BE483238A - - Google Patents

Info

Publication number
BE483238A
BE483238A BE483238DA BE483238A BE 483238 A BE483238 A BE 483238A BE 483238D A BE483238D A BE 483238DA BE 483238 A BE483238 A BE 483238A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE483238A publication Critical patent/BE483238A/xx
Priority claimed from US537273A external-priority patent/US2420514A/en

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
    • H01J37/02—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
    • H01J37/067—Replacing parts of guns; Mutual adjustment of electrodes
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
    • 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
    • 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
    • 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
    • H01J37/10—Lenses
    • H01J37/12—Lenses electrostatic
    • 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
    • H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel
    • 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
    • H01J37/20—Means for supporting or positioning the objects or the material; Means for adjusting diaphragms or lenses associated with the support
    • 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
    • H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
BE483238D 1942-12-01 BE483238A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US467530A US2424788A (en) 1942-12-01 1942-12-01 Electron microscope
US507557A US2400331A (en) 1942-12-01 1943-10-25 Electron lens system
US519772A US2424789A (en) 1942-12-01 1944-01-26 Electron microscope
US519774A US2424791A (en) 1942-12-01 1944-01-26 Electron microscope apparatus
US519773A US2424790A (en) 1942-12-01 1944-01-26 Electron microscope
US537273A US2420514A (en) 1944-05-25 1944-05-25 Electron lens structure

Publications (1)

Publication Number Publication Date
BE483238A true BE483238A (en)

Family

ID=32180838

Family Applications (4)

Application Number Title Priority Date Filing Date
BE480179D BE480179A (en) 1942-12-01
BE474126D BE474126A (en) 1942-12-01
BE576003D BE576003A (en) 1942-12-01
BE483238D BE483238A (en) 1942-12-01

Family Applications Before (3)

Application Number Title Priority Date Filing Date
BE480179D BE480179A (en) 1942-12-01
BE474126D BE474126A (en) 1942-12-01
BE576003D BE576003A (en) 1942-12-01

Country Status (4)

Country Link
US (5) US2424788A (en)
BE (4) BE483238A (en)
FR (3) FR938893A (en)
GB (3) GB576003A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734141A (en) * 1956-02-07 hughes
FR1001312A (en) * 1946-04-15 1952-02-22 Csf Vacuum adjustment and centering device of a wehnelt cathode filament
CH265966A (en) * 1946-10-04 1949-12-31 Csf Sealed disc electronic discharge tube comprising an axially adjustable emissive cathode.
FR937296A (en) * 1947-06-21 1948-08-12 Csf Improvements to focusing devices, for electron microscopes
US2628996A (en) * 1949-01-21 1953-02-17 Western Electric Co Extensible folded terminal for electrical coils
US2817035A (en) * 1954-04-26 1957-12-17 Hughes Aircraft Co Brillouin flow electron gun
US2877286A (en) * 1955-06-13 1959-03-10 Cs 13 Corp Radiant energy shielding device
NL95319C (en) * 1957-09-27
US3292041A (en) * 1962-07-02 1966-12-13 Hitachi Ltd Multistage type high voltage electron gun with controllable electrode spacing
US3182175A (en) * 1962-09-24 1965-05-04 Nat Res Corp Electron beam heating device
US3614422A (en) * 1969-08-01 1971-10-19 Hitachi Ltd Surge reduction resistors between a high-voltage source and an electron microscope electron gun
US3982058A (en) * 1975-05-13 1976-09-21 The United States Of America As Represented By The Secretary Of The Navy Magnetic and electric field shielding of computer components from lightning
US3961220A (en) * 1975-05-16 1976-06-01 Gte Sylvania Incorporated Snubber means for positioning a gun structure in an electron discharge device
FR2417179A1 (en) * 1978-02-08 1979-09-07 Hitachi Ltd ELECTRONIC CANNON WITH FIELD EMISSION
US4196371A (en) * 1978-04-05 1980-04-01 Tektronix, Inc. Shock-absorbing means for mesh-carrying member of a cathode ray tube
US4359664A (en) * 1980-07-02 1982-11-16 North American Philips Consumer Electronics Corp. Method of mounting a cathode and eyelet for use therewith
US4446374A (en) * 1982-01-04 1984-05-01 Ivanov Andrei S Electron beam accelerator
US5376792A (en) * 1993-04-26 1994-12-27 Rj Lee Group, Inc. Scanning electron microscope
US20070145267A1 (en) * 2005-12-12 2007-06-28 Adler David L Portable scanning electron microscope
WO2007070475A2 (en) * 2005-12-12 2007-06-21 Kla-Tencor Technologies Corporation Scanning electron microscope with crt-type electron optics
US20070145266A1 (en) * 2005-12-12 2007-06-28 Avi Cohen Electron microscope apparatus using CRT-type optics
WO2011112614A2 (en) * 2010-03-08 2011-09-15 Microscopy Innovations, Llc Device for holding electron microscope grids and other materials
JP6573835B2 (en) * 2016-01-12 2019-09-11 株式会社荏原製作所 Inspection apparatus and high-pressure reference pipe manufacturing method

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132076A (en) * 1938-10-04 Fluos
US1419241A (en) * 1922-06-13 X-ray cabinet
US1836829A (en) * 1928-04-17 1931-12-15 Bell Telephone Labor Inc Electric discharge device
US2227189A (en) * 1928-12-12 1940-12-31 Rca Corp Cathode-ray oscillograph
US2036532A (en) * 1928-12-12 1936-04-07 Knoll Cathode-ray-oscillograph
DE906737C (en) * 1931-05-31 1954-03-18 Siemens Ag Arrangement for enlarged imaging of objects by means of electron beams
US2062243A (en) * 1931-12-24 1936-11-24 New York Central Railroad Co Auto boxcar
US2075141A (en) * 1932-03-24 1937-03-30 Schlesinger Kurt Cathode ray tube system
US2227033A (en) * 1932-04-04 1940-12-31 Loewe Radio Inc Electron optical system
US2147372A (en) * 1935-03-14 1939-02-14 Telefunken Gmbh Cathode ray tube
BE426509A (en) * 1937-02-22
GB493790A (en) * 1937-04-30 1938-10-14 British Thomson Houston Co Ltd Improvements in or relating to cathode ray devices
NL53220C (en) * 1937-07-07
NL54222C (en) * 1937-08-24
US2227034A (en) * 1937-08-30 1940-12-31 Loewe Radio Inc Cathode ray tube
US2200694A (en) * 1937-09-21 1940-05-14 Pintsch Julius Kg Annular fusion joint
US2234281A (en) * 1938-02-10 1941-03-11 Fides Gmbh Shielded electron microscope
US2218639A (en) * 1938-07-09 1940-10-22 Dill Mfg Co Air bag stem
US2208406A (en) * 1938-08-17 1940-07-16 Westinghouse Electric & Mfg Co Cathode ray tube
US2266717A (en) * 1938-09-16 1941-12-16 Fides Gmbh Electron microscope
NL56051C (en) * 1938-10-19
US2305459A (en) * 1938-11-11 1942-12-15 Schuchmann Hans Electronic microscope
FR849698A (en) * 1938-11-19 1939-11-29 Licentia Gmbh Electron microscope operated by an influence machine
FR849648A (en) * 1938-11-19 1939-11-28 Licentia Gmbh Electron microscope based on the optical ultramicroscope principle
US2344238A (en) * 1939-01-19 1944-03-14 Rca Corp Compressed fluid condenser
BE436784A (en) * 1939-01-26
US2200095A (en) * 1939-02-28 1940-05-07 Rca Corp Photographic device for vacuum apparatus
BE438468A (en) * 1939-05-08
US2356633A (en) * 1939-10-19 1944-08-22 Ardenne Manfred Von Electronic microscope
US2244358A (en) * 1939-12-30 1941-06-03 Rca Corp Thermionic cathode assembly
US2301303A (en) * 1940-02-17 1942-11-10 Rca Corp Shielded electronic microscope
US2275234A (en) * 1940-04-25 1942-03-03 Rca Corp Electron diffraction camera
BE440927A (en) * 1940-05-08
US2361722A (en) * 1940-05-09 1944-10-31 Ardenne Manfred Von Electronic microscope
US2284710A (en) * 1940-06-01 1942-06-02 Rca Corp Vacuum plumbing
US2301490A (en) * 1940-06-25 1942-11-10 Bell Telephone Labor Inc Electronic discharge device
US2272843A (en) * 1940-07-31 1942-02-10 Rca Corp Electron microscope specimen chamber
US2267082A (en) * 1941-01-18 1941-12-23 Westinghouse Electric & Mfg Co Grid lead assembly
US2303166A (en) * 1941-01-21 1942-11-24 Bell Telephone Labor Inc Electron discharge device
US2319061A (en) * 1941-01-31 1943-05-11 Rca Corp Demountable electron gun
US2362034A (en) * 1941-06-25 1944-11-07 William F Stahl Shield for electrical currents
US2277414A (en) * 1941-07-02 1942-03-24 Gen Electric Electron lens
BE477138A (en) * 1941-08-18
BE475636A (en) * 1941-09-19
US2330888A (en) * 1942-05-29 1943-10-05 Rca Corp Scanning microscope
US2347348A (en) * 1942-06-30 1944-04-25 Rca Corp Electron microscope object chamber
US2380209A (en) * 1942-12-11 1945-07-10 Gen Electric Positioning means
US2360872A (en) * 1943-09-25 1944-10-24 Rca Corp Electron optical instrument

Also Published As

Publication number Publication date
US2424788A (en) 1947-07-29
GB647703A (en) 1950-12-20
GB669381A (en) 1952-04-02
US2424790A (en) 1947-07-29
FR938893A (en) 1948-10-27
BE474126A (en)
US2424791A (en) 1947-07-29
FR964837A (en) 1950-08-25
GB576003A (en) 1946-03-14
BE480179A (en)
BE576003A (en)
FR58024E (en) 1953-09-21
US2400331A (en) 1946-05-14
US2424789A (en) 1947-07-29

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