DE2557208A1 - Glas fuer ultraschall-verzoegerungsglieder - Google Patents

Glas fuer ultraschall-verzoegerungsglieder

Info

Publication number
DE2557208A1
DE2557208A1 DE19752557208 DE2557208A DE2557208A1 DE 2557208 A1 DE2557208 A1 DE 2557208A1 DE 19752557208 DE19752557208 DE 19752557208 DE 2557208 A DE2557208 A DE 2557208A DE 2557208 A1 DE2557208 A1 DE 2557208A1
Authority
DE
Germany
Prior art keywords
glass
percent
weight
delay time
pbo
Prior art date
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
DE19752557208
Other languages
German (de)
English (en)
Inventor
Yoshiyuki Asahara
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.)
Hoya Glass Works Ltd
Original Assignee
Hoya Glass Works Ltd
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 Hoya Glass Works Ltd filed Critical Hoya Glass Works Ltd
Publication of DE2557208A1 publication Critical patent/DE2557208A1/de
Priority to US05/750,671 priority Critical patent/US4112341A/en
Priority to CA268,158A priority patent/CA1124782A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C03C3/108—Glass compositions containing silica with 40% to 90% silica, by weight containing lead 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0057—Compositions for glass with special properties for ultrasonic delay lines glass

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)
DE19752557208 1974-12-18 1975-12-18 Glas fuer ultraschall-verzoegerungsglieder Pending DE2557208A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US05/750,671 US4112341A (en) 1975-12-18 1976-12-15 Drive and brake circuit for speed controlled DC motors
CA268,158A CA1124782A (en) 1975-12-18 1976-12-17 Dynamic and regenerative braking circuit for a d-c motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14516274A JPS5171315A (ja) 1974-12-18 1974-12-18 Choonpachensenyogarasu

Publications (1)

Publication Number Publication Date
DE2557208A1 true DE2557208A1 (de) 1976-06-24

Family

ID=15378850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752557208 Pending DE2557208A1 (de) 1974-12-18 1975-12-18 Glas fuer ultraschall-verzoegerungsglieder

Country Status (4)

Country Link
JP (1) JPS5171315A (nl)
DE (1) DE2557208A1 (nl)
GB (1) GB1485898A (nl)
NL (1) NL7514766A (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364867A1 (fr) * 1976-09-21 1978-04-14 Asahi Glass Co Ltd Verre utilise dans les lignes de retard a ultrasons
FR2686598A1 (fr) * 1992-01-29 1993-07-30 Schott Glaswerke Verre resistant au vieillissement pour le retardement d'ondes ultrasonores.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843341B2 (ja) * 1976-09-21 1983-09-26 旭硝子株式会社 超音波遅延線用ガラス
JPS5659524U (nl) * 1979-10-11 1981-05-21
DE3317778A1 (de) * 1982-05-17 1983-11-17 Galileo Electro-Optics Corp., Sturbridge, Mass. Glas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364867A1 (fr) * 1976-09-21 1978-04-14 Asahi Glass Co Ltd Verre utilise dans les lignes de retard a ultrasons
FR2686598A1 (fr) * 1992-01-29 1993-07-30 Schott Glaswerke Verre resistant au vieillissement pour le retardement d'ondes ultrasonores.

Also Published As

Publication number Publication date
GB1485898A (en) 1977-09-14
JPS5242166B2 (nl) 1977-10-22
NL7514766A (nl) 1976-06-22
JPS5171315A (ja) 1976-06-21

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