Patent · US Expired

Processing system for object to be processed

US6729823B2 · kind B2 · utility

13Cited by
10References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 2001
Grant dateMay 4, 2004
Priority date
Expiry dateSep 24, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67772
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A processing system for an object to be processed has a housing defining a closed space. The housing is provided with an opening through which an airtight carrying box is carried in and carried out. The carrying box hermetically contains the object to be processed. A lid operating mechanism for opening and closing the lid of the carrying box is disposed near the opening. A contamination preventing duct covers a space around the lid of the carrying box and supplies a clean gas of a high cleanliness therein at least when the lid of the carrying box is opened.

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