Patent · US Expired

Method of forming a coating film

US7429405B2 · kind B2 · utility

0Cited by
7References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 2003
Grant dateSep 30, 2008
Priority date
Expiry dateDec 1, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C2218/34
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method for forming a coating film at part of a surface of a substrate includes, in sequence, a first step of applying a masking agent having inert particles over part of the substrate through a screen having blocked areas, a second step of depositing the coating film under at least partial vacuum over at least part of the surface covered and not covered by the masking agent, and a third step of removing the masking agent covered by the film with the aid of an aqueous fluid.

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