Patent · US Active

Semiconductor integrated circuit device and dummy pattern arrangement method

US7772070B2 · kind B2 · utility

11Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2007
Grant dateAug 10, 2010
Priority date
Expiry dateFeb 20, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/60

Abstract

A semiconductor integrated circuit device according to an embodiment of the present invention includes a functional circuit region including a functional circuit, a dummy region formed in a region other than the functional circuit region, and plural dummy MOSFETs formed in a dummy region and having a dummy gate electrode on a dummy diffusion layer, the plural dummy MOSFETs being arranged such that date rates of the dummy diffusion layer and dummy gate electrode are kept constant in a predetermined section.

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