FR1550108A - - Google Patents

Info

Publication number
FR1550108A
FR1550108A FR1550108DA FR1550108A FR 1550108 A FR1550108 A FR 1550108A FR 1550108D A FR1550108D A FR 1550108DA FR 1550108 A FR1550108 A FR 1550108A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1550108A publication Critical patent/FR1550108A/fr
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
    • 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
FR1550108D 1967-06-27 1967-06-27 Expired FR1550108A (show.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR112079 1967-06-27

Publications (1)

Publication Number Publication Date
FR1550108A true FR1550108A (show.php) 1968-12-20

Family

ID=8633917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1550108D Expired FR1550108A (show.php) 1967-06-27 1967-06-27

Country Status (1)

Country Link
FR (1) FR1550108A (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346417A1 (de) * 1983-12-22 1985-07-11 Deutsches Elektronen-Synchrotron Desy, 2000 Hamburg Ionenzerstaeuberpumpe nach dem penning-prinzip und verfahren zu ihrer herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346417A1 (de) * 1983-12-22 1985-07-11 Deutsches Elektronen-Synchrotron Desy, 2000 Hamburg Ionenzerstaeuberpumpe nach dem penning-prinzip und verfahren zu ihrer herstellung

Similar Documents

Publication Publication Date Title
AU425114B2 (show.php)
AT298283B (show.php)
FR1550108A (show.php)
AU2277767A (show.php)
AU342066A (show.php)
AU610966A (show.php)
AU2977667A (show.php)
AU1273466A (show.php)
AU2116667A (show.php)
AU3189468A (show.php)
AU2454867A (show.php)
AU3151267A (show.php)
AU2528767A (show.php)
BE426053A (show.php)
BE514578A (show.php)
AU25066A (show.php)
AU2406369A (show.php)
BE711873A (show.php)
AU34866A (show.php)
AU408412B2 (show.php)
BE711893A (show.php)
AU459699A (show.php)
AU1763766A (show.php)
BE614676A (show.php)
AU97666A (show.php)

Legal Events

Date Code Title Description
ST Notification of lapse