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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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 wires - 0.25mm
  • HD. Horizontal distance between the edge of the fiber optic and the closest wire - 100µm

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 75 µm, 125 µm
  • A. Distance between wires 0.25mm.
  • B. Distance between fiber optic and closet surrounding wire 100µm.
  • C. Fiber Optic diameter 125 µm, 230 µm and 430 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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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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If you will like to discuss any other technical aspect of your design please contact us via email at support@microprobes.com Thank you!
QMF 60a - Digital version - Master with QMS representative
Revision 07-042623