摘要 |
A cut sheet is a brittle sheet having the side surface cut by a cutting process, which comprises a first cut surface having the side surface cut by a primary cutting process, and a second cut surface cut by a secondary cutting process, and a crack on a boundary part of the first cut surface and the second cut surface. The cut sheet is manufactured by laminating a protection sheet on a base material sheet, manufacturing a cutting laminate sheet by cutting process of two steps, then easily removing the protective sheet by using a protruding part formed on one surface of the cutting laminate sheet. |