Patent ID: 7319266

Claim:
An electronic device package comprising: a support substrate including a flag, wherein the flag has a bonding surface; a first electronic chip having a first peripheral edge, wherein the first electronic chip is attached to a first portion of the bonding surface with a first die attach material; a first continuous trench for restricting flow of the first die attach material on the bonding surface, wherein the first continuous trench is formed in the flag in proximity to the first peripheral edge and extending only partially into the flag, wherein the first continuous trench includes a continuously rounded cross-sectional shape, a curved sidewall surface, and an inner edge substantially aligned to the first peripheral edge, and wherein the first continuous trench surrounds the first electronic chip, and wherein the first die attach material terminates at approximately the inner edge; and an encapsulant covering the first electronic chip and at least a portion of the curved sidewall surface.