GB736894A - Improvements in vacuum seals - Google Patents

Improvements in vacuum seals

Info

Publication number
GB736894A
GB736894A GB906053A GB906053A GB736894A GB 736894 A GB736894 A GB 736894A GB 906053 A GB906053 A GB 906053A GB 906053 A GB906053 A GB 906053A GB 736894 A GB736894 A GB 736894A
Authority
GB
United Kingdom
Prior art keywords
plate
aperture
chamber
cathode
rods
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
GB906053A
Other languages
English (en)
Inventor
Maurice Gordon Kelliher
Thomas Raymond Chippendale
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.)
Mullard Radio Valve Co Ltd
Original Assignee
Mullard Radio 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
Priority to BE527538D priority Critical patent/BE527538A/xx
Application filed by Mullard Radio Valve Co Ltd filed Critical Mullard Radio Valve Co Ltd
Priority to GB906053A priority patent/GB736894A/en
Priority to DE1954N0004069 priority patent/DE1700725U/de
Priority to FR1097778D priority patent/FR1097778A/fr
Publication of GB736894A publication Critical patent/GB736894A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Sliding Valves (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Surgical Instruments (AREA)
GB906053A 1953-04-01 1953-04-01 Improvements in vacuum seals Expired GB736894A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE527538D BE527538A (en:Method) 1953-04-01
GB906053A GB736894A (en) 1953-04-01 1953-04-01 Improvements in vacuum seals
DE1954N0004069 DE1700725U (de) 1953-04-01 1954-03-29 Vorrichtung zum luftdichten verschliessen einer oeffnung in der trennwand zwischen zwei teilen eines vakuumgefaesses.
FR1097778D FR1097778A (fr) 1953-04-01 1954-03-30 Dispositif de fermeture hermétique d'une ouverture ménagée dans la paroi de séparation d'un récipient à vide en deux compartiments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB906053A GB736894A (en) 1953-04-01 1953-04-01 Improvements in vacuum seals

Publications (1)

Publication Number Publication Date
GB736894A true GB736894A (en) 1955-09-14

Family

ID=9864615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB906053A Expired GB736894A (en) 1953-04-01 1953-04-01 Improvements in vacuum seals

Country Status (4)

Country Link
BE (1) BE527538A (en:Method)
DE (1) DE1700725U (en:Method)
FR (1) FR1097778A (en:Method)
GB (1) GB736894A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058232A (en) * 1960-01-20 1962-10-16 Nat Res Corp High vacuum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058232A (en) * 1960-01-20 1962-10-16 Nat Res Corp High vacuum

Also Published As

Publication number Publication date
DE1700725U (de) 1955-06-16
BE527538A (en:Method)
FR1097778A (fr) 1955-07-11

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