Composite core die and methods of manufacture thereof

摘要

Disclosed herein is a composite core die (100) comprising a reusable core die; and a disposable core die (10); wherein the disposable core die (10) is in physical communication with the reusable core die; and further wherein surfaces of communication between the disposable core die (10) and the reusable core die serve as barriers to prevent the leakage of a slurry that is disposed in the composite core die (100).