FR2005676A1 - - Google Patents

Info

Publication number
FR2005676A1
FR2005676A1 FR6910598A FR6910598A FR2005676A1 FR 2005676 A1 FR2005676 A1 FR 2005676A1 FR 6910598 A FR6910598 A FR 6910598A FR 6910598 A FR6910598 A FR 6910598A FR 2005676 A1 FR2005676 A1 FR 2005676A1
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Withdrawn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
FR6910598A
Other languages
French (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.)
Nikon Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Nippon Kogaku KK
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 Nippon Telegraph and Telephone Corp, Nippon Kogaku KK filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2005676A1 publication Critical patent/FR2005676A1/fr
Withdrawn legal-status Critical Current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
    • C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
    • 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 elements; 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)
FR6910598A 1968-04-05 1969-04-04 Withdrawn FR2005676A1 (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2212668 1968-04-05

Publications (1)

Publication Number Publication Date
FR2005676A1 true FR2005676A1 (en, 2012) 1969-12-12

Family

ID=12074174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6910598A Withdrawn FR2005676A1 (en, 2012) 1968-04-05 1969-04-04

Country Status (3)

Country Link
US (1) US3769613A (en, 2012)
FR (1) FR2005676A1 (en, 2012)
GB (1) GB1249021A (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728646A (en) * 1967-07-13 1973-04-17 Philips Corp Acoustic delay line
US3783416A (en) * 1969-12-22 1974-01-01 Owens Illinois Inc Solid ultrasonic delay lines and glass compositions therefor
US3857713A (en) * 1969-08-15 1974-12-31 Of Nippon Telegraphy & Telepho Alkali free lead silicate glass medium for ultrasonic delay lines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728646A (en) * 1967-07-13 1973-04-17 Philips Corp Acoustic delay line
US3857713A (en) * 1969-08-15 1974-12-31 Of Nippon Telegraphy & Telepho Alkali free lead silicate glass medium for ultrasonic delay lines
US3783416A (en) * 1969-12-22 1974-01-01 Owens Illinois Inc Solid ultrasonic delay lines and glass compositions therefor

Also Published As

Publication number Publication date
DE1916658A1 (de) 1969-10-30
DE1916658B2 (de) 1972-09-28
GB1249021A (en) 1971-10-06
US3769613A (en) 1973-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse