Electron Microscopic Stencils
thought i can share something with you expressed your interest in this
before.
the attached image are photographs taken using a microscope. the image
on the left shows the very simple stencil i cut out using focused beam
of electrons in a thin film of plastic. the special thing about this
plastic is that no biological molecules (proteins for examples) and
cells do not like to stick to it. so i cut out the rectangle which