Primary Mirror Segment
AssemblyA 1.32 m hexagonal beryllium mirror, gold-coated for infrared reflectivity, positioned in seven degrees of freedom by actuators so the 18 segments behave as one surface to within tens of nanometres. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Primary Mirror Segment
3 top-level lines as of r161464| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Beryllium Mirror Blank | space-telescope-be-substrate | 1× | 1 | · | part |
| 2 | Hexapod Actuator | space-telescope-hexapod-actuator | 6× | 6 | · | part |
| 3 | Radius-of-Curvature Actuator | space-telescope-roc-actuator | 1× | 1 | · | part |