Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:smartphone
|
| gptkbp:application |
auto show
imaging material analysis |
| gptkbp:component |
anode
cathode control grid heater |
| gptkbp:function |
produce electron beam
|
| https://www.w3.org/2000/01/rdf-schema#label |
electron gun
|
| gptkbp:inventedBy |
20th century
|
| gptkbp:operates |
thermionic emission
field emission |
| gptkbp:output |
focused electron beam
|
| gptkbp:powerSource |
electricity
|
| gptkbp:relatedTo |
vacuum tube
electron optics |
| gptkbp:usedIn |
gptkb:television
gptkb:electron_microscope vacuum tube oscilloscope |
| gptkbp:bfsParent |
gptkb:vacuum_tube
gptkb:The_Electron gptkb:electron_microscope |
| gptkbp:bfsLayer |
5
|