CIRCUIT BOARD AND METHOD FOR FABRICATING THE SAME

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Embodiments of the present disclosure are directed to a circuit board. The circuit board comprises : an aluminum-based substrate; an alumina layer formed on at least one surface of the aluminum-based substrate; and a circuit layer formed on the alumina layer. The alumina layer comprises alumina and an element selected from a group consisting of chromium, nickel, a rare earth metal, and a combination thereof.