FR2022959A1 - - Google Patents

Info

Publication number
FR2022959A1
FR2022959A1 FR6938188A FR6938188A FR2022959A1 FR 2022959 A1 FR2022959 A1 FR 2022959A1 FR 6938188 A FR6938188 A FR 6938188A FR 6938188 A FR6938188 A FR 6938188A FR 2022959 A1 FR2022959 A1 FR 2022959A1
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.)
Withdrawn
Application number
FR6938188A
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 FR2022959A1 publication Critical patent/FR2022959A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • 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
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium

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)
  • Glass Compositions (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
FR6938188A 1968-11-09 1969-11-06 Withdrawn FR2022959A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6816004A NL6816004A (fr) 1968-11-09 1968-11-09

Publications (1)

Publication Number Publication Date
FR2022959A1 true FR2022959A1 (fr) 1970-08-07

Family

ID=19805111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6938188A Withdrawn FR2022959A1 (fr) 1968-11-09 1969-11-06

Country Status (7)

Country Link
US (1) US3663247A (fr)
JP (1) JPS5243055B1 (fr)
BE (1) BE741466A (fr)
FR (1) FR2022959A1 (fr)
GB (1) GB1239687A (fr)
NL (1) NL6816004A (fr)
SE (1) SE349791B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2086118A1 (fr) * 1970-04-16 1971-12-31 Philips Nv

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183620A (en) * 1976-12-30 1980-01-15 Pedro Buarque De Macedo Joint doped porous glass article with high modifier concentrations
DE19922678C2 (de) * 1999-05-18 2001-06-21 Perkinelmer Optoelectronics Bleisilicatglas sowie dessen Verwendung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584974A (en) * 1948-05-13 1952-02-12 Corning Glass Works Optical glass
US3307958A (en) * 1960-04-11 1967-03-07 Physical Sciences Corp Ceramic material
NL279477A (fr) * 1960-04-20
US3470002A (en) * 1967-01-30 1969-09-30 Bell Telephone Labor Inc Glaze for high density alumina

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2086118A1 (fr) * 1970-04-16 1971-12-31 Philips Nv

Also Published As

Publication number Publication date
JPS5243055B1 (fr) 1977-10-28
GB1239687A (fr) 1971-07-21
SE349791B (fr) 1972-10-09
DE1953738B2 (de) 1976-03-11
NL6816004A (fr) 1970-05-12
BE741466A (fr) 1970-05-08
US3663247A (en) 1972-05-16
DE1953738A1 (de) 1970-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse