NL159526B - Elektronenkanon. - Google Patents
Elektronenkanon.Info
- Publication number
- NL159526B NL159526B NL6714182.A NL6714182A NL159526B NL 159526 B NL159526 B NL 159526B NL 6714182 A NL6714182 A NL 6714182A NL 159526 B NL159526 B NL 159526B
- Authority
- NL
- Netherlands
- Prior art keywords
- electron gun
- gun
- electron
- Prior art date
Links
Classifications
-
- 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
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/04—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
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/065—Construction of guns or parts thereof
-
- 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, ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/07—Eliminating deleterious effects due to thermal effects or electric or magnetic fields
-
- 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, 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
- 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, ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/075—Electron guns using thermionic emission from cathodes heated by particle bombardment or by irradiation, e.g. by laser
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electron Sources, Ion Sources (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58910466A | 1966-10-24 | 1966-10-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6714182A NL6714182A (nl) | 1968-04-25 |
NL159526B true NL159526B (nl) | 1979-02-15 |
Family
ID=24356607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6714182.A NL159526B (nl) | 1966-10-24 | 1967-10-19 | Elektronenkanon. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3462635A (nl) |
BE (1) | BE703101A (nl) |
CH (1) | CH455947A (nl) |
FR (1) | FR1538797A (nl) |
GB (1) | GB1150516A (nl) |
NL (1) | NL159526B (nl) |
SE (1) | SE319840B (nl) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1291221A (en) * | 1968-07-07 | 1972-10-04 | Smith Kenneth C A | Electron probe forming system |
US3621324A (en) * | 1968-11-05 | 1971-11-16 | Westinghouse Electric Corp | High-power cathode |
US3631290A (en) * | 1970-08-17 | 1971-12-28 | Ibm | Thermionic cathode for electron beam apparatus |
US3727093A (en) * | 1971-01-20 | 1973-04-10 | Westinghouse Electric Corp | Electron beam apparatus |
NL7101954A (nl) * | 1971-02-13 | 1972-08-15 | ||
US4055780A (en) * | 1975-04-10 | 1977-10-25 | National Institute For Researches In Inorganic Materials | Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride |
US4054946A (en) * | 1976-09-28 | 1977-10-18 | Bell Telephone Laboratories, Incorporated | Electron source of a single crystal of lanthanum hexaboride emitting surface of (110) crystal plane |
EP2264738B1 (en) * | 2009-06-18 | 2017-12-06 | Carl Zeiss NTS Ltd. | Electron gun used in a particle beam device |
CN110400731A (zh) * | 2018-04-24 | 2019-11-01 | 大连纳晶科技有限公司 | 空心阴极旁热式六硼化镧电子束枪 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1334312A (fr) * | 1960-06-14 | 1963-08-09 | Lignes Telegraph Telephon | Perfectionnements aux tubes électroniques du type magnétron |
US3221203A (en) * | 1962-06-01 | 1965-11-30 | Rca Corp | Sintered metal conductor support |
US3312856A (en) * | 1963-03-26 | 1967-04-04 | Gen Electric | Rhenium supported metallic boride cathode emitters |
-
1966
- 1966-10-24 US US589104A patent/US3462635A/en not_active Expired - Lifetime
-
1967
- 1967-08-25 BE BE703101D patent/BE703101A/xx unknown
- 1967-09-06 FR FR8692A patent/FR1538797A/fr not_active Expired
- 1967-09-21 GB GB43027/67A patent/GB1150516A/en not_active Expired
- 1967-10-19 NL NL6714182.A patent/NL159526B/nl not_active IP Right Cessation
- 1967-10-24 CH CH1494667A patent/CH455947A/de unknown
- 1967-10-24 SE SE14558/67A patent/SE319840B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1589974A1 (de) | 1970-05-21 |
NL6714182A (nl) | 1968-04-25 |
SE319840B (nl) | 1970-01-26 |
US3462635A (en) | 1969-08-19 |
DE1589974B2 (de) | 1975-07-17 |
CH455947A (de) | 1968-05-15 |
BE703101A (nl) | 1968-01-15 |
GB1150516A (en) | 1969-04-30 |
FR1538797A (fr) | 1968-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: I B M |