Patent ID: 8196983

Claim:
A substrate attracting device comprising: an attracting body for attracting and holding a substrate to transfer the substrate, wherein the attracting body includes a first attracting unit for attracting and holding a top surface of the substrate according to Bernoulli principle and a second attracting unit for vacuum-attracting and holding a bottom surface of the substrate; wherein the first attracting unit includes a plurality of recess portions formed in a bottom surface of the attracting body and injection holes opened at an inner peripheral surface of each of the recess portions for generating a swirling gas stream within each of the recess portions by injecting a gas into each of the recess portions, wherein contact members for forming a gap between the attracting body and the substrate are provided on the bottom surface of the attracting body so that a horizontal gas stream can be generated in the gap, and wherein the contact members include an elastic material.