Patent ID: 7445688

Claim:
A pickup apparatus for detaching a work piece attached on an adhesive sheet from said adhesive sheet and transferring it, comprising: a suction member disposed below said adhesive sheet for sucking and holding said adhesive sheet, said suction member being movable up and down; push-up means for peeling said work piece partially from said adhesive sheet by pressing said work piece through said adhesive sheet without piercing through the adhesive sheet, the push-up means having a linear portion defined by two planar sides joined at an apex and configured to press a linear area of said work piece; and a suction collet having a plurality of suction holes and disposed above said work piece for sucking and holding said work piece, said suction collet being movable up and down, wherein under states where said suction member sucks to hold a lower surface of the adhesive sheet, where said work piece is pressed and partially peeled from said adhesive sheet by said push-up means, where said work piece is supported through the adhesive sheet by said push-up means without piercing through the adhesive sheet, where a line extending between the plurality of suction holes of said suction collet is aligned with and opposed to the linear portion of said push-up means in a suction direction, and where said suction collet and said work piece are spaced from each other, vacuum force is applied to said work piece to completely detach said work piece from said adhesive sheet only by vacuum force without sandwiching said work piece by said suction collet and said push-up means.