BE749797A - Milieu de transmission des ultra-sons a coefficient de variation du retard nul et possedant une stabilite temporelle elevee - Google Patents

Milieu de transmission des ultra-sons a coefficient de variation du retard nul et possedant une stabilite temporelle elevee

Info

Publication number
BE749797A
BE749797A BE749797DA BE749797A BE 749797 A BE749797 A BE 749797A BE 749797D A BE749797D A BE 749797DA BE 749797 A BE749797 A BE 749797A
Authority
BE
Belgium
Prior art keywords
ultra
transmission medium
sound transmission
variation coefficient
delay variation
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
J T Krause
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE749797A publication Critical patent/BE749797A/xx

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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
BE749797D 1969-05-05 1970-04-30 Milieu de transmission des ultra-sons a coefficient de variation du retard nul et possedant une stabilite temporelle elevee BE749797A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82169369A 1969-05-05 1969-05-05

Publications (1)

Publication Number Publication Date
BE749797A true BE749797A (fr) 1970-10-01

Family

ID=25234064

Family Applications (1)

Application Number Title Priority Date Filing Date
BE749797D BE749797A (fr) 1969-05-05 1970-04-30 Milieu de transmission des ultra-sons a coefficient de variation du retard nul et possedant une stabilite temporelle elevee

Country Status (7)

Country Link
US (1) US3651431A (xx)
JP (1) JPS4946128B1 (xx)
BE (1) BE749797A (xx)
DE (1) DE2022046B2 (xx)
FR (1) FR2047280A5 (xx)
GB (1) GB1304712A (xx)
NL (1) NL7006344A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7018029A (xx) * 1969-12-22 1971-06-24
JPS5341526U (xx) * 1976-09-14 1978-04-10

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135270C (xx) * 1961-06-19
FR1383962A (fr) * 1962-11-30 1965-01-04 Western Electric Co Ligne ultrasonique à retard
NL142547B (nl) * 1965-04-15 1974-06-17 Philips Nv Akoestische vertragingslijn.

Also Published As

Publication number Publication date
DE2022046A1 (de) 1971-04-29
NL7006344A (xx) 1970-11-09
GB1304712A (xx) 1973-01-31
FR2047280A5 (xx) 1971-03-12
JPS4946128B1 (xx) 1974-12-07
DE2022046B2 (de) 1971-10-21
US3651431A (en) 1972-03-21

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