Deep-Brain Targets: Vector Arrays
NeuroNexus Product Manual
Document Title: Vector Arrays
Document Number: NN-MAN-2025-003
Version: 1.0
Date: March 16, 2025
Author: NeuroNexus Technical Support Team
Revision History: N/A (Initial Release)
Status: Approved for Publication
Intended Audience: Researchers conducting neural recording, stimulation, and/or optogenetics using Vector Arrays
Application Area: Electrophysiology techniques, electrodes, micro-scale neural interfaces, brain-computer interfaces
For Research Use Only: This document is intended exclusively for non-clinical, research applications and is not suitable for human or veterinary medical use.
Associated Resources:
The Vector ArrayTM is optimized for deep brain applications, utilizing NeuroNexus micro electrode technology to record and stimulate in high resolution in hard-to-reach structures. Vector ArraysTM are compatible with NaN and Narishige drives.
Key Advantages:
- Deep Brain Access: Designed with implantable lengths up to 110 mm, suitable for large animal models.
- High Resolution: Configurable in 16, 32, or 64 channels, featuring precise electrode geometry and contact density.
- Versatile Application: Suitable for both acute and chronic experiments.
- Optogenetic Compatibility: Integrated options for optical fiber placement allow for optogenetic research.
- Robust Hybrid Assembly: Combines silicon multichannel electrode arrays with rigid stainless-steel support bodies, enhancing durability and reducing tissue damage.
- Cost-Efficient: Offers a low cost per use, providing excellent value and increased data yields.
- Reusable and Durable: Designed for repeated experiments, maintaining recording quality with proper care.
Technical Specifications:
- Electrode Site Material: Iridium
Site Area: 177 µm²
Channel Counts: Available in 16, 32, or 64 channels
Total Probe Length: 70 mm or 110 mm
Silicon Electrode Length: 10 mm
Electrode Width:
- Minimum: 20 µm (Edge design), 75 µm (Poly2 design)
Maximum: 175 µm
Electrode Thickness: 50 µm
Support Body Diameter:
- 315 µm (16-channel arrays)
- 400 µm (32- and 64-channel arrays)
- Site Coverage: 375 µm - 6300 µm, depending on design
Available Packages:
- V16, V32, V64, VC16, VC32, VC64, VZ16, VZ32, VZC16, VZC32, OV16, OV32
The Chronic Vector Array™ is a design enabling access to deep brain structures (> 10 mm deep) for chronic applications.
Chronic Vector Arrays™ can be configured with implantable lengths from 30 - 55 mm. Please factor in implantation hard- ware (clamps, etc.) when configuring your probe.
Optical Fiber Options (Inner Diameter/Outer Diameter/Numerical Aperture):
- 50 µm/62.5 µm, 0.22 NA (etched)
- 105 µm/125 µm, 0.22 NA (standard)
- 200 µm/220 µm, 0.22 NA
- 200 µm/225 µm, 0.39 NA
- 400 µm/425 µm, 0.39 NA
- 50 µm/62.5 µm, 0.66 NA
- 105 µm/125 µm, 0.66 NA
- 200 µm/220 µm, 0.66 NA
Compatible Chambers and Drives:
- pDrive Chronic Primate Microdrive
- NaN and Narishige drives
