Patent ID: 9663314
Date: 2017-05-30
CPC Classifications: B05D,B65G,B65H,C23C,Y10S

Claim:
1. A substrate transferring unit comprising: a plurality of first transferring rolls making contact with a first surface of a substrate, each of the first transferring rolls including a first central portion charged with a positive electric charge and a first outer portion surrounding the first central portion; a plurality of second transferring rolls making contact with the first surface of the substrate and disposed alternately with the first transferring rolls, each of the second transferring rolls including a second central portion charged with a negative electric charge and a second outer portion surrounding the second central portion; a first signal line commonly connected to the first transferring rolls to charge the positive electric charge to the first transferring rolls; and a second signal line commonly connected to the second transferring rolls to charge the negative electric charge to the second transferring rolls.