FR1603905A - - Google Patents

Info

Publication number
FR1603905A
FR1603905A FR1603905DA FR1603905A FR 1603905 A FR1603905 A FR 1603905A FR 1603905D A FR1603905D A FR 1603905DA FR 1603905 A FR1603905 A FR 1603905A
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
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 FR1603905A publication Critical patent/FR1603905A/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
    • 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0057—Compositions for glass with special properties for ultrasonic delay lines glass
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/36—Time-delay networks with non-adjustable delay time

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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Glass Compositions (AREA)
FR1603905D 1967-12-27 1968-12-24 Expired FR1603905A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69396967A 1967-12-27 1967-12-27

Publications (1)

Publication Number Publication Date
FR1603905A true FR1603905A (fr) 1971-06-14

Family

ID=24786875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1603905D Expired FR1603905A (fr) 1967-12-27 1968-12-24

Country Status (7)

Country Link
US (1) US3551129A (fr)
BE (1) BE725917A (fr)
DE (1) DE1816607A1 (fr)
FR (1) FR1603905A (fr)
GB (1) GB1254320A (fr)
NL (1) NL6818545A (fr)
SE (1) SE346526B (fr)

Also Published As

Publication number Publication date
GB1254320A (en) 1971-11-17
DE1816607A1 (de) 1970-02-12
SE346526B (fr) 1972-07-10
BE725917A (fr) 1969-05-29
NL6818545A (fr) 1969-07-01
US3551129A (en) 1970-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse