Patent · US Expired

Manufacturing method for a semiconductor device

US7192790B2 · kind B2 · utility

5Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 2004
Grant dateMar 20, 2007
Priority date
Expiry dateApr 8, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L22/26
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A manufacturing method for a semiconductor device which is capable of manufacturing the semiconductor device with a high quality in high yields while reducing variations in electric characteristic is disclosed. The manufacturing method according to the present invention includes a main body wafer manufacturing process for manufacturing a wafer on which a semiconductor device to be completed as a product is formed and a monitor wafer manufacturing process for manufacturing a wafer on which a monitor element is formed, the processes sharing a monitoring step alone, the main body wafer manufacturing process including a variation reduction step, the monitor wafer manufacturing process including a quality check step and a condition setting step.

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