Patent · US Active

Electromagnetic radiation shielding device

US8658289B2 · kind B2 · utility

1Cited by

32References

16Claims

0Family size

Assignee

PPG Industries Ohio, Inc. · US

Inventors

Adam D. Polcyn · Pittsburgh, US
John A. Winter · Pittsburgh, US
Michael J. Buchanan · Oil City, US

Key dates

Filing date	Nov 11, 2008
Grant date	Feb 25, 2014
Priority date	—
Expiry date	Nov 11, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31678
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An electromagnetic radiation shielding device includes a first ply having a No. 1 surface and a No. 2 surface and a second ply having a No. 3 surface and a No. 4 surface. The No. 2 surface of the first ply faces the No. 3 surface of the second ply. A first coating having three or more metallic layers is provided over at least a portion of one of the surfaces, such as over at least a portion of the No. 2 surface. A second coating having three or more metallic layers is provided over at least a portion of one or more of the other surfaces, such as over at least a portion of the No. 3 surface.

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