SUBSTRATE CONTAINER HAVING LIMIT STRUCTURE
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
Apr 16, 2013
filing date -
Feb 25, 2013
priority date (Note) -
Abandoned
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Abstract
A substrate container having a limit structure includes a box, at least one limit structure and a door. The limit structure is disposed on a side wall of the box and has a plurality of limit grooves. Each limit groove has a first inclined surface and a second inclined surface. The angle of inclination of the second inclined plane relative to a horizontal plane corresponds to a coefficient of friction between materials of the substrate and the limit structure to lower the friction between the substrate and the second inclined plane of the limit groove, so that the substrate can ascend along the second inclined plane to get into the limit groove for the door to be closed smoothly. Through the limit structure to position the substrate, the present invention can prevent the substrate from shaking in the substrate container.
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