FR1557570A - - Google Patents

Info

Publication number
FR1557570A
FR1557570A FR1557570DA FR1557570A FR 1557570 A FR1557570 A FR 1557570A FR 1557570D A FR1557570D A FR 1557570DA FR 1557570 A FR1557570 A FR 1557570A
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1557570A publication Critical patent/FR1557570A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/038—Electrodes, e.g. special shape, configuration or composition
    • 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
    • H01J1/025—Hollow cathodes

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
FR1557570D 1967-03-31 1968-03-29 Expired FR1557570A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62735167A 1967-03-31 1967-03-31

Publications (1)

Publication Number Publication Date
FR1557570A true FR1557570A (cs) 1969-02-14

Family

ID=24514294

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557570D Expired FR1557570A (cs) 1967-03-31 1968-03-29

Country Status (3)

Country Link
BE (1) BE712884A (cs)
FR (1) FR1557570A (cs)
NL (1) NL6801788A (cs)

Also Published As

Publication number Publication date
BE712884A (cs) 1968-07-31
NL6801788A (cs) 1968-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse