Patent ID: 9656368
Date: 2017-05-23
CPC Classifications: B23Q,B24B,B25B,B65G,H01L

Claim:
1. A device for gripping a substrate without contact comprising: a housing cap in which a nozzle disposed in an inner hollow space of the housing cap, wherein the nozzle has an inclined surface such that a width of the nozzle gradually decreasing in a direction from an undersurface of the nozzle to an upper surface of the nozzle, the undersurface of the nozzle being formed at a predetermined distance from an inner surface of the housing cap; and an ultrasonic shaker which applies ultrasonic vibration to the housing cap, wherein the housing cap has a protruding portion which is formed at an upper position than the undersurface of the housing cap, wherein the protruding portion is formed in a horizontal direction from sides of the housing cap.