Online Design Form - Opto-MWA

The Opto Microwire Array (Opto-MWA) has been designed to take on many different geometries and electrode/fiber optic layouts for a multitude of experimental protocols. Originally designed for chronic applications the MWAs are equally effective for acute studies as well. The number of contacts, length of each, the impedance and distance between electrodes are all custom designed.
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Contact Information

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General Specifications

Optogenetics - MWA
Optogenetics - MWA
  • E. Epoxy Length below connector.
  • L. Length of wire beyond epoxy.
  • LF. Length of the fiber optic beyond epoxy.
  • R. Receptacle edge - Connector edge distance.
  • Es. Distance between electrodes.
  • HD. Horizontal distance between the edge of the fiber optic and the closest electrodes.

Design Specifications

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Impedance Values per metal type and wire size
Wire Diameter Range
25 µm Platinum Iridium 0.4 to 0.8 MΩ
50 µm Platinum Iridium 0.2 to 0.4 MΩ
25 µm Stainless Steel 0.6 to 0.9 MΩ
50 µm Stainless Steel 0.4 to 0.6 MΩ
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Physical Measurements

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Please select layout
  • Wire diameter 25 µm and 50 µm
  • A. Distance between wires 100 µm to 1 mm
  • B. Distance between wire to fiber optic 100 µm to 1 mm
  • C. Fiber Optic diameter 125 µm or 230 µm
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Horizontal distance from the edge of fiber optic and the closest electrodes
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 Length of the fiber optic beyond epoxy
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Receptacle edge - Connector edge distance
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Connector and Headstage

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Recording Channel Pinout

Channel Pinout Advertence
To ensure your complete satisfaction, MicroProbes for Life Science will provide a photograph and copy of the pin layout mapping and corresponding microelectrodes, including reference and ground, with your shipped order.

Connector pin assignments will reflect connector pin numbers NOT headstage channel numbers

Your custom design and layout sheet

If your requested design cannot be fully described by the questions above, please attach a description here. Make drawing as clear as possible:

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Accessories and Additional Services

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Application Description (Optional)

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About Your Order

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