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.)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 claimed from US76287Aexternal-prioritypatent/US3183391A/en
Application filed by RCA Corp, Radio Corporation of AmericafiledCriticalRCA Corp
Priority to FR881705ApriorityCriticalpatent/FR1307838A/fr
Application grantedgrantedCritical
Publication of FR1307838ApublicationCriticalpatent/FR1307838A/fr
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
H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
FR881705A1960-12-161961-12-12Procédé et dispositif pour parfaire le dégazage d'un tube électronique
ExpiredFR1307838A
(fr)