SILICONE RUBBER MATERIAL FOR SOFT LITHOGRAPHY Russian patent published in 2013 - IPC C08L83/04 C08L83/07 B41N1/12 

Abstract RU 2497850 C2

FIELD: chemistry.

SUBSTANCE: invention relates to silicon rubber-like materials suitable for use in soft lithography. Disclosed is method of making a patterned stamp layer containing a silicone rubber-like material having Young's modulus in the range of from 7 MPa to 80 MPa, said method involving preparing a composition containing at least one functional T-branched and/or Q-branched polysiloxane precursor; adding at least one functional linear polysiloxane to said composition; holding said composition on a standard matrix pattern at a temperature below 100°C until formation of a stamp layer having said pattern in said silicone rubber-like material; and removing the stamp layer from the standard pattern. The invention also discloses a patterned stamp layer made using the disclosed method and a printing device having said patterned stamp layer.

EFFECT: stamp layer made using the disclosed method provides stable image elements, having dimensions in the nanometre range, obtained on a substrate, and also provides matching on uneven and curved surfaces of the substrate.

10 cl, 2 dwg, 1 tbl

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RU 2 497 850 C2

Authors

Verskhjuiren Markus A.

Dates

2013-11-10Published

2009-05-29Filed