GB1159333A - Improvements in and relating to Pumping Devices for Producing and Maintaining a Vacuum - Google Patents

Improvements in and relating to Pumping Devices for Producing and Maintaining a Vacuum

Info

Publication number
GB1159333A
GB1159333A GB416167A GB416167A GB1159333A GB 1159333 A GB1159333 A GB 1159333A GB 416167 A GB416167 A GB 416167A GB 416167 A GB416167 A GB 416167A GB 1159333 A GB1159333 A GB 1159333A
Authority
GB
United Kingdom
Prior art keywords
vessel
vacuum
wires
cooling
heating
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
GB416167A
Other languages
English (en)
Inventor
Marcel Matricon
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.)
VIDE SOC GEN DU
GENERALE DU VIDE Ste
Original Assignee
VIDE SOC GEN DU
GENERALE DU VIDE Ste
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 VIDE SOC GEN DU, GENERALE DU VIDE Ste filed Critical VIDE SOC GEN DU
Publication of GB1159333A publication Critical patent/GB1159333A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
    • 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

Landscapes

  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
GB416167A 1966-01-28 1967-01-27 Improvements in and relating to Pumping Devices for Producing and Maintaining a Vacuum Expired GB1159333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR47568A FR1478404A (fr) 1966-01-28 1966-01-28 Perfectionnements aux dispositifs de pompage

Publications (1)

Publication Number Publication Date
GB1159333A true GB1159333A (en) 1969-07-23

Family

ID=8599969

Family Applications (1)

Application Number Title Priority Date Filing Date
GB416167A Expired GB1159333A (en) 1966-01-28 1967-01-27 Improvements in and relating to Pumping Devices for Producing and Maintaining a Vacuum

Country Status (5)

Country Link
BE (1) BE693018A (enrdf_load_stackoverflow)
DE (1) DE1628447A1 (enrdf_load_stackoverflow)
FR (1) FR1478404A (enrdf_load_stackoverflow)
GB (1) GB1159333A (enrdf_load_stackoverflow)
NL (1) NL6701312A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR1478404A (fr) 1967-04-28
DE1628447A1 (de) 1971-08-19
BE693018A (enrdf_load_stackoverflow) 1967-07-24
NL6701312A (enrdf_load_stackoverflow) 1967-07-31

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees