JPS4947974B1 - - Google Patents

Info

Publication number
JPS4947974B1
JPS4947974B1 JP7605470A JP7605470A JPS4947974B1 JP S4947974 B1 JPS4947974 B1 JP S4947974B1 JP 7605470 A JP7605470 A JP 7605470A JP 7605470 A JP7605470 A JP 7605470A JP S4947974 B1 JPS4947974 B1 JP S4947974B1
Authority
JP
Japan
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.)
Pending
Application number
JP7605470A
Other languages
Japanese (ja)
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
Publication of JPS4947974B1 publication Critical patent/JPS4947974B1/ja
Pending 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
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron

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)
JP7605470A 1969-09-04 1970-09-01 Pending JPS4947974B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6913470A NL6913470A (enrdf_load_stackoverflow) 1969-09-04 1969-09-04

Publications (1)

Publication Number Publication Date
JPS4947974B1 true JPS4947974B1 (enrdf_load_stackoverflow) 1974-12-19

Family

ID=19807827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7605470A Pending JPS4947974B1 (enrdf_load_stackoverflow) 1969-09-04 1970-09-01

Country Status (9)

Country Link
JP (1) JPS4947974B1 (enrdf_load_stackoverflow)
AU (1) AU1941270A (enrdf_load_stackoverflow)
BE (1) BE755636A (enrdf_load_stackoverflow)
CA (1) CA931169A (enrdf_load_stackoverflow)
DE (1) DE2039884C3 (enrdf_load_stackoverflow)
FR (1) FR2060842A5 (enrdf_load_stackoverflow)
GB (1) GB1301313A (enrdf_load_stackoverflow)
NL (1) NL6913470A (enrdf_load_stackoverflow)
SE (1) SE360847B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105668U (enrdf_load_stackoverflow) * 1975-02-06 1976-08-24

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714861A (en) * 1986-10-01 1987-12-22 Galileo Electro-Optics Corp. Higher frequency microchannel plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105668U (enrdf_load_stackoverflow) * 1975-02-06 1976-08-24

Also Published As

Publication number Publication date
AU1941270A (en) 1972-03-09
CA931169A (en) 1973-07-31
DE2039884C3 (de) 1978-07-13
NL6913470A (enrdf_load_stackoverflow) 1971-03-08
DE2039884B2 (de) 1977-10-27
DE2039884A1 (de) 1971-03-11
FR2060842A5 (enrdf_load_stackoverflow) 1971-06-18
BE755636A (fr) 1971-03-02
SE360847B (enrdf_load_stackoverflow) 1973-10-08
GB1301313A (enrdf_load_stackoverflow) 1972-12-29

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