Patent · US Expired

Apparatus for ion implantation

US4587432A · kind A · utility

58Cited by
1References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 3, 1984
Grant dateMay 6, 1986
Priority date
Expiry dateAug 3, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J37/3171
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An ion implantation system in which surfaces of ion flight tube and drift tube perpendicular to ion dispersion plane have geometric configuration which precludes sputtering of contaminants onto path through resolving slit.

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