Patent · US Expired

Semiconductor device

US5066997A · kind A · utility

21Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1989
Grant dateNov 19, 1991
Priority date
Expiry dateNov 15, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device comprises a semiconductor chip and a memory array constituted by a plurality of memory blocks formed in the semiconductor chip and each having the essentially same construction and a plurality of bit lines arranged in columns at a predetermined interval. The semiconductor device further comprises a dummy wiring pattern arranged ajacent to the memory array in the semiconductor chip and including a dummy wiring layer set apart from outermost bit lines of each memory block a distance equal to the predetermined interval.

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