Patent · US Expired

Concentric proximity processing head

US6954993B1 · kind B1 · utility

35Cited by
26References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 2004
Grant dateOct 18, 2005
Priority date
Expiry dateJun 30, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/6708
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

In one of the many embodiments, a method for processing a substrate is disclosed which includes generating a first fluid meniscus and a second fluid meniscus at least partially surrounding the first fluid meniscus wherein the first fluid meniscus and the second fluid meniscus are generated on a surface of the substrate.

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