Grids · ECoG Series
ECoG 32-Channel Grid
Polyimide substrate that follows the cortical surface — epidural or subdural, 4 to 256 sites
A thin polyimide film that lies on the cortical surface and follows its curvature and movement, carrying small sites that read a local patch at high impedance, on a long cable for routing to the connector. Among the 56 grid designs in the design space it is in the lower quartile: 32 sites (a common choice — 16 of 55), a 0.78 mm site-array span (11th percentile), 23 sites/mm² (88th percentile) and a 1.46 mm³ neural interface (11th percentile).
Orders as a grid-plus-package assembly, in 6 package configurations, 3 of them microdrive-compatible. Polyimide 12 µm thick. 25 mm cable. Research use only.
SKU grd_cog--e32_250_cl25_30_pml · Grids in the webstore
Specifications
| Channels | 32 |
|---|---|
| Site layout | Grid |
| Site area | 707 µm² |
| Span | 780 µm |
| Substrate | Polyimide |
| Site material | Platinum |
| Thickness | 12 µm |
| Site geometry | Estimated from the catalog drawing and similar designs |
| Neural interface volume | 1.459 mm³ (higher than 11% of 56 designs) |
| Site coverage density | 23.0 sites/mm² (higher than 88% of 56 designs) |
| Brain coverage density | 21.9 sites/mm³ (higher than 89% of 56 designs) |