Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
voltage standard
|
| gptkbp:adoptedBy |
gptkb:National_Institute_of_Standards_and_Technology
gptkb:Bureau_International_des_Poids_et_Mesures |
| gptkbp:basedOn |
gptkb:Josephson_effect
|
| gptkbp:developedBy |
gptkb:Brian_D._Josephson
|
| gptkbp:enables |
volt realization with uncertainty below 1 part in 10^9
quantum-based voltage reference volt definition in SI system |
| gptkbp:firstDemonstrated |
1972
|
| https://www.w3.org/2000/01/rdf-schema#label |
Josephson voltage standard
|
| gptkbp:operatesIn |
cryogenic temperatures
|
| gptkbp:provides |
highly reproducible voltage
|
| gptkbp:relatedTo |
gptkb:Planck_constant
elementary charge |
| gptkbp:usedFor |
precise voltage calibration
|
| gptkbp:usedIn |
metrology
|
| gptkbp:uses |
microwave radiation
superconducting tunnel junctions |
| gptkbp:bfsParent |
gptkb:Weston_cell
|
| gptkbp:bfsLayer |
8
|