Patent · US Expired

3D checkerboard perforation pattern for increased shielding effectiveness

US7442882B2 · kind B2 · utility

4Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 2006
Grant dateOct 28, 2008
Priority date
Expiry dateMay 22, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An improved electromagnetic radiation (EMR) shield that has minimal airflow resistance is presented. The EMR shield includes: a base plate; and plurality of columns that project away from the base plate, wherein each of the columns has a first end that is attached to the base plate, a second end that is distal to the base plate, and a side surface that has at least one side hole therein.

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