GB274507A - High emission thermionic valve - Google Patents
High emission thermionic valveInfo
- Publication number
- GB274507A GB274507A GB19052/27A GB1905227A GB274507A GB 274507 A GB274507 A GB 274507A GB 19052/27 A GB19052/27 A GB 19052/27A GB 1905227 A GB1905227 A GB 1905227A GB 274507 A GB274507 A GB 274507A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bulb
- anode
- magnesium
- disc
- glass
- 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.)
- Expired
Links
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 3
- 239000011521 glass Substances 0.000 abstract 3
- 229910052749 magnesium Inorganic materials 0.000 abstract 3
- 239000011777 magnesium Substances 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE274507X | 1926-07-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB274507A true GB274507A (en) | 1928-10-18 |
Family
ID=6020861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19052/27A Expired GB274507A (en) | 1926-07-19 | 1927-07-18 | High emission thermionic valve |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR637748A (enrdf_load_stackoverflow) |
GB (1) | GB274507A (enrdf_load_stackoverflow) |
NL (1) | NL27026C (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739389C (de) * | 1936-01-26 | 1943-09-24 | Siemens Ag | Anordnung zur Verdampfung eines Getterstoffes aus einem von aussen her zu beheizenden, in das Innere eines Entladungsgefaesses muendenden Rohr |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2067817A (en) * | 1934-09-15 | 1937-01-12 | Gen Electric | Device for gettering metal tubes |
-
0
- NL NL27026D patent/NL27026C/xx active
-
1927
- 1927-07-15 FR FR637748D patent/FR637748A/fr not_active Expired
- 1927-07-18 GB GB19052/27A patent/GB274507A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739389C (de) * | 1936-01-26 | 1943-09-24 | Siemens Ag | Anordnung zur Verdampfung eines Getterstoffes aus einem von aussen her zu beheizenden, in das Innere eines Entladungsgefaesses muendenden Rohr |
Also Published As
Publication number | Publication date |
---|---|
NL27026C (enrdf_load_stackoverflow) | |
FR637748A (fr) | 1928-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB274507A (en) | High emission thermionic valve | |
GB495165A (en) | Improvements relating to the envelopes of and leads in high frequency electron discharge tubes | |
GB516620A (en) | Improvements in cathode ray tubes | |
GB231194A (en) | An improved process for the manufacture of thermionic valves | |
US2426247A (en) | Getter apparatus | |
GB301855A (en) | Improvements in or relating to electronic discharge bulbs | |
GB257604A (en) | Vacuum tubes | |
GB377041A (en) | Improvements in or relating to gasfilled discharge tubes | |
GB277997A (enrdf_load_stackoverflow) | ||
GB514967A (en) | Improvements in and relating to electric discharge devices | |
GB267142A (en) | Improvements in thermionic electrodes | |
GB303369A (enrdf_load_stackoverflow) | ||
GB492712A (en) | An anode material for anodic incandescent lamps and method of producing same | |
GB230497A (en) | Improvements in or relating to x-ray tubes | |
GB238123A (en) | Improvements in thermionic triodes | |
GB255983A (en) | Improvements in thermionic valves | |
GB344844A (en) | An improved cathode for high vacuum discharge vessels | |
GB365687A (en) | Improvements relating to incandescent cathode structures for electric discharge tubes | |
GB506390A (en) | Improvements in or relating to cathode ray indicator tubes | |
GB382540A (en) | Improvements relating to electron discharge tubes | |
GB256975A (en) | Process of making vacuum tubes | |
GB386959A (en) | Improvements in and relating to electron discharge tubes | |
GB331231A (en) | Improvements in and relating to thermionic valves | |
GB216896A (en) | Improvements in or relating to electric discharge tubes having an incandescent cathode, an anode and one or more grid-electrodes | |
GB378836A (en) | Improvements relating to sheathed metal bodies |