FR2175465A5 - - Google Patents

Info

Publication number
FR2175465A5
FR2175465A5 FR7307889A FR7307889A FR2175465A5 FR 2175465 A5 FR2175465 A5 FR 2175465A5 FR 7307889 A FR7307889 A FR 7307889A FR 7307889 A FR7307889 A FR 7307889A FR 2175465 A5 FR2175465 A5 FR 2175465A5
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
FR7307889A
Other languages
French (fr)
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.)
Veeco Instruments Inc
Original Assignee
Veeco Instruments Inc
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 Veeco Instruments Inc filed Critical Veeco Instruments Inc
Application granted granted Critical
Publication of FR2175465A5 publication Critical patent/FR2175465A5/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
FR7307889A 1972-03-06 1973-03-06 Expired FR2175465A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23182872A 1972-03-06 1972-03-06

Publications (1)

Publication Number Publication Date
FR2175465A5 true FR2175465A5 (de) 1973-10-19

Family

ID=22870778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7307889A Expired FR2175465A5 (de) 1972-03-06 1973-03-06

Country Status (5)

Country Link
US (1) US3781133A (de)
JP (1) JPS48104109A (de)
DE (1) DE2311083A1 (de)
FR (1) FR2175465A5 (de)
IL (1) IL41704A0 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826501B1 (de) * 1978-06-16 1979-11-08 Siemens Ag Evakuierungsvorrichtung zur Erzeugung eines Isoliervakuums um die supraleitende Wicklung eines Rotors
US9960026B1 (en) * 2013-11-11 2018-05-01 Coldquanta Inc. Ion pump with direct molecule flow channel through anode

Also Published As

Publication number Publication date
US3781133A (en) 1973-12-25
DE2311083A1 (de) 1973-09-13
JPS48104109A (de) 1973-12-27
IL41704A0 (en) 1973-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse