Cassette for ultra-thin glass

A cassette for ultra-thin glass, the cassette comprising:

• a pair of plates spaced apart from each other and facing each other;
• a first support mounted between the pair of plates and comprising a plurality of first mounting grooves that support first sides of sheets of ultra-thin glass;
• and
• a second support mounted between the pair of plates and comprising a plurality of second mounting grooves that support second sides of the sheets of ultra-thin glass, wherein
• each of the plurality of first mounting grooves comprises:
• a first inclined portion inclined toward a middle of the plurality of first mounting grooves;
• and
• a first straight portion extending from the first inclined portion and having a constant width in an axial direction of the first support, and
• the plurality of second mounting grooves and the plurality of first mounting grooves have different shapes or dimensions.