Patent · US Expired

Multilayer printed wiring board

US4159508A · kind A · utility

1Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1976
Grant dateJun 26, 1979
Priority date
Expiry dateDec 15, 1996

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/175
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This application discloses a multilayer printed wiring board having a plurality of pattern layers. Said printed wiring board has at least one pair of plated through holes, i.e. a first and a second plated through hole. The first plated through hole is directly connected to said patterns. The second plated through hole is not directly connected to said patterns. An electronic element terminal is connected to said second plated through hole. The first and second plated through holes are electrically connected to each other on a surface opposite an element mounting surface of the printed wiring board.

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