Tungsten Metal Micro Electrodes

Tungsten Metal Micro Electrodes

These tungsten metal micro electrodes are ideal for a multitude of applications including single- and multi-unit studies, stimulation, lesioning, and evoked response studies. Tungsten is the most versatile and widely used type of probe. It is ideal for demanding recording situations and most stimulation protocols.

  • Outstanding for extracellular recording and micro-stimulation
  • Unique, precision manufacturing process provides consistent repeatable tip profiles for superior performance
  • Select from 4 metals, 3 styles, and 4 tip profiles to meet almost any application
  • Gold-plated connector pins for superior electrical connections
  • Custom made probes readily available 

Available in three styles:

  • Standard style with 3 mm or 1 mm of Parylene-C insulation on the metal shaft.
  • Standard style with the addition of polymide tubing on the shaft which provides additional reinforcement for easy electrode insertion. The additional insulation also minimizes signal attenuation making this an ideal electrode for deep brain penetrations.
  • Stereotrode/Biopolar style for micro bipolar stimulation. These electrodes are ideal where the current injection needs to be confined to a small, localized part of the nervous system. They are also used for enhanced isolation of single neural elements by simultaneously recording from multiple units of two closely spaced microelectrodes.

Item# Description U.S. List Price Quantity
72-0375 Tungsten Metal Micro Electrode, Stereotrode/Bipolar, 127 mm (5 in) long, Tip Impedance 1 MΩ, pkg. of 10
72-0376 Tungsten Metal Micro Electrode, Stereotrode/Bipolar, 127 mm (5 in) long, Tip Impedance 1.5 MΩ, pkg of 10
72-0377 Tungsten Metal Micro Electrode, Stereotrode/Bipolar, 127 mm (5 in) long, Tip Impedance 0.5 MΩ, pkg. of 10
72-0379 Tungsten Metal Micro Electrode, Additional Polymide, 127 mm (5 in) long, Tip Impedance 1 MΩ, pkg. of 10
72-0384 Tungsten Metal Micro Electrode, Parylene Coated, 127 mm (5 in) long, Tip Impedance 1 MΩ, General Tip, pkg. of 10
72-0386 Tungsten Metal Micro Electrode, Parylene Coated, 127 mm (5 in) long, Tip Impedance 0.5 MΩ, Bullet Tip, pkg. of 10
72-0392 Tungsten Metal Micro Electrode, Additional Polymide, 76 mm (3 in) long, Tip Impedance 1 MΩ, pkg. of 10
72-0393 Tungsten Metal Micro Electrode, Additional Polymide, 76 mm (3 in) long, Tip Impedance 5 MΩ, pkg. of 10
72-0394 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 2 MΩ, Shaft diameter 254 µm, pkg. of 10
72-0395 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 2 MΩ, Shaft diameter 127 µm, pkg. of 10
72-0396 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 1.5 MΩ, Shaft diameter 127 µm, pkg. of 10
72-0397 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 1 MΩ, Shaft diameter 254 µm, pkg. of 10
72-0398 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 1 MΩ, Shaft diameter 127 µm, pkg. of 10
72-0399 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 0.5 MΩ, Shaft diameter 254 µm, pkg. of 10
72-0400 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 0.5 MΩ, Shaft diameter 127 µm, pkg. of 10
72-0401 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 0.1 MΩ, Shaft diameter 254 µm, pkg. of 10
72-0402 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 5 MΩ, Extra Fine Tip, pkg. of 10
72-0403 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 2 MΩ, Extra Fine Tip, pkg. of 10
72-0404 Tungsten Metal Micro Electrode, Parylene Coated, 76 mm (3 in) long, Tip Impedance 1 MΩ, Extra Fine Tip, pkg. of 10
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These tungsten metal micro electrodes are ideal for a multitude of applications including single- and multi-unit studies, stimulation, lesioning, and evoked response studies. Tungsten is the most versatile and widely used type of probe. It is ideal for demanding recording situations and most stimulation protocols.

  • Outstanding for extracellular recording and micro-stimulation
  • Unique, precision manufacturing process provides consistent repeatable tip profiles for superior performance
  • Select from 4 metals, 3 styles, and 4 tip profiles to meet almost any application
  • Gold-plated connector pins for superior electrical connections
  • Custom made probes readily available 

Available in three styles:

  • Standard style with 3 mm or 1 mm of Parylene-C insulation on the metal shaft.
  • Standard style with the addition of polymide tubing on the shaft which provides additional reinforcement for easy electrode insertion. The additional insulation also minimizes signal attenuation making this an ideal electrode for deep brain penetrations.
  • Stereotrode/Biopolar style for micro bipolar stimulation. These electrodes are ideal where the current injection needs to be confined to a small, localized part of the nervous system. They are also used for enhanced isolation of single neural elements by simultaneously recording from multiple units of two closely spaced microelectrodes.

All of the microelectrodes are sharpened electrochemically and their tips are individually exposed under a microscope. Each is inspected to assure reproducible tip exposures and profile.

Specifications72-037572-037672-037772-037972-038472-038672-039272-039372-039472-039572-039672-039772-039872-039972-040072-040172-040272-040372-0404
Electrode StyleStereotrode/BipolarStereotrode/BipolarStereotrode/BipolarAdditional PolymideParylene CoatedParylene CoatedAdditional PolymideAdditional PolymideParylene CoatedParylene CoatedParylene CoatedParylene CoatedParylene CoatedParylene CoatedParylene CoatedParylene CoatedParylene CoatedParylene CoatedParylene Coated
Insulation Thickness3 3 3 3 3 3 3 1 3 3 3 3 3 3 3 3 1 1 1
Length (English)5 in5 in5 in5 in5 in5 in3 in3 in3 in3 in3 in3 in3 in3 in3 in3 in3 in3 in3 in
Length (Metric)127 mm127 mm127 mm127 mm127 mm127 mm76 mm76 mm76 mm76 mm76 mm76 mm76 mm76 mm76 mm76 mm76 mm76 mm76 mm
Shaft Diameter127 127 127 127 127 127 127 127 127 127 127 254 127 254 127 254 127 127 127
Tip Impedance1 M ohms1.5 M ohms0.5 M ohms1 M ohms1 M ohms0.5 M ohms1 M ohms5 M ohms2 M ohms2 M ohms1.5 M ohms1 M ohms1 M ohms0.5 M ohms0.5 M ohms0.1 M?5 M ohms2 M ohms1 M ohms
Tip ProfileGeneralGeneralGeneralGeneralGeneralBulletGeneralX-FineGeneralGeneralGeneralGeneralGeneralGeneralGeneralGeneralX-FineX-FineX-Fine
Type of MetalTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungstenTungsten