Patent ID: 7989951
Filing Date: 2011-08-02
Classification: H01L

Abstract:
1. A die assembly comprising: a flange having a first flange surface, a second flange surface opposed to the first flange surface, and flange sidewalls extending between the first flange surface and the second flange surface; lip walls having first lip surfaces, second lip surfaces opposed to the first lip surfaces, and lip sidewalls extending between the first lip surfaces and the second lip surfaces, wherein the lip sidewalls are positioned adjacent to the flange sidewalls; at least one die mounted over the first flange surface; and leads for electrical contact with the at least one die, wherein the leads have inboard end portions and outboard end portions, and the leads are configured to preserve a seating plane, the seating plane spaced apart from a plane of the second flange surface, wherein the inboard end portions of the leads are embedded in the lip walls, and the inboard end portions extend from the seating plane upward through the lip walls toward the first lip surfaces, and the outboard end portions are aligned substantially within the seating plane.