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Disc Punch

The Gatan Disc Punch is a TEM disc cutter for cutting Transmission Electron Microscope discs from metals, alloys and ductile materials.


Samples are protected from compression

With a unique piston-rim design.

Sharp cut edges

And easy to remove punched discs.

Strong metal base

For long term use.

3mm diameter discs

With thicknesses of 10 µm to over 100 µm.


  • Sample protected from compression, with unique piston-rim design
  • Sharp cut edge and easy to remove punched discs, with exact fit cutting and support pistons.
  • Strong and rigid for long term precision and reliability.
  • Easy to see and remove punched area/disc. 
  • Fast, single motion multiple punching.

Cut specimen discs 3mm in diameter, with thicknesses of 10 µm to over 100 µm, ready for TEM analysis.


Suitable for a Variety of Materials

The Disc Punch has been tested on the following materials, punching repeatedly with little or no mechanical distortion:

  • Membrane filter – 10 μm thick
  • Aluminum foil – 20 μm thick
  • Copper foil – 50 μm thick
  • Paper – 100 μm thick
  • Razor blade – 230 μm thick
  • Aluminum sheet – 400 μm thick


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