GB1294604A - Improvements in or relating to evacuated electron discharge tubes - Google Patents

Improvements in or relating to evacuated electron discharge tubes

Info

Publication number
GB1294604A
GB1294604A GB23619/70D GB2361970D GB1294604A GB 1294604 A GB1294604 A GB 1294604A GB 23619/70 D GB23619/70 D GB 23619/70D GB 2361970 D GB2361970 D GB 2361970D GB 1294604 A GB1294604 A GB 1294604A
Authority
GB
United Kingdom
Prior art keywords
pin
anode
electron discharge
supporting
tube
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
GB23619/70D
Other languages
English (en)
Inventor
Jonathan Ross Howorth
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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve Co 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Priority claimed from GB2361972A external-priority patent/GB1313829A/en
Publication of GB1294604A publication Critical patent/GB1294604A/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
    • 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
    • H01J41/18—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
    • H01J41/20—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes using gettering substances

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Electron Tubes For Measurement (AREA)
GB23619/70D 1970-05-15 1970-05-15 Improvements in or relating to evacuated electron discharge tubes Expired GB1294604A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2361972A GB1313829A (en) 1969-09-18 1970-05-15 Transistors and aproduction thereof

Publications (1)

Publication Number Publication Date
GB1294604A true GB1294604A (en) 1972-11-01

Family

ID=10198589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23619/70D Expired GB1294604A (en) 1970-05-15 1970-05-15 Improvements in or relating to evacuated electron discharge tubes

Country Status (4)

Country Link
US (1) US3786296A (enExample)
DE (1) DE2124167B2 (enExample)
FR (1) FR2091704A5 (enExample)
GB (1) GB1294604A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338938A (en) * 1993-04-09 1994-08-16 Martin Marietta Energy Systems, Inc. Gamma radiation field intensity meter
ITMI20012389A1 (it) * 2001-11-12 2003-05-12 Getters Spa Catodo cavo con getter integrato per lampade a scarica e metodi per la sua realizzazione
JP4475646B2 (ja) * 2004-08-27 2010-06-09 キヤノン株式会社 画像表示装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715993A (en) * 1952-06-06 1955-08-23 W M Welch Mfg Company Ionization pump

Also Published As

Publication number Publication date
US3786296A (en) 1974-01-15
FR2091704A5 (enExample) 1972-01-14
DE2124167B2 (de) 1973-07-26
DE2124167A1 (de) 1971-11-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees