Patent ID: 7645639

Claim:
A method of packaging an integrated circuit having electrical contacts on a first surface and an inactive second surface opposite the first surface on a lead frame, the method comprising: providing a lead frame comprising a main member, an engagement portion comprising a recess within the main member for receiving an integrated circuit and a plurality of first and second engagement members depending from the main member, the engagement members being arranged to resiliently engage the integrated circuit, with the first engagement members contacting the first surface of the integrated circuit and the second engagement members contacting the second surface of the integrated circuit, total available contact area of the second engagement members exceeding total available contact area of the first engagement members; locating an integrated circuit at the engagement portion; and engaging the integrated circuit to the lead frame through resilient engagement with the engagement members by deforming the first engagement members to clip the integrated circuit into the engagement portion, where the first engagement members recover.