Patent · US Expired

Apparatus for controlling the impedance of high speed signals on a printed circuit board

US5986893A · kind A · utility

33Cited by
7References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 1998
Grant dateNov 16, 1999
Priority date
Expiry dateMay 21, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2201/10689
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to the placement of signal traces on a two-sided printed circuit board such that impedance of the traces is controlled and so that the number of power and ground pins required on an integrated circuit are minimized.

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