GB560689A - Improvements in electron beam deflection valves - Google Patents

Improvements in electron beam deflection valves

Info

Publication number
GB560689A
GB560689A GB1090240A GB1090240A GB560689A GB 560689 A GB560689 A GB 560689A GB 1090240 A GB1090240 A GB 1090240A GB 1090240 A GB1090240 A GB 1090240A GB 560689 A GB560689 A GB 560689A
Authority
GB
United Kingdom
Prior art keywords
plates
target
focus
targets
electrode
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
GB1090240A
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.)
AC Cossor Ltd
Original Assignee
AC Cossor 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 AC Cossor Ltd filed Critical AC Cossor Ltd
Priority to GB1090240A priority Critical patent/GB560689A/en
Priority to GB619742A priority patent/GB562914A/en
Priority to GB619542A priority patent/GB562306A/en
Publication of GB560689A publication Critical patent/GB560689A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/78—Tubes with electron stream modulated by deflection in a resonator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0029—Electron beam tubes

Landscapes

  • X-Ray Techniques (AREA)
  • Microwave Tubes (AREA)
  • Electron Beam Exposure (AREA)

Abstract

560,689. Cathode-ray tubes. COSSOR, Ltd., A. C., JOFEH, L., and WILLIAMS, B. C. FLEMING-. June 26, 1940, Nos. 10902/40 and 5927/41. [Class 39 (i)] In electron beam deflection valves, the deflecting plates P1, P2 to which the alternating deflecting potentials are applied, are curved and have applied to them steady biassing potentials to cause the beam to follow the curved path between them. The plates act also to focus the beam, and in the arrangement shown the length of the plates is such as to focus the beam finely on the edge F1 of a target electrode T1 followed by a collector target T2. The target electrodes are preferably of U-shape to suppress secondary emission, and the sides of the target T1 are inclined away from the path of the beam. Axial adjustment of the focus of the beam is provided by an electrode S, whose primary purpose is to prevent secondary emission from the targets reaching the deflector plates. In an alternative arrangement, the output may be taken from plates, similarly shaped and disposed on each side of the beam, in conjunction with a pair of targets to supply another output circuit. The plates may be subdivided with additional focussing devices between the sections. The beam is preferably of ribbon form generated by a part cylindrical cathode C, shield G and slit anode A.
GB1090240A 1940-06-26 1940-06-26 Improvements in electron beam deflection valves Expired GB560689A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1090240A GB560689A (en) 1940-06-26 1940-06-26 Improvements in electron beam deflection valves
GB619742A GB562914A (en) 1940-06-26 1941-05-07 Improvements relating to electron beam deflection valves and circuits therefor
GB619542A GB562306A (en) 1940-06-26 1941-05-07 Improvements in electron beam deflection valves and circuits therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1090240A GB560689A (en) 1940-06-26 1940-06-26 Improvements in electron beam deflection valves

Publications (1)

Publication Number Publication Date
GB560689A true GB560689A (en) 1944-04-17

Family

ID=9976389

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1090240A Expired GB560689A (en) 1940-06-26 1940-06-26 Improvements in electron beam deflection valves
GB619542A Expired GB562306A (en) 1940-06-26 1941-05-07 Improvements in electron beam deflection valves and circuits therefor
GB619742A Expired GB562914A (en) 1940-06-26 1941-05-07 Improvements relating to electron beam deflection valves and circuits therefor

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB619542A Expired GB562306A (en) 1940-06-26 1941-05-07 Improvements in electron beam deflection valves and circuits therefor
GB619742A Expired GB562914A (en) 1940-06-26 1941-05-07 Improvements relating to electron beam deflection valves and circuits therefor

Country Status (1)

Country Link
GB (3) GB560689A (en)

Also Published As

Publication number Publication date
GB562306A (en) 1944-06-27
GB562914A (en) 1944-07-21

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