NL257827A - - Google Patents

Info

Publication number: NL257827A
Authority: NL; Netherlands

Application number

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.)

1959-11-12

Publication of NL257827A publication Critical patent/NL257827A/xx

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
- H01J41/14—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

NL257827D 1959-11-12 NL257827A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB38372/59A GB887251A (en)	1959-11-12	1959-11-12	Improvements in or relating to ionic vacuum pump devices

Publications (1)

Publication Number	Publication Date
NL257827A true NL257827A (en)

Family

ID=10403041

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL131435D NL131435C (en)	1959-11-12
NL257827D NL257827A (en)	1959-11-12

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL131435D NL131435C (en)	1959-11-12

Country Status (5)

Country	Link
US (1)	US3118077A (en)
DE (1)	DE1177278B (en)
FR (1)	FR1273299A (en)
GB (1)	GB887251A (en)
NL (2)	NL257827A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3244990A (en) *	1963-02-26	1966-04-05	Wisconsin Alumni Res Found	Electron vacuum tube employing orbiting electrons
US3343781A (en) *	1965-04-28	1967-09-26	Gen Electric	Ionic pump
US3339106A (en) *	1965-05-28	1967-08-29	Canadian Patents Dev	Ionization vacuum pump of the orbitron type having a porous annular grid electrode
US5697827A (en) *	1996-01-11	1997-12-16	Rabinowitz; Mario	Emissive flat panel display with improved regenerative cathode
CN111344489B (en)	2017-07-11	2023-05-16	斯坦福研究院	Compact electrostatic ion pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1068561B (en) *		1959-11-05
US2528541A (en) *	1945-11-01	1950-11-07	Standard Telephones Cables Ltd	Electron discharge device
US2755014A (en) *	1953-04-24	1956-07-17	Gen Electric	Ionic vacuum pump device
DE1046249B (en) *	1956-04-05	1958-12-11	Dr Gerhard Fricke	Method and device for generating a high vacuum

0
- NL NL131435D patent/NL131435C/xx active
- NL NL257827D patent/NL257827A/xx unknown
1959
- 1959-11-12 GB GB38372/59A patent/GB887251A/en not_active Expired
1960
- 1960-11-08 DE DEN19156A patent/DE1177278B/en active Pending
- 1960-11-09 US US68183A patent/US3118077A/en not_active Expired - Lifetime
- 1960-11-10 FR FR843652A patent/FR1273299A/en not_active Expired

Also Published As

Publication number	Publication date
US3118077A (en)	1964-01-14
NL131435C (en)
FR1273299A (en)	1961-10-06
DE1177278B (en)	1964-09-03
GB887251A (en)	1962-01-17

Publication	Publication Date	Title
AT212261B (en)	1960-12-12
AT219274B (en)	1962-01-25
AT213197B (en)	1961-01-25
AT213304B (en)	1961-02-10
AT213532B (en)	1961-02-27
AT216639B (en)	1961-08-10
AT219930B (en)	1962-02-26
AT219811B (en)	1962-02-26
BE575321A (en)	1959-08-03
BE570722A (en)
BE575117A (en)	1959-02-14
BE581958A (en)
BE582128A (en)
BE582171A (en)	1960-02-29
BE582510A (en)
BE583512A (en)
BE584079A (en)
BE579810A (en)
BE579636A (en)	1959-12-14
BE578868A (en)	1959-11-20
BE584683A (en)
BE503570A (en)
BE503885A (en)
BE549801A (en)
BE585940A (en)