UTAH array Twenty years of R&D and field-testing of the Utah Array have yielded proven, well-documented technology for obtaining stable, long-term neural recordings of action potentials and field potentials in brain and peripheral-nerve tissue.

The benchmark for multichannel, high-density neural recording

The Utah Array has become the industry benchmark for recording large populations of neurons. Over the past two decades, this patented microelectrode array technology has undergone numerous refinements and repeated validations in a variety of species including humans, monkeys, birds, rodents, felines and fish—both in-vitro and in-vivo.

These extensive efforts have delivered proven, well-documented methods to obtain stable and long-term neural recordings of action potentials (spikes) and local field potentials in brain and peripheral-nerve tissue. Because the array can be wired to various connector types, researchers can choose a connector that is optimal for chronic or acute recordings—from small to large subjects as well as from slice and cell culture preparations.

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Utah Array features & benefits

  • High-density, multichannel configuration
  • Up to 256 electrodes in various configurations
  • Customizable designs in terms of pitch, length and pass-throughs
  • High-quality neural recordings accessible immediately after implantation
  • Floating neural interface
  • Sterilizable
  • Excellent stability in acute and chronic applications
  • Microstimulation-capable
  • Various connector options are available

Utah Array example applications

Electrical recording and stimulation of:

  • Motor cortex
  • Sensory cortex
  • Spinal cord
  • Peripheral nerve fibers

Utah Array selection guide

  • ICS-96 array (acute: small or large animal, slice)
  • CerePort array (chronic: large animal)
  • Omnetics array (acute: small or large animal, slice)

Dimensions, configuration and mounting

Connector Style Connection Dimensions Implant Type Skull Mount
CerePort 16.5 mm (H) chronic bone screws
19 mm (d base)
11 mm (d body)
ICS-96 18 mm (H) acute NA
17 mm (W)
37 mm (L)
Omnetics 9 mm (H) chronic dental acrylic
7 mm (W)
13 mm (L)

A complete High-Channel-Count Primate Setup from Blackrock Microsystems

High-Channel-Count Primate Setup

Utah Array setups

Brain-Machine Interface (BMI)
High-channel-count primate
Wireless primate

Pneumatic inserter
Electrode array insertion system for the Utah array.

The Blackrock pneumatically actuated inserter implants microelectrode arrays into brain, spinal cord and peripheral-nerve tissue. Its high-speed, momentum-impulse insertion mechanism facilitates complete array implantation with minimal tissue damage. Adjustable insertion speed and implantation depth allows researchers to optimize device settings for different electrode configurations and tissue preparations.

Key features

  • High-speed pneumatic insertion
  • Adjustable implantation depth
  • Minimal tissue insult
  • In-vivo or in-vitro preparations
  • Sterilizable

Utah Array specifications

Channel count Up to 128 active electrode channels
Electrode site metal options Platinum (~400 kΩ @ 1 kHz)
Iridium oxide (~50 kΩ @ 1 kHz)
Reference and ground Ground source and selectable reference wires
Insulation Parylene-C
Standard electrode lengths 0.5 mm – 1.5 mm (Research) 1.0 – 1.5 mm (Clinical)
Standard electrode pitch 400 μm
MultiPort option 1 to 4 arrays per connector
Wire bundle 25 μm Pt/Au lead wires between electrode array and connector
Wire bundle length 20 mm to 130 mm length potted with medical-grade silicone elastomer


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