Publication

Dynamic Stencil Lithography

2006
Student Projects

Abstract

Recent developments are going towards miniaturized devices and structures. Besides advanced photolithography techniques, complementary patterning methods are evolving. Among them is the nanostencil technique. This technique is about defining patterns under vacuum by evaporation of metal through stencil apertures. Such a stencil can be used either in static or dynamic mode. The latter allows overcoming the limitations of static deposition and in particular offers the possibility to make custom defined structures, for example three dimensional and closed loop structures. The goal of this Master Project is to develop a setup that allows dynamic definition of micro- and nanometer sized structures by means of stencil lithography.

Official source

https://infoscience.epfl.ch/entities/publication/641f6d24-074e-460e-a074-399b9265f4bf

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2006
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/641f6d24-074e-460e-a074-399b9265f4bf

About this result

Related concepts (26)

Nanolithography

Nanolithography (NL) is a growing field of techniques within nanotechnology dealing with the engineering (patterning e.g. etching, depositing, writing, printing etc) of nanometer-scale structures on various materials. The modern term reflects on a design of structures built in range of 10−9 to 10−6 meters, i.e. nanometer scale. Essentially, the field is a derivative of lithography, only covering very small structures. All NL methods can be categorized into four groups: photo lithography, scanning lithography, soft lithography and other miscellaneous techniques.

Screen printing

Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil. A blade or squeegee is moved across the screen to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact. This causes the ink to wet the substrate and be pulled out of the mesh apertures as the screen springs back after the blade has passed.

Printing

Printing is a process for mass reproducing text and images using a master form or template. The earliest non-paper products involving printing include cylinder seals and objects such as the Cyrus Cylinder and the Cylinders of Nabonidus. The earliest known form of printing as applied to paper was woodblock printing, which appeared in China before 220 AD for cloth printing. However, it would not be applied to paper until the seventh century.

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Dynamic Stencil Lithography

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