Patent ID: 7476959

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 wherein the first continuous trench extends only partially into the flag, and wherein the first continuous trench includes a continuously rounded cross-sectional shape and a curved sidewall surface, and wherein the first continuous trench surrounds the first electronic chip, and wherein the first die attach material terminates at approximately an inner edge of the first continuous trench; and a shaped trench formed in the flag, wherein the first electronic chip overlies at least a portion of the shaped trench.