FR2321189B1 - - Google Patents

Info

Publication number
FR2321189B1
FR2321189B1 FR7624771A FR7624771A FR2321189B1 FR 2321189 B1 FR2321189 B1 FR 2321189B1 FR 7624771 A FR7624771 A FR 7624771A FR 7624771 A FR7624771 A FR 7624771A FR 2321189 B1 FR2321189 B1 FR 2321189B1
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
FR7624771A
Other versions
FR2321189A1 (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.)
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
Publication of FR2321189A1 publication Critical patent/FR2321189A1/fr
Application granted granted Critical
Publication of FR2321189B1 publication Critical patent/FR2321189B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H10P50/00—

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR7624771A 1975-08-14 1976-08-13 Procede permettant de nettoyer des surfaces et photocathode obtenue par le procede Granted FR2321189A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33878/75A GB1555762A (en) 1975-08-14 1975-08-14 Method of cleaning surfaces

Publications (2)

Publication Number Publication Date
FR2321189A1 FR2321189A1 (fr) 1977-03-11
FR2321189B1 true FR2321189B1 (fr) 1979-05-25

Family

ID=10358642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624771A Granted FR2321189A1 (fr) 1975-08-14 1976-08-13 Procede permettant de nettoyer des surfaces et photocathode obtenue par le procede

Country Status (5)

Country Link
JP (1) JPS5242493A (fr)
CA (1) CA1071075A (fr)
DE (1) DE2634993A1 (fr)
FR (1) FR2321189A1 (fr)
GB (1) GB1555762A (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1238105B (de) * 1963-07-17 1967-04-06 Siemens Ag Verfahren zum Herstellen von pn-UEbergaengen in Silizium
US3669735A (en) * 1970-09-04 1972-06-13 Rca Corp Method for activating a semiconductor electron emitter
US3712700A (en) * 1971-01-18 1973-01-23 Rca Corp Method of making an electron emitter device

Also Published As

Publication number Publication date
GB1555762A (en) 1979-11-14
JPS5242493A (en) 1977-04-02
CA1071075A (fr) 1980-02-05
DE2634993A1 (de) 1977-02-24
FR2321189A1 (fr) 1977-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse