COMPOSITE CORE DIE, METHOD OF MANUFACTURING THEREOF AND ARTICLE MANUFACTURED THEREFROM

摘要

PROBLEM TO BE SOLVED: To provide a composite core die comprising a reusable core die; and a disposable core die.

SOLUTION: The disposable core die is in physical communication with the reusable core die; and further wherein surfaces of communication between the disposable core die and the reusable core die serve as barriers to prevent the leakage of a slurry that is disposed in the composite core die.

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