FR2140049B1 - - Google Patents

Info

Publication number
FR2140049B1
FR2140049B1 FR7219159A FR7219159A FR2140049B1 FR 2140049 B1 FR2140049 B1 FR 2140049B1 FR 7219159 A FR7219159 A FR 7219159A FR 7219159 A FR7219159 A FR 7219159A FR 2140049 B1 FR2140049 B1 FR 2140049B1
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
FR7219159A
Other versions
FR2140049A1 (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 FR2140049A1 publication Critical patent/FR2140049A1/fr
Application granted granted Critical
Publication of FR2140049B1 publication Critical patent/FR2140049B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/24—Dynodes having potential gradient along their surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
FR7219159A 1971-05-29 1972-05-29 Expired FR2140049B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7107454A NL7107454A (fr) 1971-05-29 1971-05-29

Publications (2)

Publication Number Publication Date
FR2140049A1 FR2140049A1 (fr) 1973-01-12
FR2140049B1 true FR2140049B1 (fr) 1977-12-23

Family

ID=19813282

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7219159A Expired FR2140049B1 (fr) 1971-05-29 1972-05-29

Country Status (8)

Country Link
US (1) US3813276A (fr)
JP (1) JPS5327733B1 (fr)
CA (1) CA966043A (fr)
DE (1) DE2225316C3 (fr)
FR (1) FR2140049B1 (fr)
GB (1) GB1358809A (fr)
IT (1) IT966917B (fr)
NL (1) NL7107454A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222323B1 (fr) * 1973-03-21 1978-04-28 Philips Nv
DE2700761A1 (de) * 1976-01-13 1977-07-14 Gen Electric Verfahren zum vergroessern der spannungsfestigkeitseigenschaft von vakuumunterbrechern
DE3039749C2 (de) * 1980-10-22 1982-08-19 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur Herstellung von blasenfreiem, glasigem Werkstoff
US4469554A (en) * 1983-04-05 1984-09-04 At&T Bell Laboratories Etch procedure for optical fibers
DE3789491T2 (de) * 1986-11-27 1994-10-20 Horiba Ltd Plattenförmige Glaselektrode.
EP3584640B1 (fr) 2016-06-13 2023-01-11 Rolex Sa Oscillateur horloger
EP3929666A1 (fr) 2020-06-26 2021-12-29 ETA SA Manufacture Horlogère Suisse Système mobile tournant d'un mouvement horloger

Also Published As

Publication number Publication date
FR2140049A1 (fr) 1973-01-12
JPS5327733B1 (fr) 1978-08-10
DE2225316B2 (de) 1979-02-22
US3813276A (en) 1974-05-28
NL7107454A (fr) 1972-12-01
GB1358809A (en) 1974-07-03
IT966917B (it) 1974-02-20
CA966043A (en) 1975-04-15
DE2225316A1 (de) 1972-12-14
DE2225316C3 (de) 1979-10-11
JPS484508A (fr) 1973-01-20

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Legal Events

Date Code Title Description
ST Notification of lapse