CA940218A - Hollow cold cathode for argon ion laser - Google Patents

Hollow cold cathode for argon ion laser

Info

Publication number
CA940218A
CA940218A CA111,143A CA111143A CA940218A CA 940218 A CA940218 A CA 940218A CA 111143 A CA111143 A CA 111143A CA 940218 A CA940218 A CA 940218A
Authority
CA
Canada
Prior art keywords
cold cathode
argon ion
ion laser
hollow cold
hollow
Prior art date
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
CA111,143A
Inventor
Gijsbert J. Ponsen
Wilhelmus J. Witteman
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA940218A publication Critical patent/CA940218A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0068—Electrode systems electrode assembly with control electrodes, e.g. including a screen
CA111,143A 1970-04-24 1971-04-23 Hollow cold cathode for argon ion laser Expired CA940218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7005965A NL7005965A (en) 1970-04-24 1970-04-24

Publications (1)

Publication Number Publication Date
CA940218A true CA940218A (en) 1974-01-15

Family

ID=19809938

Family Applications (1)

Application Number Title Priority Date Filing Date
CA111,143A Expired CA940218A (en) 1970-04-24 1971-04-23 Hollow cold cathode for argon ion laser

Country Status (6)

Country Link
JP (1) JPS4945200B1 (en)
CA (1) CA940218A (en)
DE (1) DE2118833A1 (en)
FR (1) FR2090725A5 (en)
GB (1) GB1338147A (en)
NL (1) NL7005965A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509091A1 (en) * 1981-07-01 1983-01-07 Sefli Cold cathode, esp. for fluorescent lamp tubes - where cathode consists of two concentric tubes, so length of cathode can be reduced and voltage drop through cathode is decreased
GB2176337B (en) * 1985-06-04 1990-02-14 English Electric Valve Co Ltd Metal vapour laser apparatus
EP0309833A1 (en) * 1987-09-28 1989-04-05 Siemens Aktiengesellschaft Gas laser with discharge tube
DE102016120416A1 (en) * 2015-11-10 2017-05-11 Von Ardenne Gmbh Electron beam source, electron gun and processing arrangement

Also Published As

Publication number Publication date
FR2090725A5 (en) 1972-01-14
GB1338147A (en) 1973-11-21
DE2118833A1 (en) 1971-11-11
NL7005965A (en) 1971-10-26
JPS4945200B1 (en) 1974-12-03

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