GB741189A - Improvements in and relating to electron flow devices - Google Patents

Improvements in and relating to electron flow devices

Info

Publication number
GB741189A
GB741189A GB19069/53A GB1906953A GB741189A GB 741189 A GB741189 A GB 741189A GB 19069/53 A GB19069/53 A GB 19069/53A GB 1906953 A GB1906953 A GB 1906953A GB 741189 A GB741189 A GB 741189A
Authority
GB
United Kingdom
Prior art keywords
zirconium
welded
lead
glass
july
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
GB19069/53A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB741189A publication Critical patent/GB741189A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/20—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
    • H01J35/26—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by rotation of the anode or anticathode

Landscapes

  • X-Ray Techniques (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
GB19069/53A 1952-07-19 1953-07-09 Improvements in and relating to electron flow devices Expired GB741189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US741189XA 1952-07-19 1952-07-19

Publications (1)

Publication Number Publication Date
GB741189A true GB741189A (en) 1955-11-30

Family

ID=22117840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19069/53A Expired GB741189A (en) 1952-07-19 1953-07-09 Improvements in and relating to electron flow devices

Country Status (4)

Country Link
DE (1) DE1030937B (enrdf_load_stackoverflow)
FR (1) FR1086413A (enrdf_load_stackoverflow)
GB (1) GB741189A (enrdf_load_stackoverflow)
IT (1) IT508975A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207515B (de) * 1963-01-30 1965-12-23 Tubix Sa Drehanode fuer Roentgenroehren mit einem Belag ausserhalb der ringfoermigen Brennfleckbahn sowie Verfahren zum Herstellen des Belages

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064645B (de) * 1958-04-23 1959-09-03 Licentia Gmbh Entladungsroehre mit Ionen- oder Getterpumpe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB300403A (en) * 1927-10-14 1928-11-15 Philips Nv Improvements relating to thermionic valves or electron discharge tubes
US2430800A (en) * 1943-10-02 1947-11-11 Gen Electric X Ray Corp Rotating anode construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207515B (de) * 1963-01-30 1965-12-23 Tubix Sa Drehanode fuer Roentgenroehren mit einem Belag ausserhalb der ringfoermigen Brennfleckbahn sowie Verfahren zum Herstellen des Belages

Also Published As

Publication number Publication date
FR1086413A (fr) 1955-02-11
DE1030937B (de) 1958-05-29
IT508975A (enrdf_load_stackoverflow)

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