Patent ID: 8174096

Claim:
A method of producing a stamped leadframe for a leadless package having at least a die pad, a frame, tie bars connecting the die pad to the frame and a plurality of leads, the method comprising the steps of: clamping a first portion and a second portion of at least one lead between an upper die and a lower die, each die having a stepped portion and a raising edge of the stepped portion, the raising edge of the stepped portion of each die being perpendicular to a clamped surface of the lead, and a raising edge of the stepped portion of the upper die being aligned with and lying on a same vertical plane with a raising edge of the stepped portion of the lower die during the clamping step; and dislocating the second portion relative to the first portion by shearing the second portion relative to the first portion with the stepped portions of the upper and lower dies by a distance that is less than a thickness of the first portion, the dislocating being carried out such that the second portion is connected to, substantially parallel to and displaced relative to the first portion.