics Research And Development Company | Process for high temperature treatment of materials |
US4764947A (en) * | 1985-12-04 | 1988-08-16 | The Machlett Laboratories, Incorporated | Cathode focusing arrangement |
US6476340B1 (en) | 1999-04-14 | 2002-11-05 | The Boc Group, Inc. | Electron beam gun with grounded shield to prevent arc-down and gas bleed to protect the filament |
CN101786619B (en) * | 2010-02-10 | 2012-03-28 | 黎应和 | Vertical high temperature continuous graphitizing furnace |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2005330A (en) * | 1930-08-19 | 1935-06-18 | Thomas W Sukumlyn | Electron emission device |
US2308800A (en) * | 1941-02-15 | 1943-01-19 | Bell Telephone Labor Inc | Electron discharge device |
US2321886A (en) * | 1941-03-29 | 1943-06-15 | Bell Telephone Labor Inc | Electron discharge device |
US2452044A (en) * | 1943-08-14 | 1948-10-26 | Fox Benjamin | High emission cathode |
BE507367A (en) * | 1950-11-25 | |||
DE898193C (en) * | 1951-11-18 | 1953-11-30 | Siemens Ag | Electron beam generation system, especially for amplifying very high frequencies |
US2819380A (en) * | 1953-03-23 | 1958-01-07 | Du Mont Allen B Lab Inc | Method and apparatus for making apertured masks |
US2748312A (en) * | 1954-11-19 | 1956-05-29 | Hughes Aircraft Co | Cathode-ray storage tube system |
US2824259A (en) * | 1955-06-06 | 1958-02-18 | Hughes Aircraft Co | Virtual flood-electron source |
US2864965A (en) * | 1956-04-05 | 1958-12-16 | Sperry Rand Corp | Electron gun for tubular beam |
US2864020A (en) * | 1956-10-16 | 1958-12-09 | Itt | Electron discharge device |
-
1959
- 1959-06-05 US US818306A patent/US2994801A/en not_active Expired - Lifetime
-
1960
- 1960-02-02 GB GB3643/60A patent/GB930673A/en not_active Expired
- 1960-03-18 FR FR821818A patent/FR1251724A/en not_active Expired
- 1960-05-09 DE DEST16459A patent/DE1190112B/en active Pending
- 1960-05-11 CH CH537860A patent/CH388470A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB930673A (en) | 1963-07-10 |
DE1190112B (en) | 1965-04-01 |
CH388470A (en) | 1965-02-28 |
US2994801A (en) | 1961-08-01 |
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