GB700055A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB700055A
GB700055A GB3011/52A GB301152A GB700055A GB 700055 A GB700055 A GB 700055A GB 3011/52 A GB3011/52 A GB 3011/52A GB 301152 A GB301152 A GB 301152A GB 700055 A GB700055 A GB 700055A
Authority
GB
United Kingdom
Prior art keywords
anode
closed
zirconium
plate
relating
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
GB3011/52A
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 Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB700055A publication Critical patent/GB700055A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/186—Getter supports
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/32—Anodes
    • H01J19/34—Anodes forming part of the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
    • H01J2893/0003—Anodes forming part of vessel walls

Landscapes

  • Discharge Lamp (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

700,055. Discharge apparatus. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Feb. 5, 1952 [Feb. 8, 1951], No. 3011/52. Class 39(1) In a discharge tube having an anode forming part of the envelope and closed at one end, a zirconium getter is arranged in satisfactory thermal contact on the closed end of the anode and the grid is also closed at the end opposite the getter. In manufacturing the transmitting triode shown in the Figure the zirconium plate 5 is degassed in a separate bulb at 1600‹ and after it has been saturated with hydrogen it is secured to the anode by a nut. Together with the anode the plate is heated in vacuo at temperature of 600‹-700‹C, the hydrogen then being driven out and the zirconium plate being activated.
GB3011/52A 1951-02-08 1952-02-05 Improvements in or relating to electric discharge tubes Expired GB700055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL298666X 1951-02-08

Publications (1)

Publication Number Publication Date
GB700055A true GB700055A (en) 1953-11-25

Family

ID=19783118

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3011/52A Expired GB700055A (en) 1951-02-08 1952-02-05 Improvements in or relating to electric discharge tubes

Country Status (4)

Country Link
CH (1) CH298666A (en)
DE (1) DE1697563U (en)
FR (1) FR1050569A (en)
GB (1) GB700055A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1094376B (en) * 1957-05-31 1960-12-08 Gen Electric Process for creating a vacuum inside a sealable cover, e.g. a cover of an electric discharge tube

Also Published As

Publication number Publication date
CH298666A (en) 1954-05-15
DE1697563U (en) 1955-04-28
FR1050569A (en) 1954-01-08

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