NL256350A - - Google Patents

Info

Publication number
NL256350A
NL256350A NL256350DA NL256350A NL 256350 A NL256350 A NL 256350A NL 256350D A NL256350D A NL 256350DA NL 256350 A NL256350 A NL 256350A
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.)
Publication of NL256350A publication Critical patent/NL256350A/xx

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
    • H01J41/14—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
NL256350D 1959-10-16 NL256350A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US847033A US3037685A (en) 1959-10-16 1959-10-16 Method for pumping gases at low vacuum pressures

Publications (1)

Publication Number Publication Date
NL256350A true NL256350A (enrdf_load_html_response)

Family

ID=25299592

Family Applications (1)

Application Number Title Priority Date Filing Date
NL256350D NL256350A (enrdf_load_html_response) 1959-10-16

Country Status (4)

Country Link
US (1) US3037685A (enrdf_load_html_response)
BE (1) BE595989A (enrdf_load_html_response)
DE (1) DE1252353B (enrdf_load_html_response)
NL (1) NL256350A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214245A (en) * 1962-10-29 1965-10-26 Gen Electric Reactive metal diffusion pump
US3338676A (en) * 1964-01-03 1967-08-29 Nat Lead Co Preparation of a titania hydrate
US3515171A (en) * 1968-07-23 1970-06-02 Sloan Instr Corp Side pumped vacuum collar

Also Published As

Publication number Publication date
BE595989A (fr) 1961-02-01
US3037685A (en) 1962-06-05
DE1252353B (de) 1967-10-19

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