Patent · US Active

Membrane diffuser for a substrate container

US11610795B2 · kind B2 · utility

2Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2019
Grant dateMar 21, 2023
Priority date
Expiry dateAug 2, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67386
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Purge diffusers for use in systems for transporting substrates include: i) a purge diffuser core having an internal purge gas channel, one or more diffuser ports and an outer surface; ii) filter media secured to the outer surface of the purge diffuser core; and iii) a purge port connector for mounting the purge diffuser to a purge port of a substrate container for transporting substrates. The purge diffuser core may be a unitary article, may be formed by injection molding, and may include diverters internal to the internal purge gas channel.

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