NL7101954A - - Google Patents

Info

Publication number
NL7101954A
NL7101954A NL7101954A NL7101954A NL7101954A NL 7101954 A NL7101954 A NL 7101954A NL 7101954 A NL7101954 A NL 7101954A NL 7101954 A NL7101954 A NL 7101954A NL 7101954 A NL7101954 A NL 7101954A
Authority
NL
Netherlands
Application number
NL7101954A
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
Priority to NL7101954A priority Critical patent/NL7101954A/xx
Priority to DE19712165192 priority patent/DE2165192A1/de
Priority to US00222149A priority patent/US3755705A/en
Priority to FR7204480A priority patent/FR2125357B1/fr
Priority to GB626472A priority patent/GB1377544A/en
Publication of NL7101954A publication Critical patent/NL7101954A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/065—Construction of guns or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Solid Thermionic Cathode (AREA)
NL7101954A 1971-02-13 1971-02-13 NL7101954A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7101954A NL7101954A (fr) 1971-02-13 1971-02-13
DE19712165192 DE2165192A1 (de) 1971-02-13 1971-12-29 Kathode mit Ausnehmung im Emissionselement
US00222149A US3755705A (en) 1971-02-13 1972-01-31 Cathode having a cavity in the emissive element
FR7204480A FR2125357B1 (fr) 1971-02-13 1972-02-10
GB626472A GB1377544A (en) 1971-02-13 1972-02-10 Thermionic cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7101954A NL7101954A (fr) 1971-02-13 1971-02-13

Publications (1)

Publication Number Publication Date
NL7101954A true NL7101954A (fr) 1972-08-15

Family

ID=19812480

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7101954A NL7101954A (fr) 1971-02-13 1971-02-13

Country Status (5)

Country Link
US (1) US3755705A (fr)
DE (1) DE2165192A1 (fr)
FR (1) FR2125357B1 (fr)
GB (1) GB1377544A (fr)
NL (1) NL7101954A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855864A1 (de) * 1978-12-22 1980-07-10 Ibm Deutschland Ionenquelle, insbesondere fuer ionenimplantationsanlagen
EP0287774A3 (fr) * 1987-04-24 1990-03-07 Balzers Aktiengesellschaft Cathode thermionique en épingle à cheveux

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1749780A (en) * 1922-01-31 1930-03-11 Westinghouse Lamp Co Incandescent-cathode device
US3462635A (en) * 1966-10-24 1969-08-19 Ibm Holder for highly reactive cathodes of rare-earth borides such as lanthanum hexaboride,the holder provided with a cooling means opposite to the emissive end of the cathode in order to reduce tendency of holder deterioration

Also Published As

Publication number Publication date
FR2125357A1 (fr) 1972-09-29
US3755705A (en) 1973-08-28
GB1377544A (en) 1974-12-18
FR2125357B1 (fr) 1975-02-14
DE2165192A1 (de) 1972-08-31

Similar Documents

Publication Publication Date Title
ATA136472A (fr)
AR196074A1 (fr)
FR2125357B1 (fr)
AU3005371A (fr)
AU2684071A (fr)
AU2952271A (fr)
AU2564071A (fr)
AU2485671A (fr)
AU2473671A (fr)
AU2930871A (fr)
AU2684171A (fr)
AR192311Q (fr)
AU2669471A (fr)
AU2940971A (fr)
AU2654071A (fr)
AU2588771A (fr)
AU2577671A (fr)
AU2503871A (fr)
AU2486471A (fr)
AU1109576A (fr)
AU2456871A (fr)
AU3038671A (fr)
AU3025871A (fr)
AU2455871A (fr)
AU2963771A (fr)