Patent · US Expired

Cathode sputtering apparatus

US4090941A · kind A · utility

12Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 18, 1977
Grant dateMay 23, 1978
Priority date
Expiry dateMar 18, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Methods and apparatus for depositing a coating material on an underlying substrate are disclosed. Cathode sputtering techniques for rapidly depositing a relatively thick coating on a substrate having a complex geometry are developed. The apparatus employed includes a sputtering chamber formed between a center, post cathode and a hollow, cylindrical cathode. In one embodiment a magnetic field is imposed upon the sputtering chamber to concentrate the sputtered coating material in a preferred region.

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