Soft lithography device and process

Details Soft lithography device and process Soft lithography device and process

G - Physics

01

N

G01N 1/28 (2006.01) B81C 1/00 (2006.01)

Patent

CA 2737791

The present technology relates to a device and process for soft lithography by micro--contact printing using a flexible stamp to make a structured deposit of molecules on a substrate such as a glass plate intended for microscopic observation. It enables a simple and effective control of the application pressure of a stamp or a macro-stamp for soft lithography on the surface of a substrate and makes the automation of the soft lithography process easier by integrating the automatic stamp change into it. Micro-contact printing stamps of the invention preferably comprise a flexible stamp including a layer containing soft ferromagnetic particles. Micro-contact printing apparatuses of the invention preferably comprise a magnetic field generator capable of applying uniform pressure to contact a stamp against a substrate, and further are preferably capable of holding the stamp, contacting the stamp with an inking tank, and changing the stamp.

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