Patent · US Expired

Method for forming hemispherical grained silicon

US5634974A · kind A · utility

68Cited by
4References
74Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1995
Grant dateJun 3, 1997
Priority date
Expiry dateNov 3, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S438/964
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of forming HSG is disclosed, in which a layer of starting material is formed on a wafer, the layer of starting material is seeded with a species and the seeded layer is annealed. The seeding and annealing steps can be performed under different conditions and can be varied independently of each other.

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