BE717953A - - Google Patents
Info
- Publication number
- BE717953A BE717953A BE717953DA BE717953A BE 717953 A BE717953 A BE 717953A BE 717953D A BE717953D A BE 717953DA BE 717953 A BE717953 A BE 717953A
- Authority
- BE
- Belgium
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
-
- 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
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6709718A NL6709718A (de) | 1967-07-13 | 1967-07-13 | |
| US11900471A | 1971-02-25 | 1971-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE717953A true BE717953A (de) | 1969-01-13 |
Family
ID=26644213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE717953D BE717953A (de) | 1967-07-13 | 1968-07-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3728646A (de) |
| BE (1) | BE717953A (de) |
| CH (1) | CH527518A (de) |
| DE (1) | DE1771739A1 (de) |
| FR (1) | FR1571973A (de) |
| GB (1) | GB1218783A (de) |
| NL (1) | NL6709718A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU505308B2 (en) * | 1976-09-21 | 1979-11-15 | Asahi Glass Company Limited | Glass for use in ultrasonic delay lines |
| JPS6042247A (ja) * | 1983-08-16 | 1985-03-06 | Asahi Glass Co Ltd | 低膨張性ガラス |
| DE3346685C2 (de) * | 1983-12-23 | 1985-10-24 | Degussa Ag, 6000 Frankfurt | Blau lumineszierende Gläser |
| US4554259A (en) * | 1984-05-08 | 1985-11-19 | Schott Glass Technologies, Inc. | Low expansion, alkali-free borosilicate glass suitable for photomask applications |
| DE3429847A1 (de) * | 1984-08-14 | 1986-02-20 | Schott Glaswerke, 6500 Mainz | Glaszusammensetzungen mit geringen dielektrischen verlusten |
| US5503926A (en) * | 1995-01-11 | 1996-04-02 | Saint-Gobain/Norton Industrial Ceramics Corporation | Hipped silicon nitride having a reduced reaction layer |
| EP1138641A1 (de) * | 2000-03-30 | 2001-10-04 | Schott Glas | Bleifreie bismuthaltige Silicatgläser und ihre Verwendungen |
| RU2599265C1 (ru) * | 2015-09-21 | 2016-10-10 | Юлия Алексеевна Щепочкина | Стекло |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL279370A (de) * | 1961-06-19 | |||
| NL295653A (de) * | 1962-08-15 | |||
| GB1249021A (en) * | 1968-04-05 | 1971-10-06 | Nippon Telegraph & Telephone | An ultrasonic wave delay line comprising a block of glass |
| US3550044A (en) * | 1968-04-09 | 1970-12-22 | Matsushita Electric Ind Co Ltd | Solid delay line |
-
1967
- 1967-07-13 NL NL6709718A patent/NL6709718A/xx unknown
-
1968
- 1968-07-03 DE DE19681771739 patent/DE1771739A1/de active Pending
- 1968-07-10 GB GB32837/68A patent/GB1218783A/en not_active Expired
- 1968-07-10 CH CH1025968A patent/CH527518A/de not_active IP Right Cessation
- 1968-07-11 FR FR1571973D patent/FR1571973A/fr not_active Expired
- 1968-07-11 BE BE717953D patent/BE717953A/xx unknown
-
1971
- 1971-02-25 US US00119004A patent/US3728646A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL6709718A (de) | 1969-01-15 |
| FR1571973A (de) | 1969-06-20 |
| US3728646A (en) | 1973-04-17 |
| DE1771739A1 (de) | 1972-01-05 |
| GB1218783A (en) | 1971-01-13 |
| CH527518A (de) | 1972-08-31 |