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Soft Lithography

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Properties of PDMS<br />

Liquid pre-polymer<br />

High thermal stability<br />

High chemical stability<br />

[ Easy molding<br />

[ Use at high temperature<br />

[ Use with acids and bases<br />

Transparent for UV/VIS [ To visualize experiments<br />

Solvents swell PDMS (exceptions: Methanol, Ethanol, Isopropanol…)<br />

Slow thermal curing (a few hours) is undesirable when translating<br />

from conceptual prototype to commercial product<br />

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