GB262069A - Means for producing high vacuum - Google Patents

Means for producing high vacuum

Info

Publication number
GB262069A
GB262069A GB26869/26A GB2686926A GB262069A GB 262069 A GB262069 A GB 262069A GB 26869/26 A GB26869/26 A GB 26869/26A GB 2686926 A GB2686926 A GB 2686926A GB 262069 A GB262069 A GB 262069A
Authority
GB
United Kingdom
Prior art keywords
calcium
tube
high vacuum
rod
producing high
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
GB26869/26A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB262069A publication Critical patent/GB262069A/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

Landscapes

  • Muffle Furnaces And Rotary Kilns (AREA)
GB26869/26A 1925-11-27 1926-10-27 Means for producing high vacuum Expired GB262069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US262069XA 1925-11-27 1925-11-27

Publications (1)

Publication Number Publication Date
GB262069A true GB262069A (en) 1927-06-02

Family

ID=21830475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26869/26A Expired GB262069A (en) 1925-11-27 1926-10-27 Means for producing high vacuum

Country Status (3)

Country Link
BE (1) BE338051A (enrdf_load_stackoverflow)
FR (1) FR624574A (enrdf_load_stackoverflow)
GB (1) GB262069A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739389C (de) * 1936-01-26 1943-09-24 Siemens Ag Anordnung zur Verdampfung eines Getterstoffes aus einem von aussen her zu beheizenden, in das Innere eines Entladungsgefaesses muendenden Rohr
US2850225A (en) * 1955-11-10 1958-09-02 Wisconsin Alumni Res Found Pump
WO2008099256A1 (en) 2007-02-16 2008-08-21 Saes Getters S.P.A. Air-stable alkali or alkaline-earth metal dispensers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739389C (de) * 1936-01-26 1943-09-24 Siemens Ag Anordnung zur Verdampfung eines Getterstoffes aus einem von aussen her zu beheizenden, in das Innere eines Entladungsgefaesses muendenden Rohr
US2850225A (en) * 1955-11-10 1958-09-02 Wisconsin Alumni Res Found Pump
WO2008099256A1 (en) 2007-02-16 2008-08-21 Saes Getters S.P.A. Air-stable alkali or alkaline-earth metal dispensers
JP2010519017A (ja) * 2007-02-16 2010-06-03 サエス ゲッターズ ソチエタ ペル アツィオニ 空気中で安定なアルカリまたはアルカリ土類金属供給装置
CN101611465B (zh) * 2007-02-16 2015-04-29 工程吸气公司 空气稳定的碱金属或碱土金属释放体
US10109446B2 (en) 2007-02-16 2018-10-23 Saes Getters S.P.A. Air-stable alkali or alkaline-earth metal dispensers

Also Published As

Publication number Publication date
FR624574A (fr) 1927-07-21
BE338051A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB262069A (en) Means for producing high vacuum
GB209384A (en) Improvements in the manufacture of electric incandescent lamps or the like
US2710270A (en) Coated filaments and their production
US1689297A (en) Vacuum device and method of exhausting same
US1688489A (en) Vacuum tube
US1843728A (en) Photo-electric tube
GB723384A (en) Improvements in or relating to electric discharge tubes
GB313010A (en) Improvements in and relating to incandescent electric lamps
US2187234A (en) Process of producing a photoelectric tube
GB377554A (en) Improvements in or relating to incandescent electric lamps
GB439243A (en) An improved method of evacuating vessels, more particularly lamp bulbs
GB256975A (en) Process of making vacuum tubes
US1839408A (en) Positive column conduction tube
GB356407A (en) Improvements in or relating to electric discharge tubes
SU62108A1 (ru) Геттер дл электрических ламп накаливани
GB214455A (en) Improvements in electric discharge tubes
GB246860A (en) Improvements relating to the manufacture of metals of the cerium group of rare earthmetals in the form of thin regular pieces
GB274507A (en) High emission thermionic valve
GB243200A (en) Improvements in electron discharge devices
GB307099A (en) Improvements in the manufacture of electron-emitting bodies
GB264183A (en) Improvements in or relating to "getters" for absorbing residual gases in an exhausted envelope
GB400263A (en) Improvements in and relating to cut-outs for series connected electric lamps or the like
GB251406A (en) Improvements in and relating to thermionic valves
GB365303A (en) Electron tube with incandescent cathode
GB362086A (en) Improvements in or relating to electron tubes