Discharge Hollow Cathode
AssemblyBarium-oxide impregnated hollow cathode that emits the ampere-level electron current sustaining the discharge, consuming a small internal xenon flow. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Discharge Hollow Cathode
5 top-level lines as of r91267| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | BaO Emitter Insert | ion-thruster-cathode-insert | 1× | 1 | · | part |
| 2 | Cathode Tube | ion-thruster-cathode-tube | 1× | 1 | · | part |
| 3 | Cathode Heater | ion-thruster-cathode-heater | 1× | 1 | · | part |
| 4 | Keeper Electrode | ion-thruster-keeper | 1× | 1 | · | part |
| 5 | Cathode Orifice Plate | ion-thruster-cathode-orifice | 1× | 1 | · | part |