Patent · US Expired

Enhancement of electromagnetic barrier properties

US5211997A · kind A · utility

5Cited by
7References
18Claims
0Family size

Inventors

Key dates

Filing dateJan 29, 1990
Grant dateMay 18, 1993
Priority date
Expiry dateJan 29, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24999
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A structure exhibiting enhanced barrier properties is disclosed and which comprises: PA0 a substrate, PA0 a metallic coating formed by vaporization and condensation upon said substrate, said metallic coating having a thickness of about 400A, and PA0 a plurality of sets of embossed patterns upon said coating, said plurality of sets of embossed patterns each having a line density between 100 and 50,000 lines per square centimeter, and method of making the structure.

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