Patent ID: 7857571
Filing Date: 2010-12-28
Classification: H01L

Abstract:
1. An apparatus for manufacturing flat panel displays, comprising: a cassette to accommodate a plurality of substrates; a stocker in which the cassette is loaded; a process progressing unit to receive the respective substrates in the cassette and to perform a process; a loader having at least two hands and disposed between the stocker and the process progressing unit to receive and supply the respective substrates accommodated in the cassette on the stocker to the process progressing unit; and at least one withdrawing unit to withdraw and supply the respective substrates from the cassette to at least one of the hands in the loader, wherein the stocker includes shelves on which the cassette is loaded and an elevator for elevating the shelves and a supporting unit to support the elevation of the shelves, wherein the supporting unit has linear motion guides to support four corners of the shelves, wherein the respective hands of the loader comprise at least one suctioning unit to suction the substrate loaded thereon, wherein the suctioning unit includes a vacuum holes penetrating the upper sides of the respective hands, a vacuum pump to generate an air suctioning force and a vacuum passageway to transmit the air suctioning force to the vacuum holes, wherein the withdrawing unit includes a frame provided adjacent to each lower side of the shelves of the stocker, at least one rolling unit installed in the upper side of the frame to roll and a driving unit to roll the rolling unit, wherein each rolling unit includes a plurality of rollers installed on the upper side of the frame, wherein the plurality of rollers are provided along the longitudinal direction of the frame, wherein the driving unit of the withdrawing unit serves as a driving motor to drive at least some of the plurality of rollers on its respective rolling unit, wherein the supporting unit further includes guide brackets formed on the four corners of the shelve, wherein each linear motion guide passes through each guide bracket.