Patent · US Expired

Protected circuit card assembly and process

US5166864A · kind A · utility

81Cited by
5References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 1991
Grant dateNov 24, 1992
Priority date
Expiry dateMay 17, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2201/09872
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Printed wiring board with components thereon is enclosed with a dielectric conformal coating over the printed wiring and the components. Enclosure includes a metal layer over the conformal coating and the ground plane of the card to form a protected circuit card assembly.

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