This is the long-term catalog: not companies, but the actual devices (arrays, films, stents, noninvasive stacks, packaging approaches).
All devices
01 — Utah Microelectrode Array (UEA)
Intracortical — A 10×10 silicon intracortical microelectrode array (typically 96 wired channels): excellent spikes early, but challenging chronic stability.
02 — Neuralink N1 (device brief)
Intracortical — Neuralink’s fully implanted, wireless, flexible-thread intracortical system: a high-channel bet on surgical robotics + packaging, with chronic stability still an open question.
03 — Stentrode (Synchron)
Endovascular — A fully implanted endovascular BCI: a stent-electrode array in the superior sagittal sinus recording ECoG-like signals, trading spikes for catheter-based deployment.
04 — Neuropixels Probe
Intracortical — A CMOS silicon intracortical probe family (Neuropixels v1/v2): extremely high-density, low-noise spike recording for animal research; not a chronic human implant.
05 — Utah Slanted Electrode Array (USEA)
Peripheral nerve — A penetrating intrafascicular peripheral-nerve array with 100 slanted silicon shanks for high selectivity; enables bi-directional recording/stimulation in human amputees, but with chronic tissue response and percutaneous burden.
06 — TIME (Transverse Intrafascicular Multichannel Electrode)
Peripheral nerve — A flexible thin‑film intrafascicular peripheral nerve interface inserted transversely through a nerve to access multiple fascicles, trading surgical complexity for selectivity.