BE741466A - - Google Patents
Info
- Publication number
- BE741466A BE741466A BE741466DA BE741466A BE 741466 A BE741466 A BE 741466A BE 741466D A BE741466D A BE 741466DA BE 741466 A BE741466 A BE 741466A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/18—Electrode arrangements using essentially more than one dynode
- H01J43/24—Dynodes having potential gradient along their surfaces
-
- 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
- C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
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)
- Glass Compositions (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6816004A NL6816004A (xx) | 1968-11-09 | 1968-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741466A true BE741466A (xx) | 1970-05-08 |
Family
ID=19805111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741466D BE741466A (xx) | 1968-11-09 | 1969-11-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3663247A (xx) |
| JP (1) | JPS5243055B1 (xx) |
| BE (1) | BE741466A (xx) |
| FR (1) | FR2022959A1 (xx) |
| GB (1) | GB1239687A (xx) |
| NL (1) | NL6816004A (xx) |
| SE (1) | SE349791B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7005457A (xx) * | 1970-04-16 | 1971-10-19 | ||
| US4183620A (en) * | 1976-12-30 | 1980-01-15 | Pedro Buarque De Macedo | Joint doped porous glass article with high modifier concentrations |
| DE19922678C2 (de) * | 1999-05-18 | 2001-06-21 | Perkinelmer Optoelectronics | Bleisilicatglas sowie dessen Verwendung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2584974A (en) * | 1948-05-13 | 1952-02-12 | Corning Glass Works | Optical glass |
| US3307958A (en) * | 1960-04-11 | 1967-03-07 | Physical Sciences Corp | Ceramic material |
| NL279477A (xx) * | 1960-04-20 | |||
| US3470002A (en) * | 1967-01-30 | 1969-09-30 | Bell Telephone Labor Inc | Glaze for high density alumina |
-
1968
- 1968-11-09 NL NL6816004A patent/NL6816004A/xx unknown
-
1969
- 1969-10-31 US US873091A patent/US3663247A/en not_active Expired - Lifetime
- 1969-11-06 GB GB1239687D patent/GB1239687A/en not_active Expired
- 1969-11-06 JP JP8866969A patent/JPS5243055B1/ja active Pending
- 1969-11-06 FR FR6938188A patent/FR2022959A1/fr not_active Withdrawn
- 1969-11-06 SE SE15251/69A patent/SE349791B/xx unknown
- 1969-11-07 BE BE741466D patent/BE741466A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5243055B1 (xx) | 1977-10-28 |
| GB1239687A (xx) | 1971-07-21 |
| FR2022959A1 (xx) | 1970-08-07 |
| SE349791B (xx) | 1972-10-09 |
| DE1953738B2 (de) | 1976-03-11 |
| NL6816004A (xx) | 1970-05-12 |
| US3663247A (en) | 1972-05-16 |
| DE1953738A1 (de) | 1970-06-11 |