Patent · US Expired

Cleaning apparatus

US6386466B1 · kind B1 · utility

65Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 2000
Grant dateMay 14, 2002
Priority date
Expiry dateApr 11, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67092
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A cleaning apparatus includes a nozzle having an ejection port, a cleaning liquid path communicating with the ejection port, and a compressed gas path communicating with the ejection port. The cleaning apparatus further includes a cleaning liquid feeding component for feeding a cleaning liquid to the cleaning liquid path, and a compressed gas feeding component for feeding a compressed gas to the compressed gas path. The compressed gas is ejected from the ejection port through the compressed gas path, while the cleaning liquid is ejected from the ejection port through the cleaning liquid path.

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