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Soft Lithography

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Microcontact Printing: Self Assembled Monolayers<br />

Micropatterned<br />

PDMS stamp<br />

Inking<br />

Solution of alkanethiols<br />

in ethanol<br />

Print self-assembled<br />

monolayers as masks for<br />

micro-patterning metal<br />

substrates outside the<br />

cleanroom<br />

Drying,<br />

printing<br />

Removal of<br />

the stamp<br />

Inked stamp<br />

Metal substrate<br />

(Au, Ag, Cu, Pd...)<br />

SAM<br />

Selective<br />

etch<br />

SAM = Self-assembled monolayer<br />

Micropatterned<br />

substrate<br />

23

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