DE2604603A1 - Feldemissionsquelle - Google Patents
FeldemissionsquelleInfo
- Publication number
- DE2604603A1 DE2604603A1 DE19762604603 DE2604603A DE2604603A1 DE 2604603 A1 DE2604603 A1 DE 2604603A1 DE 19762604603 DE19762604603 DE 19762604603 DE 2604603 A DE2604603 A DE 2604603A DE 2604603 A1 DE2604603 A1 DE 2604603A1
- Authority
- DE
- Germany
- Prior art keywords
- cathode
- ray tube
- tube according
- cathode ray
- core wire
- 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
Links
- 239000000463 material Substances 0.000 claims description 12
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052721 tungsten Inorganic materials 0.000 claims description 12
- 239000010937 tungsten Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910000830 fernico Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007740 vapor deposition Methods 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
- H01J37/02—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
- H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
- H01J1/304—Field-emissive cathodes
-
- 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
- H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
- H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/30—Cold cathodes
- H01J2201/304—Field emission cathodes
- H01J2201/30446—Field emission cathodes characterised by the emitter material
- H01J2201/30453—Carbon types
- H01J2201/30457—Diamond
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Cold Cathode And The Manufacture (AREA)
- Electron Sources, Ion Sources (AREA)
- Prevention Of Electric Corrosion (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7501932A NL7501932A (nl) | 1975-02-19 | 1975-02-19 | Veldemissiebron. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2604603A1 true DE2604603A1 (de) | 1976-09-02 |
Family
ID=19823210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762604603 Pending DE2604603A1 (de) | 1975-02-19 | 1976-02-06 | Feldemissionsquelle |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5616942B2 (es) |
| AU (1) | AU1115576A (es) |
| DE (1) | DE2604603A1 (es) |
| ES (1) | ES445244A1 (es) |
| FR (1) | FR2301918A1 (es) |
| GB (1) | GB1527022A (es) |
| NL (1) | NL7501932A (es) |
| SE (1) | SE7601660L (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140088A (zh) * | 2015-07-24 | 2015-12-09 | 北京航空航天大学 | 大束流电子束打靶微束斑x射线源的聚焦装置及其使用方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7605820A (nl) * | 1976-05-31 | 1977-12-02 | Philips Nv | Elektronenstraalbuis met veldemissieelektronen- bron, veldemissieelektronenbron voor een der- gelijke elektronenstraalbuis en werkwijze voor de vervaardiging van een dergelijke veldemis- sieelektronenbron. |
| JP3131339B2 (ja) * | 1993-12-22 | 2001-01-31 | 三菱電機株式会社 | 陰極、陰極線管および陰極線管の作動方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL285235A (es) * | 1961-11-08 | |||
| US3374386A (en) * | 1964-11-02 | 1968-03-19 | Field Emission Corp | Field emission cathode having tungsten miller indices 100 plane coated with zirconium, hafnium or magnesium on oxygen binder |
| FR1478071A (fr) * | 1965-04-30 | 1967-04-21 | Matsushita Electric Ind Co Ltd | Appareil pour former un faisceau d'électrons |
| US3665241A (en) * | 1970-07-13 | 1972-05-23 | Stanford Research Inst | Field ionizer and field emission cathode structures and methods of production |
-
1975
- 1975-02-19 NL NL7501932A patent/NL7501932A/xx not_active Application Discontinuation
-
1976
- 1976-02-06 DE DE19762604603 patent/DE2604603A1/de active Pending
- 1976-02-16 JP JP1499276A patent/JPS5616942B2/ja not_active Expired
- 1976-02-16 SE SE7601660A patent/SE7601660L/xx unknown
- 1976-02-16 GB GB5965/76A patent/GB1527022A/en not_active Expired
- 1976-02-17 ES ES445244A patent/ES445244A1/es not_active Expired
- 1976-02-17 AU AU11155/76A patent/AU1115576A/en not_active Expired
- 1976-02-19 FR FR7604539A patent/FR2301918A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140088A (zh) * | 2015-07-24 | 2015-12-09 | 北京航空航天大学 | 大束流电子束打靶微束斑x射线源的聚焦装置及其使用方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2301918B1 (es) | 1979-08-31 |
| NL7501932A (nl) | 1976-08-23 |
| AU1115576A (en) | 1977-09-01 |
| GB1527022A (en) | 1978-10-04 |
| JPS51107756A (es) | 1976-09-24 |
| FR2301918A1 (fr) | 1976-09-17 |
| SE7601660L (sv) | 1976-08-20 |
| JPS5616942B2 (es) | 1981-04-20 |
| ES445244A1 (es) | 1977-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3878298T2 (de) | Vorrichtung zur emission von elektronen. | |
| EP1946088B1 (de) | Vorrichtung zur röntgen-tomosynthese | |
| DE2536363C3 (de) | Dünnschicht-Feldelektronenemissionsquelle and Verfahren zu ihrer Herstellung | |
| DE4425683C2 (de) | Elektronenerzeugungsvorrichtung einer Röntgenröhre mit einer Kathode und mit einem Elektrodensystem zum Beschleunigen der von der Kathode ausgehenden Elektronen | |
| DE102013004297B4 (de) | Target für Röntgenstrahlgenerator, Verfahren zum Herstellen desselben und Röntgenstrahlgenerator | |
| DE102007010463B4 (de) | Vorrichtung zur Feldemission von Teilchen | |
| DE2129636C2 (de) | Feldemissions-Elektronenstrahlerzeugungssystem | |
| EP1783809A2 (de) | Nanofocus-Röntgenröhre | |
| DE10334606A1 (de) | Kathode für Hochemissions-Röntgenröhre | |
| DE2216119A1 (de) | Feldemissions-Röntgenstrahlröhre | |
| DE112016007058B4 (de) | Ionenätzvorrichtung | |
| DE69006603T2 (de) | Schnellheizkathode für Hochleistungsvakuumröhren. | |
| DE102005060242B4 (de) | Verfahren und Aufbau zur Milderung der elektrischen Beanspruchung an Hochspannungsisolatoren in Röntgenröhren | |
| DE2128921C3 (de) | Elektrische Hochvakuum-Entladungsrohre mit mindestens zwei nichtemittierenden Elektroden | |
| DE4014377A1 (de) | Hochfrequenzverstaerker mit langsamwellen-verzoegerungsleitung | |
| DE1900569C3 (de) | Festkörper-Ionenquelle | |
| DE2752881A1 (de) | Wanderwellen-ablenkeinheit | |
| DE2604603A1 (de) | Feldemissionsquelle | |
| EP0360906A1 (de) | Röntgenbildverstärker | |
| DE3014151C2 (de) | Generator für gepulste Elektronenstrahlen | |
| EP0002688B1 (de) | Apparat zur Bestahlung einer Auffangfläche mit Ionen | |
| DE3445706A1 (de) | Widerstand fuer das elektronenstrahlerzeugungssytem einer kathodenstrahlroehre | |
| DE3407197C2 (de) | Kathodenstrahlröhre | |
| DE2237855B2 (de) | Röntgenröhrendrehanode | |
| DE2030747C3 (de) | Beschleunigungsrohr für einen Ladungsträgerstrahl |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |