Patent ID: 7632374

Claim:
A semiconductor chip pick-up method for picking up a semiconductor chip adhered to a sheet by using a pick-up head, comprising: a sheet exfoliating step for abutting a suction surface of a sheet exfoliation mechanism against a lower surface of the sheet and for performing vacuum-sucking through the suction surface thereby to exfoliate the sheet from the semiconductor chip; and a sucking and holding step of sucking and holding an upper surface of the semiconductor chip thus exfoliated from the sheet by the pick-up head thereby to pick up the semiconductor chip, wherein in the sheet exfoliating step, when the vacuum-sucking is performed through the suction surface, the semiconductor chip adhered to the sheet is bent and deformed by a vacuum suction force in an almost same bent shape in a continuous bent range from an outer peripheral portion of one side of the chip to an outer peripheral portion of another one side of the chip thereby to exfoliate the sheet from a lower surface of the semiconductor chip using due to the bend deformation only the vacuum suction force, wherein the semiconductor chip is configured in a rectangular shape, and the bent range is set in a direction which forms a predetermined angle with respect to one side of the semiconductor chip, wherein the bent range includes a corner portion of the semiconductor chip, wherein the predetermined angle is about 45 degrees; and wherein when the vacuum-sucking is performed, the sheet together with the semiconductor chip is bent toward a source of the vacuum suction from a flat plane in which the sheet is abutted against the suction surface of the exfoliation mechanism.