Patent ID: 11942339
Assignee: DISCO CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC H  B | IPC B  H

Claim 0:
1. A sheet attaching apparatus for attaching a sheet to a plate-shaped workpiece to form a sheeted workpiece, the sheet attaching apparatus comprising:
a sheet attaching section that attaches the sheet having an area larger than that of the workpiece to the workpiece; and
a sheet cutting section that cuts off the sheet attached by the sheet attaching section from the workpiece along a periphery of the workpiece,
wherein the sheet cutting section includes
a chuck table that holds the workpiece by a holding surface smaller than the workpiece,
a sheet holding section including sheet holding plates that are movable toward and away from each other, wherein the sheet holding plates detachably hold a peripheral portion of the sheet attached to the workpiece held by the chuck table, and wherein the sheet holding plates are movable between a holding position in which the sheet holding plates hold the peripheral portion of the sheet, and a holding release position in which the sheet holding plates move away from the peripheral portion of the sheet,
a sheet accommodating section that accommodates the sheet cut and dropped due to release of holding by the sheet holding section, and
a cutter of the sheet cutting section that cooperates with a pressing section that presses the cut sheet toward the sheet accommodating section.