Patent · US Expired

Wafer transfer apparatus

US7611182B2 · kind B2 · utility

16Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2005
Grant dateNov 3, 2009
Priority date
Expiry dateFeb 25, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S414/141
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A wafer transfer apparatus may include a robot arm unit configured to be operated by a driving means, a blade configured to support a wafer and having a fix finger at a first end, and a clamping member attached to the robot arm. The clamping arm may also include a movable finger configured to hold a peripheral edge of the wafer, and a moving pusher attached to the movable finger and configured to guide the movable finger and the wafer on the blade towards the fix finger.

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