Patent · US Active

Substrate transport apparatus

US11894252B2 · kind B2 · utility

0Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 2023
Grant dateFeb 6, 2024
Priority date
Expiry dateFeb 21, 2043

Classification

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

Abstract

A transfer apparatus including a frame, multiple arms connected to the frame, each arm having an end effector and an independent drive axis for extension and retraction of the respective arm with respect to other ones of the multiple arms, a linear rail defining a degree of freedom for the independent drive axis for extension and retraction of at least one arm, and a common drive axis shared by each arm and configured to pivot the multiple arms about a common pivot axis, wherein at least one of the multiple arms having another drive axis defining an independent degree of freedom with respect to other ones of the multiple arms.

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