GB568259A - Improvements in and relating to evacuated electronic apparatus - Google Patents

Improvements in and relating to evacuated electronic apparatus

Info

Publication number
GB568259A
GB568259A GB13226/42A GB1322642A GB568259A GB 568259 A GB568259 A GB 568259A GB 13226/42 A GB13226/42 A GB 13226/42A GB 1322642 A GB1322642 A GB 1322642A GB 568259 A GB568259 A GB 568259A
Authority
GB
United Kingdom
Prior art keywords
members
electronic apparatus
sept
diaphragm
rest
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
Application number
GB13226/42A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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.)
Filing date
Publication date
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB568259A publication Critical patent/GB568259A/en
Expired legal-status Critical Current

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
    • H01J37/20—Means for supporting or positioning the object 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
    • H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Microscoopes, Condenser (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
GB13226/42A 1941-09-19 1942-09-18 Improvements in and relating to evacuated electronic apparatus Expired GB568259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US411515A US2292087A (en) 1941-09-19 1941-09-19 Evacuated electronic apparatus

Publications (1)

Publication Number Publication Date
GB568259A true GB568259A (en) 1945-03-27

Family

ID=23629249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13226/42A Expired GB568259A (en) 1941-09-19 1942-09-18 Improvements in and relating to evacuated electronic apparatus

Country Status (4)

Country Link
US (1) US2292087A (enrdf_load_html_response)
BE (1) BE475636A (enrdf_load_html_response)
FR (1) FR945685A (enrdf_load_html_response)
GB (1) GB568259A (enrdf_load_html_response)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE474126A (enrdf_load_html_response) * 1942-12-01
FR944238A (fr) * 1947-03-13 1949-03-30 Csf Méthode de correction des optiques électroniques
FR937296A (fr) * 1947-06-21 1948-08-12 Csf Perfectionnements aux dispositifs de mise au point, pour microscope électronique
US2585297A (en) * 1949-05-23 1952-02-12 Rupert Diecasting Company Aluminum die-casting machine
NL197896A (enrdf_load_html_response) * 1955-05-20
IT584331A (enrdf_load_html_response) * 1955-10-29
CH357378A (de) * 1956-04-02 1961-10-15 Berghaus Elektrophysik Anst Verfahren und Einrichtung zur Durchführung technischer Prozesse
US2878387A (en) * 1956-09-10 1959-03-17 Alfred W Chesterman Beam control probe
US2946886A (en) * 1956-10-19 1960-07-26 Jersey Prod Res Co Adjustable ion collector slit for mass spectrometer
US3135889A (en) * 1962-05-22 1964-06-02 Jack A Soules Protected window x-ray tube
US3470412A (en) * 1962-06-13 1969-09-30 Shimadzu Corp Apparatus for exchanging the filament of an electron gun
US3479544A (en) * 1963-12-11 1969-11-18 Stromberg Datagraphix Inc Cathode-ray tube with a removable face for space vehicles
US3449759A (en) * 1967-02-27 1969-06-10 Minnesota Mining & Mfg Electron beam recorder having sealing means
US3886358A (en) * 1974-05-23 1975-05-27 Us Energy Specimen transfer container for ion microprobe mass analyzer
JPS5937540B2 (ja) * 1974-09-06 1984-09-10 株式会社日立製作所 電界放射形走査電子顕微鏡
FR2410359A1 (fr) * 1977-11-28 1979-06-22 Anvar Electrode d'extraction mobile pour source d'ions
DE3407050A1 (de) * 1984-02-27 1985-09-05 Siemens AG, 1000 Berlin und 8000 München Korpuskelbeschleunigende elektrode
US5376799A (en) * 1993-04-26 1994-12-27 Rj Lee Group, Inc. Turbo-pumped scanning electron microscope
US8087309B2 (en) * 2009-05-22 2012-01-03 Sion Power Corporation Hermetic sample holder and method for performing microanalysis under controlled atmosphere environment

Also Published As

Publication number Publication date
FR945685A (fr) 1949-05-11
BE475636A (enrdf_load_html_response)
US2292087A (en) 1942-08-04

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