Patent · US Expired

Wiring routes in a plurality of wiring layers

US5375069A · kind A · utility

149Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1994
Grant dateDec 20, 1994
Priority date
Expiry dateJan 21, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F30/394
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A wiring processing method for determining a wiring route for connecting terminals includes a step of dividing a wirable region into a plurality of rectangular regions in a virtual region corresponding to a chip, a step of searching a rectangular region for connecting the terminals to be wired by tracing mutually crossings rectangular regions, and a step of determining a detailed wiring route inside the searched rectangular region. Since the search is conducted by use of the rectangular region as a unit, high speed search can be made.

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