Patent · US Expired

Semiconductor cleaning apparatus and wafer cassette

US5568821A · kind A · utility

16Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 1995
Grant dateOct 29, 1996
Priority date
Expiry dateJul 17, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S134/902
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A semiconductor cleaning apparatus includes a cassette loader/unloader for moving a cassette; a product loader/unloader for loading a wafer into and unloading a wafer from a cassette; a cleaner for cleaning a wafer; a water cleaner for cleaning with water a wafer that has been cleaned in the cleaner; a dryer for drying the wafer that has been cleaned with water in the water cleaner; and a conveyance having a wafer grasping hand for directly holding a wafer unloaded from a cassette and sequentially conveying the wafer held by the wafer hand to the cleaner, the water cleaner, and the dryer.

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