Patent ID: 8863957
Filing Date: 2014-10-21
Classification: B28D,B65G,H01L

Abstract:
1. A wafer separation apparatus comprising: a cassette configured to vertically accommodate therein a large number of single wafers in intimate contact with each other, the cassette being at least vertically opened; a cassette support configured to removably support the cassette, the cassette support being at least vertically opened; a hoisting unit configured to hoist and lower the cassette support integrally with the cassette; a liquid bath configured to accommodate a liquid thereinside into which the cassette support is immersed integrally with the cassette when the hoisting unit descends; a nozzle provided in the inside of the liquid bath for issuing micro bubbles from an underside of the cassette support toward a large number of the wafers; and a micro bubble generator configured to generate micro bubbles to be issued from the nozzle.