Patent · US Expired

Object which has optical layers

US6918676B2 · kind B2 · utility

0Cited by
14References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 2003
Grant dateJul 19, 2005
Priority date
Expiry dateAug 8, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2323/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The invention relates to a process for producing an object which has optical layers. According to the invention such a process comprises the following process steps: To a substrate of plastic material several optical layers are applied; the optical layers are applied by means of a chemical plasma-impulse vaporization (PICVC).

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