NL7209611A - - Google Patents

Info

Publication number
NL7209611A
NL7209611A NL7209611A NL7209611A NL7209611A NL 7209611 A NL7209611 A NL 7209611A NL 7209611 A NL7209611 A NL 7209611A NL 7209611 A NL7209611 A NL 7209611A NL 7209611 A NL7209611 A NL 7209611A
Authority
NL
Netherlands
Application number
NL7209611A
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 filed Critical
Publication of NL7209611A publication Critical patent/NL7209611A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/066—Details of electron optical components, e.g. cathode cups
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/06—Cathode assembly
    • H01J2235/068—Multi-cathode assembly
NL7209611A 1972-02-24 1972-07-12 NL7209611A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22913672A 1972-02-24 1972-02-24

Publications (1)

Publication Number Publication Date
NL7209611A true NL7209611A (enrdf_load_html_response) 1973-08-28

Family

ID=22859964

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7209611A NL7209611A (enrdf_load_html_response) 1972-02-24 1972-07-12

Country Status (6)

Country Link
US (1) US3783333A (enrdf_load_html_response)
JP (1) JPS48100087A (enrdf_load_html_response)
CA (1) CA959108A (enrdf_load_html_response)
DE (1) DE2231970A1 (enrdf_load_html_response)
FR (1) FR2172949B1 (enrdf_load_html_response)
NL (1) NL7209611A (enrdf_load_html_response)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104526A (en) * 1973-04-24 1978-08-01 Albert Richard D Grid-cathode controlled X-ray tube
DE3008304A1 (de) * 1980-03-04 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Roentgenroehre mit zwei kathodenwendeln
US4689809A (en) * 1982-11-23 1987-08-25 Elscint, Inc. X-ray tube having an adjustable focal spot
US4685118A (en) * 1983-11-10 1987-08-04 Picker International, Inc. X-ray tube electron beam switching and biasing method and apparatus
US4764947A (en) * 1985-12-04 1988-08-16 The Machlett Laboratories, Incorporated Cathode focusing arrangement
US5007074A (en) * 1989-07-25 1991-04-09 Picker International, Inc. X-ray tube anode focusing by low voltage bias
DE4230880A1 (de) * 1992-09-16 1994-03-17 Philips Patentverwaltung Röntgengenerator zur Speisung einer Röntgenröhre mit wenigstens zwei Elektronenquellen
US5511105A (en) * 1993-07-12 1996-04-23 Siemens Aktiengesellschaft X-ray tube with multiple differently sized focal spots and method for operating same
DE19504305A1 (de) * 1995-02-09 1996-08-14 Siemens Ag Röntgenröhre
US5844963A (en) * 1997-08-28 1998-12-01 Varian Associates, Inc. Electron beam superimposition method and apparatus
US6438207B1 (en) 1999-09-14 2002-08-20 Varian Medical Systems, Inc. X-ray tube having improved focal spot control
US7257194B2 (en) * 2004-02-09 2007-08-14 Varian Medical Systems Technologies, Inc. Cathode head with focal spot control
US9524845B2 (en) 2012-01-18 2016-12-20 Varian Medical Systems, Inc. X-ray tube cathode with magnetic electron beam steering
JP6638966B2 (ja) * 2016-06-20 2020-02-05 キヤノン電子管デバイス株式会社 Ｘ線管
JP6951027B2 (ja) * 2017-08-14 2021-10-20 キヤノン電子管デバイス株式会社 Ｘ線管

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB232159A (en) * 1924-04-11 1925-10-08 Huth Erich F Gmbh Improvements in and relating to thermionic tubes
US3018398A (en) * 1958-10-27 1962-01-23 Dunlee Corp X-ray generator
US3178578A (en) * 1961-03-03 1965-04-13 High Voltage Engineering Corp Electron pulser for an x-ray tube to produce a pulsed beam of x-rays
US3250916A (en) * 1963-06-14 1966-05-10 Machlett Lab Inc Stereo x-ray device
US3433955A (en) * 1966-09-26 1969-03-18 Picker Corp X-ray generator with emission control arrangement within the focusing cup
US3549931A (en) * 1968-12-04 1970-12-22 Torr Lab Inc X-ray transmissive window assembly
US3665236A (en) * 1970-12-09 1972-05-23 Atomic Energy Commission Electrode structure for controlling electron flow with high transmission efficiency
US3660712A (en) * 1970-12-09 1972-05-02 Atomic Energy Commission Electrode structure for controlling electron flow with high transmission efficiency

Also Published As

Publication number Publication date
FR2172949B1 (enrdf_load_html_response) 1976-05-21
US3783333A (en) 1974-01-01
CA959108A (en) 1974-12-10
DE2231970A1 (de) 1973-08-30
JPS48100087A (enrdf_load_html_response) 1973-12-18
FR2172949A1 (enrdf_load_html_response) 1973-10-05

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