Patent · US Active

Patterning process

US8858813B2 · kind B2 · utility

1Cited by
25References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 2009
Grant dateOct 14, 2014
Priority date
Expiry dateFeb 3, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/0002
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A patterning process comprises (a) providing at least one substrate having at least one major surface; (b) providing at least one patterning composition comprising at least one functionalizing molecule that is a perfluoropolyether organosulfur compound; (c) applying the patterning composition to the major surface of the substrate in a manner so as to form at least one functionalized region and at least one unfunctionalized region of the major surface; and (d) etching at least a portion of the unfunctionalized region.

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