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DISC containing DATA in CD such as DVD and Bluelay Disc is getting developed and we can store and use data with discs. However, the format of CD can be easily damaged by its problem of form, and though there are CD cases and CD storing furniture, but data would be easily damaged. Of such data damages, most serious cause is the scratch to CD. we suggest a design to prevent such scratch.
when laptop CDRom reads CD,if you look closely, you can see the axis for rotating CD. Since its height is higher than that of CD,it has marginal space.
Since it can change the form depending on that of material,it can solve the problems suggested by us.
suwon, South Korea
Siheung-si, South Korea
lee, jae hoon hong, kyung soo park, jae hyun