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Electron beam lithography and pattern transfer on membrane grids for transmission electron microscopy

We describe a fabrication process for electron beam lithography (EBL) and the following pattern transfer steps on transmission electron microscope (TEM) grids. For demonstration purposes, we use commercial off-the-shelf TEM grids consisting of a thin suspended silicon nitride membrane on a silicon frame supporting substrate. For the pattern transfer, we demonstrate both an additive patterning technique with metal deposition and lift-off, and a subtractive patterning technique with reactive ion etching. This process could enable direct ...

Version
Version 1.1
Date
2 weeks, 5 days ago
Lab
EPFL - LPQM
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