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Standard Probes

Site Layouts

Below are examples of different types of microelectrode array tips you can find in our catalog.

Site Layouts2 1

Linear microelectrode arrays are the foundation for multi-channel recordings. The laminar design allows for a longer area of coverage than a single tip site, and either facilitates or replaces the need for passage-type experiments. Linear microelectrode arrays fit the widest range of applications.


Site Layouts2 2

Edge sites are similar to the Linear layout, but the microelectrode sites are strategically positioned at the edge of the substrate.


Site Layouts2 3

A tetrode is an arrangement of four microelectrode sites placed close together, allowing for high-quality cell discrimination in recordings.


Site Layouts2 6-02

Polytrode microelectrode site layouts come in two variations: Poly2 (two columns of sites), and Poly3 (three columns of sites, shown above). They have a mix of linear and tetrode benefits, with sites close enough together to allow a degree of multiple representation across different sites, while sampling a larger space.


Site Layouts2 5

Multi-shank microelectrode arrays provide a two-dimensional representation of the brain. By controlling shank and site spacing, a more detailed understanding of a larger space in the brain can be obtained. Some multi-shank designs incorporate tetrode and polytrode site arrangements.

Specifications - Standard Probes

Electrode Site Material Iridium (standard), Platinum (custom), Gold (custom)
Electrode Thickness 15 µm or 50 µm
(varies by design)
Electrode Length 2, 3, 4, 5, 6, 10, 15 mm
(varies by design)
Channel Count 8, 16, 32, 64, 128, 256
(varies by design)

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Custom Design Portfolio

See what other researchers are doing with Custom Design probes.