Patent · US Expired

Method for forming mosfet

US6274444A · kind A · utility

138Cited by
2References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 10, 1999
Grant dateAug 14, 2001
Priority date
Expiry dateAug 10, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/038

Abstract

A method for forming a MOSFET is described. The feature of this invention is that an epitaxial silicon layer with device isolation structures is formed over a substrate, wherein each device isolation structure is made of oxide. The invention need not etch the substrate for forming a device isolation structure. As a result, the invention not only prevents stress and dislocation generation and avoids leakage current, but also provides an easily method for forming a device isolation structure.

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