Patent · US Active

Polar polydimethysiloxane molds, methods of making the molds, and methods of using the molds for pattern transfer

US8734708B2 · kind B2 · utility

0Cited by
32References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 2008
Grant dateMay 27, 2014
Priority date
Expiry dateMar 26, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/46
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A method includes the steps of (I) fabricating a cured silicone product and (II) using the cured silicone product in a patterning technique. The cured silicone product is a reaction product of (A) a silicone cure package and (B) is a polar additive having a polyalkylene oxide functionality and a reactive functionality. The method is useful in soft lithography applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.