Time Crystal Emitter · Bill of Materials (BOM)#

| Group | Item | Notes | | Resonance Substrate | Thin‑film ferromagnet sample | RF‑driven magnon layer, MOKE compatible | | Resonance Substrate | Josephson junction array (LN2‑class) | Accessible superconducting oscillator | | Chamber | Optical‑grade transparent housing | Supports MOKE / laser access | | Chamber | Modular resonator mounts | Swap ferromagnet / JJ modules | | Chamber | EM shielding (mu‑metal or equivalent) | Reduces external interference | | Actuation | RF signal generator | Drives ferromagnet / JJ oscillations | | Actuation | Piezo stack or actuator | Mechanical / force channel | | Actuation | Small electromagnets / coils | Local field modulation | | Actuation | Acoustic transducer (optional) | Fluids/fields perturbation channel | | Sensing | MOKE optical setup (laser + detector) | Thin‑film ferromagnet readout | | Sensing | SQUID magnetometer (or equivalent) | Superconducting circuit readout | | Control & Logging | DAQ / oscilloscope / digitizer | Time‑series capture | | Control & Logging | Host machine with RTT‑Inside stack | Converts signals → RTTcode packets | | Safety & Support | Cryogenic handling gear (for JJ arrays) | LN2 or appropriate cryogen | | Safety & Support | Laser safety eyewear & beam enclosures | For MOKE / optical diagnostics | | Safety & Support | RF shielding and grounding hardware | Prevents leakage and noise |

RTT‑Inside note:
Each logged experiment should include a corresponding RTTcode packet with experiment.experiment_id, seed, trial, and provenance fields populated for deterministic replay.