Patent · US Active

Cluster tool and method using the same

US11177150B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2019
Grant dateNov 16, 2021
Priority date
Expiry dateDec 25, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/68707
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method includes transferring a wafer into a first process chamber of a cluster tool; performing a first process to the wafer in the first process chamber; transferring the wafer from the first process chamber to a second process chamber of the cluster tool after performing the first process; cleaning the first process chamber; performing a second process to the wafer in the second process chamber during cleaning the first process chamber.

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