Substrate cassette with rail connecting groupware

Abstract

Disclosed herein is a substrate cassette having cross-bar connecting units. The substrate cassette basically comprises a bottom frame, a top frame spaced apart upward from the bottom frame by a predetermined distance, a plurality of side frames located between the top frame and the bottom frame to maintain the distance between the bottom and top frames, and one or more cross-bars horizontally secured between the side frames to support substrate thereon. A respective one of the cross-bars has a plurality of supporting protrusion each extending upward from the cross-bar to come into the contact at an upper end thereof with a lower surface of the substrate seated on the cross-bar. Preferably, the upper end of the supporting protrusion is provided with a contact piece to come into contact with the lower surface of the substrate. Such a configuration is effective to substantially prevent generation of cross-bars debris to thereby minimize damage of substrates, and enables the cross-bars to be secured to the cassette from a substrate entering / exiting direction with a high securing operation efficiency. Further, the present invention can obtain a robot arm working space between the cross-bar and a substrate supported on the cross-bar, thereby enabling effective substrate loading using robot arms.

Description

technical field [0001] The present invention relates to a substrate cassette, in particular to a substrate cassette having a crossbar connection assembly, which can substantially prevent the generation of crossbar fragments, and can attach the crossbar with improved fixing operation efficiency. Secured to the cartridge from the in / out direction of the substrate. Background technique [0002] It is well known that semiconductor or glass substrates used in flat panel displays such as plasma display panels (PDP) and liquid crystal displays (LCD) are easily damaged by even small external impacts, therefore, the handling of such substrates requires special attention . [0003] Furthermore, in the manufacturing process of flat panel displays using substrates, minimizing interference with foreign substrates is key to improving product quality. [0004] Such substrates have been manufactured in various sizes relative to the size of the display and are loaded using certain devices ...

AI Technical Summary

Problems solved by technology

[0013] First, since such a conventional rail is formed by preparing a resin panel and cutting the panel into a plurality of components each having a predetermined length and width, there is a problem that the Cutting edges can create a lot of splinters

[0014] Furthermore, fastening the crossbar to the side frame of the cassette becomes a cumbersome task due to the restricted working direction

This can lead to very low productivity

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