FR2198260B3 - - Google Patents

Info

Publication number
FR2198260B3
FR2198260B3 FR7303952A FR7303952A FR2198260B3 FR 2198260 B3 FR2198260 B3 FR 2198260B3 FR 7303952 A FR7303952 A FR 7303952A FR 7303952 A FR7303952 A FR 7303952A FR 2198260 B3 FR2198260 B3 FR 2198260B3
Authority
FR
France
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
FR7303952A
Other languages
French (fr)
Other versions
FR2198260A1 (ja
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.)
Philips Nuclear Medicine Inc
Original Assignee
Picker Corp
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 Picker Corp filed Critical Picker Corp
Publication of FR2198260A1 publication Critical patent/FR2198260A1/fr
Application granted granted Critical
Publication of FR2198260B3 publication Critical patent/FR2198260B3/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/14Arrangements for concentrating, focusing, or directing the cathode ray
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06Cathodes
    • H01J35/064Details of the emitter, e.g. material or structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06Cathodes
    • H01J35/066Details of electron optical components, e.g. cathode cups
FR7303952A 1972-08-30 1973-02-05 Expired FR2198260B3 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28473572A 1972-08-30 1972-08-30

Publications (2)

Publication Number Publication Date
FR2198260A1 FR2198260A1 (ja) 1974-03-29
FR2198260B3 true FR2198260B3 (ja) 1976-01-30

Family

ID=23091330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7303952A Expired FR2198260B3 (ja) 1972-08-30 1973-02-05

Country Status (6)

Country Link
US (1) US3783323A (ja)
JP (1) JPS4960882A (ja)
CA (1) CA993938A (ja)
DE (1) DE2336408A1 (ja)
FR (1) FR2198260B3 (ja)
NL (1) NL7301331A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658533C2 (de) * 1976-12-23 1987-02-26 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Darstellung von Körperlängsschichten
IL70210A (en) * 1982-11-23 1987-10-20 Elscint Ltd X-ray tube with adjustable focal spot
DE3426623A1 (de) * 1984-07-19 1986-01-30 Scanray A/S, Kopenhagen Roentgenroehre
US6771737B2 (en) * 2001-07-12 2004-08-03 Medtronic Ave, Inc. X-ray catheter with miniature emitter and focusing cup
BR112014028913A2 (pt) * 2012-05-22 2017-06-27 Koninklijke Philips Nv cátodo para um tubo de raios x, tubo de raios x, sistema para imagens de raios x, e método para a montagem de um cátodo para um tubo de raios x
WO2015114917A1 (ja) * 2014-01-29 2015-08-06 株式会社島津製作所 金属電極、それを用いた電子銃、電子管並びにx線管
CN117174556A (zh) * 2019-12-26 2023-12-05 上海联影医疗科技股份有限公司 X射线管、医疗成像设备及x射线管制造方法

Also Published As

Publication number Publication date
US3783323A (en) 1974-01-01
CA993938A (en) 1976-07-27
JPS4960882A (ja) 1974-06-13
DE2336408A1 (de) 1974-03-14
NL7301331A (ja) 1974-03-04
FR2198260A1 (ja) 1974-03-29

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